CN103888610A - Method for achieving telephone conversation and sound recording simultaneously and communication terminal - Google Patents
Method for achieving telephone conversation and sound recording simultaneously and communication terminal Download PDFInfo
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Abstract
The invention discloses a method for achieving telephone conversation and sound recording simultaneously and a communication terminal. The method comprises the steps that in the telephone conversation and the sound recording process, sound signals are collected; sound recorded signals are separated from the sound signals; the sound recorded signals are transmitted to a sound recording unit. In this way, sounds generated by users in the telephone conversation process are filtered away from the sound signals, the pure sound recorded signals are obtained, the recorded sounds have no telephone conversation content of the users, interferences caused by telephone conversation with sound recording are avoided, and the requirement of the users for achieving telephone conversation and sound recording simultaneously is met. When the users are on a call in the sound recording process, sound recording is shifted into the background to proceed; or in the telephone conversation process, sound recording can be started, so that telephone conversation and sound recording can be conducted simultaneously, and user experience is improved.
Description
Technical field
The present invention relates to communication technical field, especially relate to a kind of method of simultaneously conversing and record and communicating terminal.
Background technology
In prior art, communicating terminal is in the time recording, if suddenly sent a telegram here, in the time that connecting incoming call is conversed, because prior art cannot be carried out the multiplexing of microphone, therefore communicating terminal can suspend current recording and preserve, and is switched to call path and converses.If user wants to record incessantly, have no other way except adopting offline mode not receive incoming call.But user had both wanted to keep Recording Process sometimes, do not want to miss again incoming call, wish that call and recording can carry out simultaneously, do not interfere with each other, and existing communicating terminal there is no method and meets the demand of user, thereby affected user's experience.
Summary of the invention
Main purpose of the present invention is to provide a kind of method of simultaneously conversing and record and communicating terminal, is intended to meet the demand that user converses simultaneously and records, and promotes user and experiences.
To achieve these objectives, the present invention proposes a kind of method of conversing simultaneously and recording, and comprises step:
In call and Recording Process, collected sound signal;
From described voice signal, isolate recorded audio signals;
Send described recorded audio signals to recording unit.
Preferably, the described recorded audio signals of isolating from voice signal comprises:
Described voice signal is carried out to noise reduction process, using voice signal after treatment as conversation signal;
Conversation signal described in filtering from described voice signal, using filtering the voice signal of conversation signal as recorded audio signals.
Preferably, describedly voice signal carried out to noise reduction process comprise:
The relatively volume difference of the voice signal of two sound collection unit collections;
The voice signal that volume difference is less than to preset value gives filtering as noise.
Preferably, the described recorded audio signals of isolating from voice signal comprises:
The relatively volume difference of the voice signal of two sound collection unit collections;
The voice signal that volume difference is less than to preset value is separated as recorded audio signals.
Preferably, after the described step of isolating recorded audio signals from voice signal, also comprise:
The voice signal that volume difference is more than or equal to preset value is separated as conversation signal; Or,
Recorded audio signals described in filtering the voice signal gathering from arbitrary sound collection unit, using filtering the voice signal of recorded audio signals as conversation signal.
Preferably, described method also comprises: send described conversation signal to telephony unit.
The present invention proposes a kind of communicating terminal simultaneously, comprises sound collection unit, processing unit, telephony unit and recording unit, wherein:
Sound collection unit, for collected sound signal;
Processing unit in call and Recording Process, is isolated recorded audio signals, and is sent described recorded audio signals to recording unit from described voice signal.
Preferably, described processing unit is used for:
Described voice signal is carried out to noise reduction process, using voice signal after treatment as conversation signal;
Conversation signal described in filtering from described voice signal, using filtering the voice signal of conversation signal as recorded audio signals.
Preferably, described processing unit is used for:
The relatively volume difference of the voice signal of two sound collection unit collections;
The voice signal that volume difference is less than to preset value gives filtering as noise.
Preferably, described processing unit is used for:
The relatively volume difference of the voice signal of two sound collection unit collections;
The voice signal that volume difference is less than to preset value is separated as recorded audio signals.
Preferably, described processing unit is used for:
The voice signal that volume difference is more than or equal to preset value is separated as conversation signal; Or,
Recorded audio signals described in filtering the voice signal gathering from arbitrary sound collection unit, using filtering the voice signal of recorded audio signals as conversation signal.
Preferably, described processing unit is used for: send described conversation signal to described telephony unit.
A kind of method of conversing simultaneously and recording provided by the present invention, by isolate recorded audio signals from voice signal, the sound of user's communication is filtered out from voice signal and obtain recorded audio signals, then this recorded audio signals being sent to recording unit is recorded, avoid the interference of call to recording, met the demand that user converses simultaneously and records.User is in Recording Process when connecting incoming call, and recording can proceed to backstage and proceed; Or in communication process, also can start recording, the two is taken into account simultaneously, can carry out simultaneously, has promoted user's experience.
