CN108725340A - Vehicle audio processing method and its system - Google Patents

Vehicle audio processing method and its system Download PDF

Info

Publication number
CN108725340A
CN108725340A CN201810295572.5A CN201810295572A CN108725340A CN 108725340 A CN108725340 A CN 108725340A CN 201810295572 A CN201810295572 A CN 201810295572A CN 108725340 A CN108725340 A CN 108725340A
Authority
CN
China
Prior art keywords
audio signal
radio equipment
module
working time
time axis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810295572.5A
Other languages
Chinese (zh)
Other versions
CN108725340B (en
Inventor
夏国庆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zebra Network Technology Co Ltd
Original Assignee
Zebra Network Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zebra Network Technology Co Ltd filed Critical Zebra Network Technology Co Ltd
Priority to CN201810295572.5A priority Critical patent/CN108725340B/en
Publication of CN108725340A publication Critical patent/CN108725340A/en
Application granted granted Critical
Publication of CN108725340B publication Critical patent/CN108725340B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
    • G10L2015/223—Execution procedure of a spoken command

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Abstract

The present invention provides a vehicle audio processing method and its systems, wherein the vehicle audio processing method includes the following steps：(a) according to one first audio signal for coming from same sound source for coming from different radio equipments, each first audio signal corresponding time is obtained；(b) it at least one of described time of each first audio signal and other differences, adjusts to a same time.

Description

Vehicle audio processing method and its system
Technical field
The present invention relates to vehicle audio fields, more particularly to a vehicle audio processing method and its system.
Background technology
Now, most of vehicle is equipped with a radio equipment, common radio equipment such as microphone.In addition, With the development of science and technology the on the one hand requirement for operation portability, on the other hand with the development of unmanned technology, vehicle Speech control system starts to occur, and user can directly control vehicle by sending out phonetic order, to user Directly vehicle need not be operated can control vehicle.For side, at the voice of vehicle audio system Reason require it is also higher and higher, the operating accuracy of the vehicle audio system and safety and the voice signal for receiving Processing capacity is closely related.
First, there is various sound in vehicle, in-vehicle device runs the sound sent out, the noise outside vehicle, vehicle The sound that interior amusement equipment play, the sound of passenger's talk, even passenger are making a phone call in vehicle, the sound that phone is sent out Sound, these can all be interfered.On the one hand it is located at the radio equipment of a fixed position because its position relationship can not be collected The smaller sound of the volume of the position distant apart from its, such as the passenger positioned at heel row wants to send out a phonetic order, so And the radio equipment is when being arranged on main driving forward position, it is described in the case where rear passenger makes a sound smaller Radio equipment possibly can not accurately identify the phonetic order of passenger.
Secondly, as the user in vehicle, such as passenger, when either driver makes a sound, vehicle is one relatively close The space closed, sound wave is by roundtrip in vehicle, and for the same audio signal that same sound source generates, the radio equipment can The different signal of intensity can be repeatedly received, also the radio reception effect of the radio equipment be caused to a certain extent dry It disturbs, especially in the case of the sound source more than one out of vehicle, audio signal that the radio equipment can be made to receive It is more complicated, finally influence the accuracy rate of the identification for phonetic order.The radio equipment is receiving relevant audio After signal, vehicle audio processing system needs handle these audio signals.If audio signal that treated is wrapped A phonetic order is included, then relevant equipment will be sent to execute the phonetic order.
Problem is following, the working time that each equipment in vehicle has its intrinsic during cooperating Axis, that is to say, that the radio equipment possesses a working time axis, and the processor for handling the audio signal possesses a job Time shaft, receive related voice instruction equipment possess a working time axis, these working time axis be not be consistent, and And as the accumulation of mutual time error may make time shaft very nearly the same at the beginning that a larger deviation occur. For example, when driver sends out a vehicle turning signal by a phonetic order, however because handle the phonetic order The working time axis of equipment is one minute more late than the time shaft of driver, that is to say, that may divide receiving phonetic order one Clock equipment for after-treatment just starts to execute this phonetic order.Obviously, such speech processes mode may give the life of driver Life safety causes great threat.
Invention content
The one of the present invention is designed to provide a vehicle audio processing method and its system, wherein the vehicle audio is handled System is capable of providing multiple radio equipments, to improve the accuracy rate of voice collecting.
Another object of the present invention is to provide a vehicle audio processing method and its systems, wherein at the vehicle audio Reason system can correct the working time axis of each equipment to ensure the validity and stability of whole system operation.
Another object of the present invention is to provide a vehicle audio processing method and its systems, wherein at the vehicle audio Reason system can be in such a way that the audio signal of the same sound source for receiving carries out timing processing for the sound that receives Frequency signal is handled.
Another object of the present invention is to provide a vehicle audio processing method and its systems, wherein at the vehicle audio Reason system can obtain the respective working time axis of the radio equipment of the audio signal for receiving same sound source, from And it is corrected.
Another object of the present invention is to provide a vehicle audio processing method and its systems, wherein at the vehicle audio Reason system can confirm a main radio equipment in the radio equipment according to an audio signal is received, and according to the master Other described radio equipments of the working time axial adjustment of radio equipment.
Another object of the present invention is to provide a vehicle audio processing method and its systems, wherein at the vehicle audio The audio signal and other described radio equipments that reason system can be collected into according to the main radio equipment are collected into each Audio signal cooperation is handled.
Another object of the present invention is to provide a vehicle audio processing method and its systems, wherein the vehicle audio system System can correct the working time axis between multiple radio equipments and an at least teller machines so as to cooperate with each other.
Another object of the present invention is to provide a vehicle audio processing method and its systems, wherein at the vehicle audio Reason system can confirm that a teller machines and a radio reception are set respectively according to the audio signal for receiving an audio signal and playing Standby working time axis.
Another object of the present invention is to provide a vehicle audio processing method and its systems, wherein at the vehicle audio Reason system can be handled the front and back audio signal of the same sound source received, to eliminate the influence of echo.
According to an aspect of the present invention, a vehicle audio processing method is provided, is included the following steps：
(a) according to one first audio signal for coming from same sound source for coming from different radio equipments, each institute is obtained State the first audio signal corresponding time；With
(b) it at least one of described time of each first audio signal and other differences, adjusts to a phase With the time to carry out subsequent processing.
An embodiment according to the present invention, the time are the time for receiving first audio signal.
An embodiment according to the present invention, the time are the time for the characteristic frequency for receiving first audio signal.
An embodiment according to the present invention, the step (a) include the following steps：
(a.1) include lap in first audio signal received for same radio equipment, based on described First audio signal noise reduction process is to generate one second audio signal；With
(a.2) it is based on second audio signal and obtains the corresponding time.
(a.1) embodiment according to the present invention, the step are implemented as：The institute received for same radio equipment It includes lap to state the first audio signal, and the lap is detached to generate one second sound based on first audio signal Frequency signal.
(a.1) embodiment according to the present invention, the step are implemented as：
First audio signal received for same radio equipment includes lap, is handled in an overlapping manner First audio signal is to generate one second audio signal.
An embodiment according to the present invention, further comprises a step (c), wherein the step (c) includes：
First audio signal, the one main radio equipment of confirmation and at least one received according to each radio equipment is auxiliary Help radio equipment；With
Based on adjust to first audio signal of the main radio equipment of same time a main speech instruction and It is described auxiliary radio equipment acquisition first audio signal an assistant voice instruction, according to the main speech instruction and Preferable one of sound quality is confirmed as an execution phonetic order in the assistant voice instruction, for controlling the vehicle.
An embodiment according to the present invention, further comprises a step (d), wherein the step (d) includes：
(d.1) one based on first audio signal plays phonetic order, and acquisition comes from the one the of a teller machines One public address audio signal；
(d.2) a working time axis information based on teller machines described in the first public address audio signal acquisition and described First audio signal obtains a working time axis information of the corresponding radio equipment, compares the work of the teller machines Whether time shaft and the working time axis of each radio equipment are consistent；And
(d.3) it if there is inconsistent, adjusts to an identical working time axis.
(d.2) embodiment according to the present invention, the step are implemented as：
Include lap in the first public address audio signal received for same radio equipment, to described first Public address audio signal generates one second public address audio signal by way of noise reduction process；
Include lap in first audio signal received for same radio equipment, to first audio Signal generates one second audio signal by way of noise reduction process；And
Second audio signal of the second public address audio signal and the radio equipment based on the radio equipment, is obtained Take a working time axis information of the teller machines.
An embodiment according to the present invention, further comprises step (e), wherein the step (e) includes the following steps：
Corresponding each institute is obtained according to one first audio signal for coming from same sound source that at least two radio equipments receive State a working time axis information of radio equipment；With
If at least one of described working time axis of each radio equipment and other differences, adjust to a phase With working time axis.
According to another aspect of the present invention, a vehicle audio processing system is provided, wherein the vehicle audio processing system System includes：
At least two radio equipments；With
One processing unit, wherein the processing unit and the radio equipment are mutually communicatively coupled, based on each One first audio signal for coming from same sound source that the radio equipment receives, the processing unit, which obtains, corresponds to each institute State the time of the first audio signal, and if at least one of described time of each first audio signal and other Difference is adjusted to a same time.
An embodiment according to the present invention, the processing unit include an acquisition module, a judgment module and an adjustment mould Block, wherein the acquisition module based on each first audio signal obtain corresponding to each first audio signal when Between, the judgment module judge at least one of described time of each first audio signal whether with other it is different with Obtain a judging result, the adjustment module is according to the judging result for the time of each first audio signal Handled the time consistency so that each first audio signal.
An embodiment according to the present invention further comprises a processing module, after the processing module is for each adjustment First audio signal carry out processing obtain an execution phonetic order.
An embodiment according to the present invention, the processing module include a confirmation module and a generation module, wherein described Confirmation module is auxiliary according to first audio signal, the one main radio equipment of confirmation of each radio equipment reception and at least one Radio equipment is helped, wherein a main speech of first audio signal that the generation module is acquired according to the main radio equipment The assistant voice instruction of first audio signal of instruction and the auxiliary radio equipment acquisition, according to the main speech Preferable one of sound quality is confirmed as an execution phonetic order in instruction and assistant voice instruction, for controlling the vehicle.
An embodiment according to the present invention, further comprises a noise reduction module, wherein the noise reduction module is by communicably It is connected to the radio equipment and the acquisition module, if first audio signal includes lap, the drop To the first audio signal noise reduction process to generate one second audio signal, the acquisition module is based on each described module of making an uproar Second audio signal obtains the time corresponding to each second audio signal, and the judgment module judges each described second Whether at least one of described time of audio signal different to obtain a judging result with other, the adjustment module according to The time of each second audio signal is handled the judging result so that each second audio letter Number the time consistency.
An embodiment according to the present invention, the processing unit include an acquisition module, a judgment module and an adjustment mould Block, wherein the acquisition module obtains the work corresponding to each radio equipment based on each first audio signal Timeline information, the judgment module judge at least one of described working time axis of each radio equipment whether and Other differences are to obtain a judging result, and the adjustment module is according to the judging result for the institute of each radio equipment Working time axis is stated to be handled so that the working time axis of each radio equipment is consistent.
An embodiment according to the present invention, the processing unit further comprise a processing module and teller machines adjustment Module, wherein the processing unit is communicatively connected in a network in the adjustment module, after the processing unit is based on being adjusted First audio signal of each radio equipment obtain a broadcasting phonetic order, the radio equipment reception comes from One first public address audio signal of one teller machines, the acquisition module are based on broadcasting described in the first public address audio signal acquisition One working time axis information of sound equipment and first audio signal obtain a working time axis of the corresponding radio equipment Information, the judgment module judge the work of the working time axis and each radio equipment of the teller machines Whether time shaft is consistent and obtains a judging result, and the teller machines adjustment module adjusts the receipts according to the judging result Sound equipment and the teller machines are to an identical working time axis.