Meanwhile, also from voice signal, isolate conversation signal, filter out from voice signal by the sound of surrounding environment and remaining user's sound only, reduced call noise, prevent from recording the interference of source of sound to call, improved speech quality.Finally make call and recording not interfere with each other, high-quality operation simultaneously.
Accompanying drawing explanation
Fig. 1 is the flow chart of the method for simultaneously conversing and record the first embodiment of the present invention;
Fig. 2 is the flow chart of the method for simultaneously conversing and record the second embodiment of the present invention;
Fig. 3 is the flow chart of the method for simultaneously conversing and record the 3rd embodiment of the present invention;
Fig. 4 is the structured flowchart of communicating terminal one embodiment of the present invention.
Realization, functional characteristics and the advantage of the object of the invention, in connection with embodiment, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Referring to Fig. 1, the method for simultaneously conversing and record the first embodiment of the present invention is proposed, said method comprising the steps of:
Step S101: in call and Recording Process, collected sound signal
Communicating terminal is simultaneously in call and recording, and call event and recording event are same priority event.Communicating terminal can be first to start recording, in Recording Process, suddenly receives incoming call, and the rear recording of foundation call proceeds to backstage and proceeds; Also can be first to have set up call, at communication process, start recording.In a word, the two carries out simultaneously, does not interfere with each other.
Sound collection unit, as in the voice signal of microphone collection, has comprised conversation signal and recorded audio signals, and wherein conversation signal is the sound that user sends, and recorded audio signals is the sound that surrounding environment is sent.
Step S102: voice signal is carried out to noise reduction process, using voice signal after treatment as conversation signal
For communicating end, except user's sound, other sound of surrounding environment is noise, therefore, voice signal is carried out to noise reduction process, removes the sound of surrounding environment.
In the present embodiment, communicating terminal has two sound collection unit at least, while carrying out noise reduction process, the volume difference of the voice signal that first more any two sound collection unit gather, because user is nearest from sound collection unit, the volume difference of the user's that therefore two sound collection unit collect voice signal is larger, thereby the voice signal that volume difference is less than to preset value gives filtering as noise, remaining voice signal is user's voice signal, set it as conversation signal, thereby isolated conversation signal from voice signal.Described volume difference is preferably 6 decibels.
Step S103: filtering conversation signal from voice signal, using filtering the voice signal of conversation signal as recorded audio signals
Filtering conversation signal the voice signal that communicating terminal can collect from arbitrary sound collection unit, using filtering the voice signal of conversation signal as recorded audio signals.Concrete, voice signal and conversation signal that communicating terminal collects arbitrary sound collection unit compare, by target signal filter higher with the wave-form similarity of conversation signal in voice signal, remaining as recorded audio signals, thus from voice signal, isolate recorded audio signals.Described similarity is higher refers to that similarity reaches predetermined threshold value.
Step S104: send respectively conversation signal and recorded audio signals to telephony unit and recording unit
From voice signal, isolate after conversation signal and recorded audio signals, send conversation signal to telephony unit by voice pathway and give voice call, send recorded audio signals to recording unit by recording chain and give sound recording.
Referring to Fig. 2, the method for simultaneously conversing and record the second embodiment of the present invention is proposed, said method comprising the steps of:
Step S201: in call and Recording Process, collected sound signal
Step S202: the relatively volume difference of the voice signal of two sound collection unit collections
Step S203: the voice signal that volume difference is less than to preset value is separated as recorded audio signals
The present invention is particularly useful for recording source of sound from the sight beyond two meters of communicating terminals, the volume difference of the sound that the source of sound beyond two sound collection unit collect two meters sends is less than 6 decibels conventionally, therefore the voice signal that directly volume difference is less than to 6 decibels is separated, as recorded audio signals.
Step S204: the voice signal gathering from arbitrary sound collection unit, filtering recorded audio signals is as conversation signal
Voice signal and recorded audio signals that communicating terminal collects arbitrary sound collection unit compare, by target signal filter higher with the wave-form similarity of recorded audio signals in voice signal, remaining as conversation signal, thus from voice signal, isolate conversation signal.Described similarity is higher refers to that similarity reaches predetermined threshold value.
Step S205: send respectively conversation signal and recorded audio signals to telephony unit and recording unit
Referring to Fig. 3, the method for simultaneously conversing and record the 3rd embodiment of the present invention is proposed, said method comprising the steps of:
Step S301: in call and Recording Process, collected sound signal
Step S302: the relatively volume difference of the voice signal of two sound collection unit collections
Step S303: the voice signal that volume difference is less than to preset value is separated as recorded audio signals
Step S304: the voice signal that volume difference is more than or equal to preset value is separated as conversation signal
The volume difference of the voice signal that the present embodiment directly collects by two sound collection unit of comparison, isolates recorded audio signals and conversation signal.Wherein, the preset value described in step S303 and S304 can be identical, also can be different, be preferably 6 decibels.