An embodiment according to the present invention further comprises a processing module and teller machines adjustment module, wherein institute It states processing unit to be communicatively connected in a network in the adjustment module, when the processing unit is based on each described after being adjusted One audio signal show that a broadcasting phonetic order, the radio equipment receive one first public address audio for coming from a teller machines Signal, a working time axis information of the acquisition module based on teller machines described in the first public address audio signal acquisition and First audio signal obtains a working time axis information of the corresponding radio equipment, is broadcast described in the judgment module judgement Whether the working time axis of sound equipment is consistent with the working time axis of each radio equipment and obtains a judgement As a result, the teller machines adjustment module adjusts the radio equipment and the teller machines to a phase according to the judging result With working time axis.
An embodiment according to the present invention, further comprises a noise reduction module, wherein the noise reduction module is by communicably The teller machines and the acquisition module are connected to, if the first public address audio signal includes lap, institute It states noise reduction module and noise reduction process is carried out to the first public address audio signal and first audio signal respectively to generate one the Two public address audio signals and one second audio signal, the acquisition module are based on broadcasting described in the second public address audio signal acquisition One working time axis information of sound equipment and second audio signal obtain a working time axis of the corresponding radio equipment Information, the judgment module judge the work of the working time axis and each radio equipment of the teller machines Whether time shaft is consistent and obtains a judging result, and the teller machines adjustment module adjusts the receipts according to the judging result Sound equipment and the teller machines are to an identical working time axis.
An embodiment according to the present invention, further comprises an identification module, wherein the identification module is by communicably It is connected to the radio equipment, the identification module identifies whether one first audio signal that the radio equipment receives comes from It in same sound source and obtains a recognition result and the recognition result is sent to the acquisition module, the acquisition module obtains Come from the time of corresponding first audio signal of same sound source.
Description of the drawings
Fig. 1 is the application schematic diagram of a vehicle audio processing system according to a preferred embodiment of the present invention.
Fig. 2 is the block diagram representation of a vehicle audio processing system according to a preferred embodiment of the present invention.
Fig. 3 A are the schematic diagrames of a vehicle audio processing method according to a preferred embodiment of the present invention.
Fig. 3 B are the schematic diagrames of a vehicle audio processing method according to a preferred embodiment of the present invention.
Fig. 4 is the application schematic diagram of a vehicle audio processing system according to a preferred embodiment of the present invention.
Fig. 5 is the application schematic diagram of a vehicle audio processing system according to a preferred embodiment of the present invention.
Specific implementation mode
It is described below for disclosing the present invention so that those skilled in the art can realize the present invention.It is excellent in being described below Embodiment is selected to be only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.It defines in the following description The present invention basic principle can be applied to other embodiments, deformation scheme, improvement project, equivalent program and do not carry on the back Other technologies scheme from the spirit and scope of the present invention.
It will be understood by those skilled in the art that the present invention exposure in, term " longitudinal direction ", " transverse direction ", "upper", The orientation or position of the instructions such as "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, rather than Indicate or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore above-mentioned Term is not considered as limiting the invention.
It is understood that term " one " is interpreted as " at least one " or " one or more ", i.e., in one embodiment, The quantity of one element can be one, and in a further embodiment, the quantity of the element can be multiple, and term " one " is no It can be interpreted as the limitation to quantity.
It is a vehicle audio according to a preferred embodiment of the present invention with reference to the attached drawing 1 of the Figure of description of the present invention Processing system 100 is disclosed for and is elucidated in following description, wherein the vehicle audio processing system 100 is suitable for one Vehicle 200, in the driver or 200 passenger of the vehicle either vehicle 200 for receiving the vehicle 200 At least audio signal that one teller machines are sent out, and according to the working time of the corresponding each equipment of audio signal adjustment Axis, so that the phonetic order for executing the audio signal in subsequent implementation procedure is more efficient.
Further, the vehicle 200 includes a vehicle body 201, control flow 203 in an at least seat 202 and one, The wherein described seat 202 and the middle control flow 203 are arranged at the vehicle body 201, and 202 He of the seat respectively The middle control flow 203 is respectively positioned on the vehicle body 201, and the seat 202 allows user to take, such as user can be with The vehicle is taken by way of riding on the seat 202, the middle control flow 203 allows user to check and control The state of the vehicle 200.Compared with conventional truck speech processing system 100, the vehicle audio processing system of the invention 100 in the vehicle 200 by being arranged at least two radio equipments 10, with putting for the position as close possible to phonetic order sender It sets and receives the phonetic order, and then improve the identified efficiency of the phonetic order, accuracy rate and success rate.
With further reference to attached drawing 1, the quantity of the seat 202 of the vehicle can there are five, wherein the seat 202 It is defined as a driver seat 2021 in the vehicle audio processing system 100 of the present invention, an assistant driver seat 2022, one The first seat of heel row 2023 ranked third seat 2025, wherein the driver seat after ranked second seat 2024 and one after one 2021 and the assistant driver seat 2022 be located at the front of the vehicle body 201, the first seat of the heel row 2023, institute Ranked second after stating seat 2024 and it is described after ranked third seat 2025 by mutually adjacent be located at the vehicle body 201 after Row.One radio equipment 10 is arranged at 201 front of the vehicle body, and another radio equipment 10 is arranged at described 201 rear portion of vehicle body is conducive to improve at the vehicle audio by be set to different location two radio equipments 10 The recognition efficiency of reason system 100.Can also be that a radio equipment 10 is arranged at the middle control flow 203, it is another described Radio equipment 10 is arranged at the seat 202.It will be appreciated by persons skilled in the art that the setting of the radio equipment 10 The present invention is not caused to limit in position.
It is noted that the radio equipment 10 is rotatably connected at the vehicle body 201 or described The either middle control flow 203 of seat 202.The sitting posture of user, the court of the radio equipment 10 are obtained by a detection device To can be changed to obtain a preferable radio reception effect.
Such as attached drawing 3A, according to an aspect of the present invention, the present invention provides a vehicle audio processing methods, wherein the vehicle Method of speech processing includes the following steps：
(a) it according to one first audio signal for coming from same sound source for coming from different radio equipments 10, obtains each The first audio signal corresponding time；With
(b) it at least one of described time of each first audio signal and other differences, adjusts to a phase With the time to carry out subsequent processing.
The vehicle audio processing system 100 obtains come from same sound source one received according to the radio equipment 10 The time of audio signal, directly correction correspond to the time of each audio signal, for example, a radio equipment 10 receives The time from an audio signal of a sound source be 10 points, another radio equipment 10 receive the audio from same sound source The time of signal be 10 points 05 minute, by a detection device, can know to come from same sound source and reach two radio reception and set Standby 10 time theory time should be identical, that is to say, that two radio equipments 10 should receive within the same time The audio signal.The vehicle audio processing system 100 can be corrected it.If the vehicle audio processing system 100 are not corrected it, and in subsequent processing procedure, subsequent processing equipment may be according to 10 points of 05 minute this times It is handled, for user, may there is lagging feeling on user experience.
With further reference to attached drawing 1 and attached drawing 2, a better embodiment of the speech processing system provided by the invention exists It is expanded on further in following description, wherein the vehicle audio processing system 100 includes a collecting unit and a processing Unit 20, wherein the collecting unit and the processing unit 20 are mutually communicatively coupled, wherein the collecting unit obtains Either one audio signal of identification, the processing unit 20 are received with acquisition to be based on the audio signal and obtain the sound One time data of frequency signal, if the time data for coming from each audio signal of same sound source is not consistent, institute Processing unit 20 is stated to adjust the audio signal to unanimously carrying out subsequent processing step again.
Specifically, the collecting unit includes at least two radio equipments 10, wherein the radio equipment 10 is divided It is not set to the different location of the vehicle, can be that a radio equipment 10 is arranged at the middle control flow 203, an institute State radio equipment 10 and be arranged at the seat 202, when vehicle driver's Vehicular occupant either in vehicle its His teller machines send out an audio signal, and the acquisition for the audio signal is completed in the collaborative work of the radio equipment 10.Afterwards Continuous, the audio signal that each radio equipment 10 acquires can mutually be corrected by the processing unit 20, to provide The efficiency and accuracy rate for stating the audio signal of the processing of vehicle audio processing system 100, to provide the use of vehicle driver Experience and ensure the safety in driving conditions in family.
Further, the processing unit 20 includes an acquisition module 21, and a judgment module 22 and one adjusts module 23, Described in acquisition module 21 be communicatively connected in a network in the radio equipment 10, wherein the acquisition module 21 be based on it is each described First audio signal obtains the time corresponding to each first audio signal, and the judgment module 22 judges each described the Whether at least one of described time of one audio signal is different to obtain a judging result, the adjustment module 23 with other The time of each first audio signal is handled so that each first sound according to the judging result The time consistency of frequency signal.
In some examples of the present invention, the time is the time for receiving first audio signal.
For example, a radio equipment 10 receives an audio signal for coming from user, another location at 10 points The radio equipment 10 10: 01 tap receive an audio signal for coming from user, the identification module is for each institute It states the audio signal that radio equipment 10 receives to be identified, recognition result is that the audio signal comes from same use Family, the acquisition module 21 get the time that each radio equipment 10 receives the audio signal, are 10 points respectively With 10 points 01 minute, differ 1 minute, the judgment module 22 can may determine that user and each described by a detection device Position between radio equipment 10, if the distance between user and the two radio equipments 10 are equal, institute It states judgment module 22 and show that the working time axis of radio equipment 10 and the radio equipment 10 described in a judging result has differed one Minute.The adjustment module 23 is communicatively connected in a network in the judgment module 22 and the acquisition module 21, the adjustment mould Block 23 adjusts the time of each audio signal to the same time according to the judging result.
It is understood that the adjustment module 23 can adjust the time of each audio signal to an association Adjust universal time, the adjustment module 23 time of each audio signal can also be adjusted to each audio One in the time of signal is identical.Such as one in each audio signal has highest volume, it can be with The time of other audio signals was adjusted to the time of audio signal described in this.
In some examples of the present invention, the processing unit 20 further comprises an identification module 24, wherein the knowledge Other module 24 is communicatively connected in a network the audio letter in the radio equipment 10, received based on each radio equipment 10 Number, identify whether the audio signal comes from same sound source, the acquisition module 21 is connect based on each radio equipment 10 One audio signal of the same sound source received obtains the temporal information corresponding to each audio signal.
For example, a radio equipment 10 receives an audio signal for coming from user, another location it is described Radio equipment 10 receives an audio signal for coming from user, and the identification module 24 connects each radio equipment 10 The audio signal received is identified, and recognition result is that the audio signal comes from same user, the identification module The audio signal is identified in the information such as 24 formant, fundamental frequency, loudness of a sound, the duration of a sound based on the audio signal.
In some examples of the present invention, the time is the time for the characteristic frequency for receiving first audio signal.