Step S305: send respectively conversation signal and recorded audio signals to telephony unit and recording unit
In certain embodiments, communicating terminal only from voice signal, isolate recorded audio signals be transferred to recording unit recorded, give voice call and directly send voice signal to telephony unit as conversation signal.This situation can realize and converses simultaneously and record equally, only conversation signal is not carried out to noise reduction process, and can make has noise jamming in call.
Thereby, the method of conversing simultaneously and recording of the present invention, by isolate recorded audio signals from voice signal, filter out from voice signal by the sound of user's communication and obtain pure recorded audio signals, then this recorded audio signals being sent to recording unit is recorded, in the sound that makes to record, there is no user's dialog context, avoided the interference of call to recording, met the demand that user converses simultaneously and records.User is in Recording Process when connecting incoming call, and recording can proceed to backstage and proceed; Or in communication process, also can start recording, the two is taken into account simultaneously, can carry out simultaneously, has promoted user's experience.
Meanwhile, also from voice signal, isolate conversation signal, filter out from voice signal by the sound of surrounding environment and remaining user's sound only, reduced call noise, prevent from recording the interference of source of sound to call, improved speech quality.Finally make call and recording not interfere with each other, high-quality operation simultaneously.
Referring to Fig. 4, communicating terminal one embodiment of the present invention is proposed, described communicating terminal comprises sound collection unit 120, processing unit 110, telephony unit 140 and recording unit 130, and telephony unit 140 is for carrying out voice call, and recording unit 130 is for recorded voice.
Sound collection unit 120: for collected sound signal, it can be microphone, and be at least two.Voice signal comprises conversation signal and recorded audio signals, and wherein conversation signal is the sound that user sends, and recorded audio signals is the sound that surrounding environment is sent.
Processing unit 110: for conversing and Recording Process, from voice signal, isolate conversation signal and recorded audio signals, send conversation signal to telephony unit 140 by voice pathway and give voice call, send recorded audio signals to recording unit 130 by recording chain and give sound recording.
Call event and recording event are made as same priority event by processing unit 110.User can first start recording, suddenly receives incoming call in Recording Process, and the rear recording of foundation call proceeds to backstage and proceeds; Also can first set up call, at communication process, start recording.In a word, the two carries out simultaneously, does not interfere with each other.
When processing unit 110 separates conversation signal and recorded audio signals, first voice signal is carried out to noise reduction process, using voice signal after treatment as conversation signal; Then filtering conversation signal from voice signal, using filtering the voice signal of conversation signal as recorded audio signals.Concrete, the volume difference of processing unit 110 voice signal that first relatively two sound collection unit 120 gather, because user is nearest from sound collection unit 120, the volume difference of the user's that therefore two sound collection unit 120 collect voice signal is larger, thereby the voice signal that volume difference is less than to preset value gives filtering as noise, remaining voice signal is user's voice signal, sets it as conversation signal.Then, voice signal and conversation signal that processing unit 110 collects arbitrary sound collection unit 120 compare, by target signal filter higher with the wave-form similarity of conversation signal in voice signal, remaining as recorded audio signals.Recorded audio signals and conversation signal finally from voice signal, are isolated.Described volume difference is preferably 6 decibels, and described similarity is higher refers to that similarity reaches predetermined threshold value.
In certain embodiments, when processing unit 110 separates conversation signal and recorded audio signals, the volume difference of the voice signal that first relatively two sound collection unit 120 gather, the voice signal that volume difference is less than to preset value is separated as recorded audio signals.Then the voice signal gathering from arbitrary sound collection unit 120, filtering recorded audio signals is as conversation signal, concrete, voice signal and recorded audio signals that processing unit 110 collects arbitrary sound collection unit compare, by target signal filter higher with the wave-form similarity of recorded audio signals in voice signal, remaining as conversation signal.Conversation signal and recorded audio signals finally from voice signal, are isolated.
In further embodiments, when processing unit 110 separates conversation signal and recorded audio signals, the volume difference of the voice signal that first relatively two sound collection unit 120 gather, then the voice signal that directly volume difference is less than to preset value is separated as recorded audio signals, and the voice signal that volume difference is more than or equal to preset value is separated as conversation signal.