Such as the characteristic resonances peak of the audio signal that a radio equipment 10 receives occurs at 10 points, it is another The characteristic resonances peak for the audio signal that the radio equipment 10 receives separates now 10: 01, and the judgment module 22 can May determine that the position between user and each radio equipment 10 by a detection device, if user and the two The distance between described radio equipment 10 is equal, then the judgment module 22 obtains two radio reception of a judging result 10 working time of equipment axis has differed one minute.The adjustment module 23 is communicatively connected in a network in two radio equipments 10, the working time axis of each radio equipment 10 can be corrected respectively to one identical by the adjustment module 23 Working time axis.The adjustment module 23 can also be only during handling the audio signal for each described The time numerical value that radio equipment 10 receives an audio signal is corrected, to facilitate subsequent processing procedure.
Further, refer to the attached drawing 2 and attached drawing 4, shown according to another embodiment of the present invention, the processing unit 20 wraps A noise reduction module 25 is included, wherein the noise reduction module 25 is communicatively connected in a network in the radio equipment 10, the noise reduction module 25 are communicatively connected in a network in the acquisition module 21, and the noise reduction module 25 is used to carry out a noise reduction for the audio signal Pretreatment carries out subsequent processing to facilitate to it.
Often exist in vehicle in the case of there are multiple passengers in many audio signals especially vehicle, for not The different audio signals that same sound source is sent out, can be distinguished by a characteristic resonances peak of each sound source, for same For one sound source, an audio signal is sent out in sometime internal resonance, for the radio equipment 10, is based on the vehicle Be a confined space, there are echo (may can't be received by human ear, but for the higher radio equipment of precision 10, Could be from the audio signal of the varying strength of same sound source), what the radio equipment 10 received in a certain period of time One audio signal itself may include the multiple stacking of a signal.The noise reduction module 25 can for the audio signal into One noise reduction process of row obtains the audio signal after a noise reduction, and the acquisition module 21 is based on by the audio letter after noise reduction process Number obtain a temporal information of the corresponding audio signal.
The noise reduction module 25 can be after being detached the lap of the audio signal to generate a noise reduction Audio signal.The noise reduction module 25 can be that alignment is superimposed to generate one after being detached for the lap of the audio signal Audio signal after noise reduction.For example, the radio equipment 10 receives an audio signal (a, b+a, c+b+a, c+b, c), lead to A preset processing means are crossed, it is found that original audio signal is that one (a, b, c) generates institute in different time sections by superposition twice State the audio signal that radio equipment 10 receives.The noise reduction module 25 is based on the lap for the audio signal Audio signal (a, b, c) after a noise reduction can be generated after separation.The noise reduction module 25 can also be for the audio signal Lap separation after alignment superposition to generate audio signal (3a, 3b, 3c) after a noise reduction, it is stronger so as to obtain one Audio signal.It will be appreciated by persons skilled in the art that a herein, b, c is only the abstract of the characteristic information of an audio signal Signal, there may be the losses of some characteristic informations for echo in real process.
Further, the vehicle audio processing system 100 includes a processing module 26, wherein the processing module 26 is pressed It is handled according to each audio signal after the time after adjustment to show that a handling result, processing mode can be that comparison is each The sound quality for the audio signal that a radio equipment 10 acquires selects one phonetic order of a preferable generation wherein, To control the vehicle.The processing module 26 can also be that each audio signal superposition after adjustment time is generated one Phonetic order, to control the vehicle.The processing module 26 can also be by each audio signal after adjustment time Difference set processing is to generate a phonetic order, to control the vehicle.
The processing module 26 is communicatively connected in a network in the adjustment module 23, with to being adjusted to same time shaft The audio signal for coming from the same sound source of the different radio equipments 10 is handled.Optionally, the audio signal It can be the audio signal after 25 noise reduction of the noise reduction module.The execution module is according to the processing module 26 The phonetic order generated carries out a relevant operation for the relevant device in vehicle.
Further, in some examples of the present invention, the processing module 26 is generated including a confirmation module 261 and one Module 262, wherein the confirmation module 261 confirms one according to first audio signal that each radio equipment 10 receives Main radio equipment 10 and at least one auxiliary radio equipment 10, wherein the generation module 262 is adopted according to the main radio equipment 10 The first audio letter that the main speech instruction of first audio signal of collection and the auxiliary radio equipment 10 acquire Number an assistant voice instruction, according to the main speech instruction and the assistant voice instruction in preferable one of sound quality be confirmed as One executes phonetic order, for controlling the vehicle.
Further, refer to the attached drawing 5 and with continued reference to attached drawing 2, the vehicle audio processing system 100 includes that a broadcast is set Standby adjustment module 27, wherein teller machines adjustment module 27 is communicatively connected in a network in the judgment module 22.It is described to broadcast Sound equipment adjustment module 27 is for adjusting the teller machines and the radio equipment 10 to same working time axis.
For example, an embodiment according to the present invention, each radio equipment 10, which receives, comes from same sound source An audio signal, the acquisition module 21 obtains the time letter of corresponding each audio signal based on the audio signal Breath, the judgment module 22 obtains a judging result according to the time of each audio signal, when the audio signal The time and other are different, the adjustment module 23 will adjust the time to same a period of time of each audio signal Between, the audio signal of the processing module 26 based on the same time show that a phonetic order, the phonetic order are " to play One song ", the teller machines that the execution module controls the vehicle execute the phonetic order.The teller machines can be with Be a loudspeaker either be sound equipment, when the teller machines send out an audio signal, each radio reception outwardly as a sound source Equipment 10 receives the public address audio signal for coming from the teller machines, and the judgment module 22 is based on the radio equipment What 10 first times received comes from the audio signal of user, is defined herein as the first audio signal, the radio equipment 10 come from the audio signal of the teller machines next receiving, and are defined herein as the first public address audio signal, The acquisition module 21 is based on first audio signal and the first public address audio signal obtains the radio equipment respectively A 10 working time axis and a working time axis of the teller machines.When the judgement of the judgment module 22 obtains the broadcast One working time axis of equipment and the working time axis of the radio equipment 10 simultaneously differ, and the teller machines adjust module 27 The working time axis of the radio equipment 10 and the working time axis of the teller machines 30 are adjusted to one identical Working time axis.
It is understood that the teller machines adjustment module 27 can be for multiple described based on above-mentioned adjustment mode One working time axis of teller machines 30 is adjusted, because for each described teller machines 30, its possible work Time shaft is different.
It is understood that the teller machines adjustment module 27 can be by the working time of the teller machines 30 Middle to adjust to consistent with the working time axis of the radio equipment 10, the mode of adjustment can adjust the broadcast simultaneously The working time axis of equipment 30 and the working time axis of the radio equipment 10 to an identical working time axis, such as It says the working time axis based on a Coordinated Universal Time(UTC), can also be in the adjustment teller machines 30 and the radio equipment 10 One so that it is identical with another the working time axis.
Such as attached drawing 3B, according to an aspect of the present invention, the present invention provides a vehicle audio processing methods, wherein the vehicle Method of speech processing includes the following steps：
(a) corresponding each radio equipment is obtained according to same first audio signal that at least two radio equipments 10 receive A 10 working time axis information；With
If (b) at least one of described working time axis of each radio equipment 10 and other different, adjustment To an identical working time axis.
The vehicle audio processing system 100 reaches mutually coordinated work by controlling the radio equipment 10 in itself Purpose.For example, each radio equipment 10 has the working time axis of its own, and each radio equipment 10 The working time axis might not be consistent, for the audio signal that same sound source is sent out, a radio equipment 10 is at it Working time axis is at 9 points and receives the audio signal, and countershaft is that 9: 01 taps receive to another radio equipment 10 while it is working The audio signal, since the working time axis between two radio equipments 10 is not consistent, in subsequent processing procedure In, can the radio equipment 10 delayed of up time axis influence whether entire treatment effeciency, held according to the audio signal The time of row command adapted thereto can accordingly be delayed.It is likely to occur the vehicle driver and sends out a phonetic order, after five minutes The vehicle just makes the case where feedback.The vehicle audio processing system 100 can be by adjusting 10 work of the radio equipment Make the mode of time shaft to reduce the generation of this phenomenon.
With further reference to attached drawing 1 and attached drawing 2, a better embodiment of the speech processing system provided by the invention exists It is expanded on further in following description, wherein the vehicle audio processing system 100 includes a collecting unit and a processing Unit 20, wherein the collecting unit and the processing unit 20 are mutually communicatively coupled, wherein the collecting unit obtains Either one audio signal of identification, the processing unit 20 are received with acquisition to be based on the audio signal and obtain corresponding one One working time axis of the radio equipment 10, it is described if the working time axis of each radio equipment 10 is not consistent Processing unit 20 will be corrected.
Specifically, the collecting unit includes at least two radio equipments 10, wherein the radio equipment 10 is divided It is not set to the different location of the vehicle, can be that a radio equipment 10 is arranged at the middle control flow 203, an institute State radio equipment 10 and be arranged at the seat 202, when vehicle driver's Vehicular occupant either in vehicle its His teller machines send out an audio signal, and the acquisition for the audio signal is completed in the collaborative work of the radio equipment 10.Afterwards Continuous, the audio signal that each radio equipment 10 acquires can mutually be corrected by the processing unit 20, to provide The efficiency and accuracy rate for stating the audio signal of the processing of vehicle audio processing system 100, to provide the use of vehicle driver Experience and ensure the safety in driving conditions in family.
Further, the processing unit 20 includes an acquisition module 21, and a judgment module 22 and one adjusts module 23, Described in acquisition module 21 be communicatively connected in a network in the radio equipment 10, come from the radio equipment 10 for obtaining One working time axis, the judgment module 22 are communicatively connected in a network in the acquisition module 21, and the judgment module 22 judges Whether at least one of described working time axis of each radio equipment 10 is different with other and obtains a judging result, The adjustment module 23 adjusts the working time axis of the radio equipment 10 to a same time according to the judging result Axis.
In some examples of the present invention, the processing unit 20 further comprises an identification module 24, wherein the knowledge Other module 24 is communicatively connected in a network the audio letter in the radio equipment 10, received based on each radio equipment 10 Number, identify whether the audio signal comes from same sound source, the acquisition module 21 is connect based on each radio equipment 10 One audio signal of the same sound source received obtains the working time axis corresponding to each radio equipment 10.
In one embodiment of this invention, the acquisition module 21 be arranged at received based on the radio equipment 10 it is same The time of one first audio signal obtains a working time axis of corresponding each radio equipment 10.
For example, a radio equipment 10 receives an audio signal for coming from user, another location at 10 points The radio equipment 10 10: 01 tap receive an audio signal for coming from user, the identification module 24 is for each The audio signal that the radio equipment 10 receives is identified, and recognition result is that the audio signal comes from same use Family, the acquisition module 21 get the time that each radio equipment 10 receives the audio signal, are 10 points respectively With 10 points 01 minute, differ 1 minute, the judgment module 22 can may determine that user and each described by a detection device Position between radio equipment 10, if the distance between user and the two radio equipments 10 are equal, institute It states judgment module 22 and show that the working time axis of two radio equipments 10 of a judging result has differed one minute.The adjustment Module 23 is communicatively connected in a network in each radio equipment 10, can be each to correct respectively by the adjustment module 23 The working time axis of the radio equipment 10 is to an identical working time axis.The adjustment module 23 can also be only Each radio equipment 10 is received during handling the audio signal time numerical value of an audio signal into Row correction, to facilitate subsequent processing procedure.
In some examples of the present invention, same first sound that the acquisition module 21 is received based on the radio equipment 10 The time of frequency signal obtains a working time axis of corresponding each radio equipment 10.
For example, a radio equipment 10 receives an audio signal for coming from user, another location it is described Radio equipment 10 receives an audio signal for coming from user, and the identification module 24 connects each radio equipment 10 The audio signal received is identified, and recognition result is that the audio signal comes from same user, the identification module The audio signal is identified in the information such as 24 formant, fundamental frequency, loudness of a sound, the duration of a sound based on the audio signal.
The acquisition module 21 gets the characteristic resonances that each radio equipment 10 receives the audio signal The time that peak occurs obtains a working time axis of the corresponding radio equipment 10.Such as what the radio equipment 10 received The characteristic resonances peak of the audio signal occurs at 10 points, and the feature for the audio signal that the radio equipment 10 receives is total The peak that shakes separates existing 10: 01, and the judgment module 22 can may determine that user and each receipts by a detection device Position between sound equipment 10, it is described if the distance between user and the two radio equipments 10 are equal Judgment module 22 show that the working time axis of two radio equipments 10 of a judging result has differed one minute.The adjustment mould Block 23 is communicatively connected in a network in each radio equipment 10, can correct each institute respectively by the adjustment module 23 Working time axis described in radio equipment 10 is stated to an identical working time axis.The adjustment module 23 can also be only to locate The time numerical value for receiving an audio signal of each radio equipment 10 is carried out during managing the audio signal Correction, to facilitate subsequent processing procedure.
Further, refer to the attached drawing 2 and attached drawing 4, shown according to another embodiment of the present invention, the processing unit 20 wraps A noise reduction module 25 is included, wherein the noise reduction module 25 is communicatively connected in a network in the radio equipment 10, the noise reduction module 25 are communicatively connected in a network in the acquisition module 21, and the noise reduction module 25 is used to carry out a noise reduction for the audio signal Pretreatment carries out subsequent processing to facilitate to it.
Often exist in vehicle in the case of there are multiple passengers in many audio signals especially vehicle, for not The different audio signals that same sound source is sent out, can be distinguished by a characteristic resonances peak of each sound source, for same For one sound source, an audio signal is sent out in sometime internal resonance, for the radio equipment 10, is based on the vehicle Be a confined space, there are echo (may can't be received by human ear, but for the higher radio equipment of precision 10, Could be from the audio signal of the varying strength of same sound source), what the radio equipment 10 received in a certain period of time One audio signal itself may include the multiple stacking of a signal.The noise reduction module 25 can for the audio signal into One noise reduction process of row obtains the audio signal after a noise reduction, and the acquisition module 21 is based on by the audio letter after noise reduction process Number obtain a working time axis of the corresponding radio equipment 10.
The noise reduction module 25 can be after being detached the lap of the audio signal to generate a noise reduction Audio signal.The noise reduction module 25 can be that alignment is superimposed to generate one after being detached for the lap of the audio signal Audio signal after noise reduction.For example, the radio equipment 10 receives an audio signal (a, b+a, c+b+a, c+b, c), lead to A preset processing means are crossed, it is found that original audio signal is that one (a, b, c) generates institute in different time sections by superposition twice State the audio signal that radio equipment 10 receives.The noise reduction module 25 is based on the lap for the audio signal It can also be for the audio signal that the noise reduction module of audio signal (a, b, c) after a noise reduction 25 can be generated after separation Alignment superposition is to generate audio signal (3a, 3b, 3c) after a noise reduction after lap separation, so as to obtain a stronger sound Frequency signal.It will be appreciated by persons skilled in the art that a herein, b, c is only that the abstract of the characteristic information of an audio signal is shown Meaning, there may be the losses of some characteristic informations for echo in real process.
Further, the vehicle audio processing system 100 includes a processing module 26, wherein the processing module 26 is pressed It is handled according to each audio signal positioned at same working time axis after adjustment to obtain a handling result, processing side Formula can be the sound quality for the audio signal that more each radio equipment 10 acquires, and select a preferable life wherein At a phonetic order, to control the vehicle.The processing module 26 can also be to acquire each radio equipment 10 Each audio signal is superimposed in same time shaft and generates a phonetic order, to control the vehicle.The processing module 26 Can also be that each audio signal for acquiring each radio equipment 10 is handled in same time shaft difference set to generate One phonetic order, to control the vehicle.
The processing module 26 is communicatively connected in a network in the adjustment module 23, with to being adjusted to same time shaft The audio signal for coming from the same sound source of the different radio equipments 10 is handled.Optionally, the audio signal It can be the audio signal after 25 noise reduction of the noise reduction module.The execution module is according to the processing module 26 The phonetic order generated carries out a relevant operation for the relevant device in vehicle.
Further, in some examples of the present invention, the processing module 26 is generated including a confirmation module 261 and one Module 262, wherein the confirmation module 261 confirms one according to first audio signal that each radio equipment 10 receives Main radio equipment 10 and at least one auxiliary radio equipment 10, wherein the generation module 262 is adopted according to the main radio equipment 10 The first audio letter that the main speech instruction of first audio signal of collection and the auxiliary radio equipment 10 acquire Number an assistant voice instruction, according to the main speech instruction and the assistant voice instruction in preferable one of sound quality be confirmed as One executes phonetic order, for controlling the vehicle.
The confirmation module 261 can be the sound of first audio signal received according to each radio equipment 10 It measures size and confirms a main radio equipment 10 and at least one auxiliary radio equipment 10.The confirmation module 261 confirms the main radio reception Equipment 10 and the foundation of the auxiliary radio equipment 10 can be：The volume of first audio signal, audio height, the back of the body The condition group of the size composition of scape sound.
The generation module 262 can be a master of first audio signal acquired according to the main radio equipment 10 One assistant voice of first audio signal that phonetic order and the auxiliary radio equipment 10 acquire instructs, described in superposition Main speech instructs and assistant voice instruction is to generate an execution phonetic order, for controlling the vehicle.The generation mould Block 262 can also be first audio signal acquired according to the main radio equipment 10 a main speech instruction and it is described auxiliary Help the assistant voice instruction for first audio signal that radio equipment 10 acquires, the instruction of the difference set processing main speech and The assistant voice instruction is to generate an execution phonetic order, for controlling the vehicle.The generation module 262 can also be According to the main speech instruction of first audio signal of the main radio equipment 10 acquisition and the auxiliary radio equipment 10 The assistant voice instruction of first audio signal of acquisition intercepts the preferable segment of the main speech instruction sound quality and institute Stating assistant voice instructs the preferable segment of sound quality to generate an execution phonetic order, for controlling the vehicle.
It is noted that the vehicle audio processing system 100 can not only carry out just each radio equipment 10 When so that each 10 matching coordinative of radio equipment work, the vehicle audio processing system 100 enable to the radio reception Equipment 10 and the work of 30 matching coordinative of an at least teller machines.
Further, refer to the attached drawing 5 and with continued reference to attached drawing 2, the vehicle audio processing system 100 includes that a broadcast is set Standby adjustment module 27, wherein teller machines adjustment module 27 is communicatively connected in a network in the judgment module 22.It is described to broadcast Sound equipment adjustment module 27 is for adjusting the teller machines 30 and the radio equipment 10 to same working time axis.
For example, an embodiment according to the present invention, each radio equipment 10, which receives, comes from same sound source An audio signal, the acquisition module 21 obtains a work of corresponding each radio equipment 10 based on the audio signal Make time shaft, the judgment module 22 obtains a judging result according to each working time axis, when in the radio equipment 10 At least one working time axis and other are different, the adjustment module 23 is by 10 corresponding institute of each radio equipment Working time axial adjustment is stated to an identical working time axis, the processing module 26 is based on the sound under identical working time axis Frequency signal show that a phonetic order, the phonetic order are " playing a song ", and the execution module controls the one of the vehicle Teller machines 30 execute the phonetic order.The teller machines 30 can be that a loudspeaker are either sound equipments, when the broadcast Equipment 30 sends out an audio signal outwardly as a sound source, and each radio equipment 10, which receives, comes from the teller machines A 30 public address audio signal, the judgment module 22 based on 10 first time of the radio equipment receive come from user's The audio signal, is defined herein as the first audio signal, and the radio equipment 10 comes from described broadcast in following receive The audio signal of sound equipment 30, is defined herein as the first public address audio signal, and the acquisition module 21 is based on described first Audio signal and the first public address audio signal obtain the working time axis of the radio equipment 10 respectively and the broadcast is set A standby 30 working time axis.When the judgment module 22 judges to obtain a working time axis of the teller machines 30 and described The working time axis of radio equipment 10 simultaneously differs, and the teller machines adjustment module 27 adjusts the described of the radio equipment 10 The working time axis of working time axis and the teller machines 30 is to an identical working time axis.
The judgment module 22 judges the teller machines 30 and the radio equipment 10 based on a preset determining program Whether not in same working time axis.Such as according to a preset program, packet is received in 10 first time of the radio equipment First audio signal for having contained phonetic order receives the institute for coming from the teller machines 30 to the radio equipment 10 The prefixed time interval for stating the first public address audio signal is 5 seconds, the radio equipment 10 obtained according to the acquisition module 21 With each working time axis confidence of the teller machines 30, it is found that 10 first time of the radio equipment receives and contain language First audio signal of sound instruction is received to the radio equipment 10 comes from described the first of the teller machines 30 The real time interval of public address audio signal is 15 seconds, it is clear that is occurred between the radio equipment 10 and the teller machines 30 10 seconds time deviations, it may be possible to which the working time axis of the radio equipment 10 was earlier than teller machines 3010 seconds, it is also possible to It is that the working time axis of the radio equipment 10 is later than the teller machines 3010 seconds.The adjustment module 23 sets the radio reception Standby 10 and the teller machines 30 working time axial adjustment to a same time axis so that 10 first time of the radio equipment connects It receives and contains first audio signal of phonetic order and received to the radio equipment 10 and come from the teller machines The real time interval of 30 the first public address audio signal is 5 seconds.
It is understood that in some embodiments of the invention, it can be according to the audio signal first by the radio reception Equipment 10 is adjusted to an identical working time axis, then the teller machines 30 and the radio equipment 10 are adjusted to an identical work Make time shaft.It, can be according to each first audio signal and first broadcast in other embodiments of the present invention Audio signal directly adjusts the radio equipment 10 and the teller machines 30 to an identical working time axis.The noise reduction mould Block 25 can for first audio signal carry out a noise reduction process to obtain first audio signal after a noise reduction, This is defined as one second audio signal.
The noise reduction module 25 can similarly carry out the first public address audio signal one noise reduction process to obtain One second public address audio signal, second audio signal of the acquisition module 21 based on the radio equipment 10 and described broadcasts Second public address audio signal of sound equipment 30 obtains the radio equipment 10 respectively and the teller machines 30 corresponding one work Timeline information, the adjustment module 23 is according to the working time axis information by the radio equipment 10 and the teller machines 30 adjust to same working time axis.
According to another aspect of the present invention, a vehicle audio processing method is provided, is included the following steps：