Also have in some embodiment, processing unit 110 is only isolated recorded audio signals and is sent recording unit 130 to from voice signal, and directly send telephony unit 140 using voice signal as conversation signal to, or directly voice signal is sent to telephony unit 140 by sound collection unit 120 and give voice call.This situation can realize and converses simultaneously and record equally, only conversation signal is not carried out to noise reduction process, and can make has noise jamming in call.
Accordingly, communicating terminal of the present invention, by isolate recorded audio signals from voice signal, filter out from voice signal by the sound of user's communication and obtain pure recorded audio signals, then this recorded audio signals being sent to recording unit is recorded, in the sound that makes to record, there is no user's dialog context, avoided the interference of call to recording, met the demand that user converses simultaneously and records.User is in Recording Process when connecting incoming call, and recording can proceed to backstage and proceed; Or in communication process, also can start recording, the two is taken into account simultaneously, can carry out simultaneously, has promoted user's experience.
Meanwhile, also from voice signal, isolate conversation signal, filter out from voice signal by the sound of surrounding environment and remaining user's sound only, reduced call noise, prevent from recording the interference of source of sound to call, improved speech quality.Finally make call and recording not interfere with each other, high-quality operation simultaneously.
One of ordinary skill in the art will appreciate that all or part of step realizing in above-described embodiment method is can control relevant hardware by program to complete, described program can be stored in a computer read/write memory medium, described storage medium, as ROM/RAM, disk, CD etc.
With reference to the accompanying drawings of the preferred embodiments of the present invention, not thereby limit to interest field of the present invention above.Those skilled in the art do not depart from the scope and spirit of the present invention, and can have multiple flexible program to realize the present invention, such as can be used for another embodiment and obtain another embodiment as the feature of an embodiment.Allly using any modification of doing within technical conceive of the present invention, be equal to and replace and improve, all should be within interest field of the present invention.
Claims (12)
1. the method conversing simultaneously and record, is characterized in that, comprises step:
In call and Recording Process, collected sound signal;
From described voice signal, isolate recorded audio signals;
Send described recorded audio signals to recording unit.
2. the method for conversing simultaneously and recording according to claim 1, is characterized in that, the described recorded audio signals of isolating from voice signal comprises:
Described voice signal is carried out to noise reduction process, using voice signal after treatment as conversation signal;
Conversation signal described in filtering from described voice signal, using filtering the voice signal of conversation signal as recorded audio signals.
3. the method for conversing simultaneously and recording according to claim 2, is characterized in that, describedly voice signal is carried out to noise reduction process comprises:
The relatively volume difference of the voice signal of two sound collection unit collections;
The voice signal that volume difference is less than to preset value gives filtering as noise.
4. the method for conversing simultaneously and recording according to claim 1, is characterized in that, the described recorded audio signals of isolating from voice signal comprises:
The relatively volume difference of the voice signal of two sound collection unit collections;
The voice signal that volume difference is less than to preset value is separated as recorded audio signals.
5. the method for conversing simultaneously and recording according to claim 4, is characterized in that, after the described step of isolating recorded audio signals from voice signal, also comprises:
The voice signal that volume difference is more than or equal to preset value is separated as conversation signal; Or,
Recorded audio signals described in filtering the voice signal gathering from arbitrary sound collection unit, using filtering the voice signal of recorded audio signals as conversation signal.
6. the method for conversing and recording according to time described in claim 2 or 5, is characterized in that, described method also comprises: send described conversation signal to telephony unit.
7. a communicating terminal, is characterized in that, comprises sound collection unit, processing unit, telephony unit and recording unit, wherein:
Sound collection unit, for collected sound signal;
Processing unit in call and Recording Process, is isolated recorded audio signals, and is sent described recorded audio signals to recording unit from described voice signal.
8. communicating terminal according to claim 7, is characterized in that, described processing unit is used for:
Described voice signal is carried out to noise reduction process, using voice signal after treatment as conversation signal;
Conversation signal described in filtering from described voice signal, using filtering the voice signal of conversation signal as recorded audio signals.
9. communicating terminal according to claim 8, is characterized in that, described processing unit is used for:
The relatively volume difference of the voice signal of two sound collection unit collections;
The voice signal that volume difference is less than to preset value gives filtering as noise.
10. communicating terminal according to claim 7, is characterized in that, described processing unit is used for:
The relatively volume difference of the voice signal of two sound collection unit collections;
The voice signal that volume difference is less than to preset value is separated as recorded audio signals.
11. communicating terminals according to claim 10, is characterized in that, described processing unit is used for:
The voice signal that volume difference is more than or equal to preset value is separated as conversation signal; Or,
Recorded audio signals described in filtering the voice signal gathering from arbitrary sound collection unit, using filtering the voice signal of recorded audio signals as conversation signal.
Communicating terminal described in 12. according to Claim 8 or 11, is characterized in that, described processing unit is used for: send described conversation signal to described telephony unit.
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