(a) it is obtained according to one first audio signal for coming from same sound source that at least two radio equipments 10 receive corresponding every One working time axis information of one radio equipment 10；With
If (b) at least one of described working time axis of each radio equipment 10 and other different, adjustment To an identical working time axis.
In a specific example of the vehicle audio processing system 100 of the present invention, the step (b) is implemented as：
If at least one of described working time axis of each radio equipment 10 and a synthesis axis Difference is adjusted to the synthesis axis.
In a specific example of the vehicle audio processing system 100 of the present invention, the step (b) is implemented as：
The main radio equipment 10 in the radio equipment 10 is confirmed according to the volume of the audio signal；With
If at least one of described working time axis of other each radio equipments 10 and the main radio reception are set The standby 10 working time axis is inconsistent, adjusts to consistent with the working time axis of the main radio equipment 10.
In a specific example of the vehicle audio processing system 100 of the present invention, the step (a) is implemented as： The receiving time of same first audio signal received according at least two radio equipments 10 obtains corresponding each radio equipment A 10 working time axis information.
In a specific example of the vehicle audio processing system 100 of the present invention, the step (a) is implemented as： The characteristic frequency time of same first audio signal received according at least two radio equipments 10, which obtains, corresponds to each receipts One working time axis information of sound equipment 10.
In a specific example of the vehicle audio processing system 100 of the present invention, the step (a) is further wrapped It includes：
(a.1) at least two radio equipments 10 have received one first audio signal respectively；With
(a.2) first audio signal received in each radio equipment 10 comes from same sound source, obtains and corresponds to One working time axis information of each radio equipment 10.
In a specific example of the vehicle audio processing system 100 of the present invention, (a.2) step includes：
In first audio signal that each radio equipment 10 receives from same sound source and for same First audio signal that radio equipment 10 receives includes lap, is detached based on first audio signal described heavy Folded part is to generate one second audio signal；With
The working time axis information corresponding to each radio equipment 10 is obtained based on second audio signal.
In a specific example of the vehicle audio processing system 100 of the present invention, (a.2) step includes：
In first audio signal that each radio equipment 10 receives from same sound source and for same First audio signal that radio equipment 10 receives includes lap, is detached based on first audio signal described heavy Folded part and again overlap-add procedure are to generate one second audio signal；With
The working time axis information corresponding to each radio equipment 10 is obtained based on second audio signal.
In a specific example of the vehicle audio processing system 100 of the present invention, the step (a) includes following step Suddenly：
(a.1) at least two radio equipments 10 have received one first audio signal respectively；
(a.2) include lap in first audio signal received for same radio equipment 10, be based on institute It states the first audio signal noise reduction and generates one second audio signal；And
(a.3) same sound source is come from second audio signal of each radio equipment of correspondence 10, obtains and corresponds to In a working time axis information of each radio equipment 10.
In a specific example of the vehicle audio processing system 100 of the present invention, (a.2) step is carried out For：
Include lap in first audio signal received for same radio equipment 10, is based on described first The audio signal separation lap and again overlap-add procedure are to generate one second audio signal.In the vehicle of the present invention In one specific example of speech processing system 100, (a.2) step is implemented as：
Include lap in first audio signal received for same radio equipment 10, is based on described first The audio signal separation lap and again overlap-add procedure are to generate one second audio signal.
In a specific example of the vehicle audio processing system 100 of the present invention, (a.3) step is carried out For：
Same sound source is come from second audio signal of each radio equipment of correspondence 10, based on the different receipts When the characteristic frequency time of second audio signal of sound equipment 10 obtains a job of corresponding each radio equipment 10 Between axis information.
In a specific example of the vehicle audio processing system 100 of the present invention, (a.3) step is carried out For：
Same sound source is come from second audio signal of each radio equipment of correspondence 10, based on the different receipts The receiving time of second audio signal of sound equipment 10 obtains the working time corresponding to each radio equipment 10 Axis information.
In a specific example of the vehicle audio processing system 100 of the present invention, further comprise a step (c), The wherein described step (c) includes：
According to first audio signal, the one main radio equipment 10 of confirmation of each radio equipment 10 reception and at least One auxiliary radio equipment 10；With
It is received according to the main speech instruction of first audio signal of the main radio equipment 10 acquisition and the auxiliary The assistant voice instruction for first audio signal that sound equipment 10 acquires, according to main speech instruction and the auxiliary Preferable one of sound quality is confirmed as an execution phonetic order in phonetic order, for controlling the vehicle.The step (c) is located at After the step (b).
Described in confirming in a specific example of the vehicle audio processing system 100 of the present invention, in the step (c) Main radio equipment 10 and it is described auxiliary radio equipment 10 foundation be：The volume of first audio signal, audio height, The condition group of the size composition of background sound.
In a specific example of the vehicle audio processing system 100 of the present invention, further comprise a step (c), The wherein described step (c) includes：
The volume of first audio signal received according to each radio equipment 10 confirms that a main radio reception is set Standby 10 and at least one assist radio equipment 10；With
It is received according to the main speech instruction of first audio signal of the main radio equipment 10 acquisition and the auxiliary The assistant voice instruction for first audio signal that sound equipment 10 acquires, is superimposed the main speech instruction and the auxiliary Phonetic order is to generate an execution phonetic order, for controlling the vehicle.
In a specific example of the vehicle audio processing system 100 of the present invention, further comprise a step (c), The wherein described step (c) includes：
The volume of first audio signal received according to each radio equipment 10 confirms that a main radio reception is set Standby 10 and at least one assist radio equipment 10；With
It is received according to the main speech instruction of first audio signal of the main radio equipment 10 acquisition and the auxiliary The assistant voice instruction for first audio signal that sound equipment 10 acquires, difference set processing main speech instruction and described Assistant voice is instructed to generate an execution phonetic order, for controlling the vehicle.
In a specific example of the vehicle audio processing system 100 of the present invention, further comprise a step (c), The wherein described step (c) includes：
The volume of first audio signal received according to each radio equipment 10 confirms that a main radio reception is set Standby 10 and at least one assist radio equipment 10；With
It is received according to the main speech instruction of first audio signal of the main radio equipment 10 acquisition and the auxiliary It is preferable to intercept the main speech instruction sound quality for the assistant voice instruction for first audio signal that sound equipment 10 acquires Segment and the assistant voice instruct the preferable segment of sound quality to generate an execution phonetic order, for controlling the vehicle.
In a specific example of the vehicle audio processing system 100 of the present invention, further comprise a step (d), The wherein described step (d) includes：
(d.1) a broadcast phonetic order of first audio signal that the radio equipment 10 acquires one is sent to broadcast Sound equipment 30；
(d.2) the one first public address audio letter for coming from the teller machines 30 is received based on the radio equipment 10 Number and the radio equipment 10 receive first audio signal, obtain the teller machines 30 a working time axis letter Breath；And
(d.3) if the working time axis of the working time axis of the teller machines 30 and the radio equipment 10 not It is identical, it adjusts to identical, wherein the step (d) is located at after the step (b).
In a specific example of the vehicle audio processing system 100 of the present invention, (d.2) step is carried out For：
Include lap in the first public address audio signal received for same teller machines 30, based on described First public address audio signal de-noising generates one second public address audio signal；
Include lap in first audio signal received for same radio equipment 10, is based on described first Audio signal noise reduction generates one second audio signal；And
Second audio of the second public address audio signal and the radio equipment 10 based on the teller machines 30 is believed Number, obtain a working time axis information of the teller machines 30.
According to another aspect of the present invention, a vehicle audio processing method is provided, is included the following steps：
(a) it according to one first audio signal for coming from same sound source for coming from different radio equipments 10, obtains each The first audio signal corresponding time；With
(b) it at least one of described time of each first audio signal and other differences, adjusts to a phase With the time to carry out subsequent processing.
In a specific example of the vehicle audio processing system 100 of the present invention, the time is to receive described the The time of one audio signal.
In a specific example of the vehicle audio processing system 100 of the present invention, the time is to receive described the The time of the characteristic frequency of one audio signal.
In a specific example of the vehicle audio processing system 100 of the present invention, the step (a) includes following step Suddenly：
(a.1) include lap in first audio signal received for same radio equipment 10, be based on institute The first audio signal noise reduction process is stated to generate one second audio signal；With
(a.2) it is based on second audio signal and obtains the corresponding time.
In a specific example of the vehicle audio processing system 100 of the present invention, (a.1) step is carried out For：First audio signal received for same radio equipment 10 includes lap, is believed based on first audio Number separation lap is to generate one second audio signal.
In a specific example of the vehicle audio processing system 100 of the present invention, (a.1) step is carried out For：
First audio signal received for same radio equipment 10 includes lap, is located in an overlapping manner First audio signal is managed to generate one second audio signal.
In a specific example of the vehicle audio processing system 100 of the present invention, further comprise a step (c), The wherein described step (c) includes：
According to first audio signal, the one main radio equipment 10 of confirmation of each radio equipment 10 reception and at least One auxiliary radio equipment 10；With
Based on adjust to first audio signal of the radio equipment 10 of same time a main speech instruction and The assistant voice instruction for first audio signal that the auxiliary radio equipment 10 acquires, instructs according to the main speech Preferable one of sound quality is confirmed as an execution phonetic order in being instructed with the assistant voice, for controlling the vehicle.
In a specific example of the vehicle audio processing system 100 of the present invention, further comprise a step (d), The wherein described step (d) includes：
(d.1) one based on first audio signal plays phonetic order, and acquisition comes from the one of a teller machines 30 First public address audio signal；
(d.2) the working time axis information based on teller machines 30 described in the first public address audio signal acquisition and institute The working time axis information that the first audio signal obtains the corresponding radio equipment 10 is stated, the institute of the teller machines 30 is compared It states working time axis and whether the working time axis of each radio equipment 10 is consistent；And
(d.3) it if there is inconsistent, adjusts to an identical working time axis.
In a specific example of the vehicle audio processing system 100 of the present invention, (d.2) step is carried out For：
Include lap in the first public address audio signal received for same radio equipment 10, to described One public address audio signal generates one second public address audio signal by way of noise reduction process；
Include lap in first audio signal received for same radio equipment 10, to first sound Frequency signal generates one second audio signal by way of noise reduction process；And
Second audio of the second public address audio signal and the radio equipment 10 based on the radio equipment 10 is believed Number, obtain a working time axis information of the teller machines 30.
In a specific example of the vehicle audio processing system 100 of the present invention, further comprise step (e), Described in step (e) include the following steps：
It is each that correspondence is obtained according to one first audio signal for coming from same sound source that at least two radio equipments 10 receive One working time axis information of the radio equipment 10；With
If at least one of described working time axis of each radio equipment 10 and other differences, adjust to one Identical working time axis.
It should be understood by those skilled in the art that the embodiment of the present invention shown in foregoing description and attached drawing is only used as illustrating And it is not intended to limit the present invention.The purpose of the present invention has been fully and effectively achieved.The function and structural principle of the present invention exists It shows and illustrates in embodiment, under without departing from the principle, embodiments of the present invention can have any deformation or modification.

Claims (20)

1. a vehicle audio processing method, which is characterized in that include the following steps：
(a) according to one first audio signals for coming from same sound source of different radio equipments is come from, each described the is obtained The one audio signal corresponding time；With
(b) at least one of described time of each first audio signal and other are different, adjust to one it is identical when Between.
2. vehicle audio processing method according to claim 1, wherein the time is to receive first audio signal Time.
3. vehicle audio processing method according to claim 1, wherein the time is to receive first audio signal Characteristic frequency time.
4. vehicle audio processing method according to claim 1, wherein the step (a) includes the following steps：
(a.1) include lap in first audio signal received for same radio equipment, be based on described first Audio signal noise reduction process is to generate one second audio signal；With
(a.2) it is based on second audio signal and obtains the corresponding time.
5. vehicle audio processing method according to claim 4, wherein (a.1) step is implemented as：For same First audio signal that radio equipment receives includes lap, and the overlapping is detached based on first audio signal Part is to generate one second audio signal.
6. vehicle audio processing method according to claim 4, wherein (a.1) step is implemented as：
First audio signal received for same radio equipment includes lap, in an overlapping manner described in processing First audio signal is to generate one second audio signal.
7. vehicle audio processing method according to claim 1, further comprises a step (c), wherein the step (c) Including：
First audio signal received according to each radio equipment confirms that a main radio equipment and at least one auxiliary are received Sound equipment；With
It is instructed based on the main speech adjusted to first audio signal of the main radio equipment of same time and described The assistant voice instruction for assisting first audio signal of radio equipment acquisition, instructs and described according to the main speech Preferable one of sound quality is confirmed as an execution phonetic order in assistant voice instruction, for controlling the vehicle.
8. vehicle audio processing method according to claim 1, further comprises a step (d), wherein the step (d) Including：
(d.1) the broadcast phonetic order based on first audio signal, acquisition come from the one first of a teller machines and broadcast Sound audio signal；
(d.2) the working time axis information and described first based on teller machines described in the first public address audio signal acquisition Audio signal obtains a working time axis information of the corresponding radio equipment, compares the working time of the teller machines Whether axis and the working time axis of each radio equipment are consistent；And
(d.3) it if there is inconsistent, adjusts to an identical working time axis.
9. vehicle audio processing method according to claim 8, wherein (d.2) step is implemented as：
Include lap in the first public address audio signal received for same radio equipment, to first broadcast Audio signal generates one second public address audio signal by way of noise reduction process；
Include lap in first audio signal received for same radio equipment, to first audio signal One second audio signal is generated by way of noise reduction process；And
Second audio signal of the second public address audio signal and the radio equipment based on the radio equipment obtains institute State a working time axis information of teller machines.
10. vehicle audio processing method according to claim 1, further comprises step (e), wherein the step (e) Include the following steps：
Corresponding each receipts are obtained according to one first audio signal for coming from same sound source that at least two radio equipments receive One working time axis information of sound equipment；With
If at least one of described working time axis of each radio equipment and other differences, adjust to an identical work Make time shaft.
11. a vehicle audio processing system, which is characterized in that including：
At least two radio equipments；With
One processing unit, wherein the processing unit and the radio equipment are mutually communicatively coupled, based on each described One first audio signal for coming from same sound source that radio equipment receives, the processing unit, which obtains, corresponds to each described the The time of one audio signal, and if at least one of described time of each first audio signal and other not Together, it adjusts to a same time.
12. vehicle audio processing system according to claim 11, wherein the processing unit includes an acquisition module, one Judgment module and an adjustment module, obtain wherein the acquisition module is based on each first audio signal corresponding to each institute The time of the first audio signal is stated, the judgment module judges at least one in the time of each first audio signal Whether a different to obtain a judging result with other, the adjustment module is according to the judging result for each described first The time of audio signal is handled the time consistency so that each first audio signal.
13. vehicle audio processing system according to claim 12, further comprises a processing module, wherein the processing Module carries out processing for first audio signal after each adjustment and obtains an execution phonetic order.
14. vehicle audio processing system according to claim 13, wherein the processing module include a confirmation module and One generation module, wherein the confirmation module confirms a master according to first audio signal that each radio equipment receives Radio equipment and at least one auxiliary radio equipment, wherein the generation module is according to described the first of the main radio equipment acquisition One assistant voice of first audio signal of the main speech instruction of audio signal and the auxiliary radio equipment acquisition Instruction is confirmed as an execution voice according to preferable one of sound quality in main speech instruction and assistant voice instruction and is referred to It enables, for controlling the vehicle.
15. vehicle audio processing system according to claim 12, further comprises a noise reduction module, wherein the noise reduction Module is communicably connected to the radio equipment and the acquisition module, if first audio signal includes weight Folded part, the noise reduction module is to the first audio signal noise reduction process to generate one second audio signal, the acquisition mould Block obtains the time corresponding to each second audio signal based on each second audio signal, and the judgment module is sentenced Whether at least one of described time for each second audio signal of breaking is different to obtain a judging result, institute with other Adjustment module is stated to handle so that each the time of each second audio signal according to the judging result The time consistency of second audio signal.
16. vehicle audio processing system according to claim 11, wherein the processing unit includes an acquisition module, one Judgment module and an adjustment module, obtain wherein the acquisition module is based on each first audio signal corresponding to each institute A working time axis information of radio equipment is stated, the judgment module judges the working time axis of each radio equipment At least one of whether with other difference to obtain a judging result, the adjustment module is according to the judging result for each The working time axis of a radio equipment is handled the working time axis one so that each radio equipment It causes.
17. vehicle audio processing system according to claim 16, wherein the processing unit further comprises a processing Module and a teller machines adjust module, wherein the processing unit is communicatively connected in a network in the adjustment module, when described First audio signal of the processing unit based on each radio equipment after being adjusted obtains a broadcast phonetic order, institute It states radio equipment and receives the one first public address audio signal for coming from a teller machines, the acquisition module is broadcast based on described first Sound audio signal obtains a working time axis information of the teller machines and first audio signal obtains the corresponding receipts One working time axis information of sound equipment, the judgment module judge the working time axis of the teller machines and each institute Whether the working time axis for stating radio equipment is consistent and obtain a judging result, and the teller machines adjust module according to institute It states judging result and adjusts the radio equipment and the teller machines to an identical working time axis.
18. vehicle audio processing system according to claim 12, further comprises a processing module and a teller machines Module is adjusted, wherein the processing unit is communicatively connected in a network in the adjustment module, when the processing unit is based on being adjusted Each first audio signal after whole show that a broadcast phonetic order, the radio equipment reception come from a teller machines One first public address audio signal, the acquisition module based on teller machines described in the first public address audio signal acquisition one Working time axis information and first audio signal obtain a working time axis information of the corresponding radio equipment, described to sentence Disconnected module judge the teller machines the working time axis and each radio equipment the working time axis whether Unanimously and show that a judging result, the teller machines adjustment module adjust the radio equipment and institute according to the judging result Teller machines are stated to an identical working time axis.
19. vehicle audio processing system according to claim 18, further comprises a noise reduction module, wherein the noise reduction Module is communicably connected to the teller machines and the acquisition module, if the first public address audio signal packet Lap is included, the noise reduction module respectively carries out at noise reduction the first public address audio signal and first audio signal Reason to generate one second public address audio signal and one second audio signal, based on second public address audio believed by the acquisition module It number obtains a working time axis information of the teller machines and second audio signal obtains the corresponding radio equipment One working time axis information, the judgment module judge that the working time axis of the teller machines and each radio reception are set Whether the standby working time axis is consistent and obtains a judging result, and the teller machines adjustment module is tied according to the judgement Fruit adjusts the radio equipment and the teller machines to an identical working time axis.
20. vehicle audio processing system according to claim 12, further comprises an identification module, wherein the identification Module is communicatively connected in a network in the radio equipment, and the identification module identifies one first sound that the radio equipment receives Whether frequency signal comes from same sound source and obtains a recognition result and the recognition result is sent to the acquisition module, institute State the time that acquisition module obtains corresponding first audio signal for coming from same sound source.
CN201810295572.5A 2018-03-30 2018-03-30 Vehicle voice processing method and system Active CN108725340B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810295572.5A CN108725340B (en) 2018-03-30 2018-03-30 Vehicle voice processing method and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810295572.5A CN108725340B (en) 2018-03-30 2018-03-30 Vehicle voice processing method and system

Publications (2)

Publication Number Publication Date
CN108725340A true CN108725340A (en) 2018-11-02
CN108725340B CN108725340B (en) 2022-04-12

Family

ID=63941207

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810295572.5A Active CN108725340B (en) 2018-03-30 2018-03-30 Vehicle voice processing method and system

Country Status (1)

Country Link
CN (1) CN108725340B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111128212A (en) * 2019-12-09 2020-05-08 秒针信息技术有限公司 Mixed voice separation method and device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103050116A (en) * 2012-12-25 2013-04-17 安徽科大讯飞信息科技股份有限公司 Voice command identification method and system
CN105989846A (en) * 2015-06-12 2016-10-05 乐视致新电子科技（天津）有限公司 Multi-channel speech signal synchronization method and device
CN106023984A (en) * 2016-04-28 2016-10-12 成都之达科技有限公司 Speech recognition method based on car networking
KR20170120365A (en) * 2016-04-21 2017-10-31 현대자동차주식회사 Voice recognition apparatus, vehicle having the same and control method for the vehicle
JP2018031918A (en) * 2016-08-25 2018-03-01 株式会社デンソー Interactive control device for vehicle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103050116A (en) * 2012-12-25 2013-04-17 安徽科大讯飞信息科技股份有限公司 Voice command identification method and system
CN105989846A (en) * 2015-06-12 2016-10-05 乐视致新电子科技（天津）有限公司 Multi-channel speech signal synchronization method and device
KR20170120365A (en) * 2016-04-21 2017-10-31 현대자동차주식회사 Voice recognition apparatus, vehicle having the same and control method for the vehicle
CN106023984A (en) * 2016-04-28 2016-10-12 成都之达科技有限公司 Speech recognition method based on car networking
JP2018031918A (en) * 2016-08-25 2018-03-01 株式会社デンソー Interactive control device for vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111128212A (en) * 2019-12-09 2020-05-08 秒针信息技术有限公司 Mixed voice separation method and device

Also Published As

Publication number Publication date
CN108725340B (en) 2022-04-12

Similar Documents

Publication Publication Date Title
CN110072172B (en) Audio signal output method and system, electronic equipment and readable medium
US8010359B2 (en) Speech recognition system, speech recognition method and storage medium
WO2017101067A1 (en) Ambient sound processing method and device
CN110166879B (en) Voice acquisition control method and device and TWS earphone
CA2717992C (en) Speech understanding method and system
CN113345433B (en) Voice interaction system outside vehicle
CN110070868A (en) Voice interactive method, device, automobile and the machine readable media of onboard system
CN103761462A (en) Method for personalizing driving information by identifying vocal print
EP1662841A2 (en) Acoustic system with automatic change-over
US6963760B2 (en) Method and apparatus for generating DTMF tones using voice-recognition commands during hands-free communication in a vehicle
EP3661797B1 (en) Method, device, mobile user apparatus and computer program for controlling an audio system of a vehicle
CN105955459A (en) Method for controlling vehicle electronic device, and device
JP2009010883A (en) In-vehicle device with radio wave transmission regulating function, and radio wave transmission regulating system
CN108725340A (en) Vehicle audio processing method and its system
CN107264447A (en) Voice identification control method, system and device in vehicle
CN110865788B (en) Vehicle communication system and method of operating a vehicle communication system
US20110301954A1 (en) Method for adjusting a voice recognition system comprising a speaker and a microphone, and voice recognition system
JP2017068359A (en) Interactive device and interaction control method
EP2582058B1 (en) Interference mitigating method
DE102013002963A1 (en) Control using temporally and / or spectrally compact audio commands
DE102017213252A1 (en) A method, apparatus and computer program for varying an audio content to be output in a vehicle
KR102316653B1 (en) Method and apparatus for controlling volume of audio for vehicle
JP4478146B2 (en) Speech recognition system, speech recognition method and program thereof
CN111002878A (en) Vehicle and vehicle seat adjusting method
JP2007043356A (en) Device and method for automatic sound volume control

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant