WO2022121617A1

WO2022121617A1 - Karaoke method, vehicle-mounted terminal, and vehicle

Info

Publication number: WO2022121617A1
Application number: PCT/CN2021/130139
Authority: WO
Inventors: 李发喜; 刘娟; 吴丽华; 王永攀
Original assignee: 比亚迪股份有限公司
Priority date: 2020-12-08
Filing date: 2021-11-11
Publication date: 2022-06-16
Also published as: CN114613344A

Abstract

Provided is a karaoke method, which is applied to a vehicle-mounted terminal and mainly solves the problem of a one-button start. The method comprises: upon collection of a trigger signal of a microphone, starting a karaoke function module, the karaoke function module comprising multiple pieces of karaoke software; acquiring a user demand signal; and analyzing the user demand signal, confirming, from the multiple pieces of karaoke software, a piece of target karaoke software corresponding to the user demand signal, and starting the target karaoke software.

Description

A karaoke method, vehicle terminal and car

CROSS-REFERENCE TO RELATED APPLICATIONS

The present disclosure is based on the Chinese patent application with the application number of 202011422078.4 and the filing date of December 8, 2020, and claims the priority of the Chinese patent application. The entire content of the Chinese patent application is incorporated herein by reference.

technical field

The present disclosure relates to the field of intelligent driving, in particular to a karaoke method, a vehicle-mounted terminal and a car.

Background technique

The current indoor car karaoke system is single and cannot meet the needs of users. It needs to be controlled and selected by touching multiple times, and even if it is operated by voice, it is only opened to the multimedia interface. There are many kinds of software that cannot be accurately selected. The required singing software can be started with one click.

public content

The present disclosure mainly solves the problem of one-key start, including: when the trigger signal of the microphone is collected, start the karaoke function module, and the karaoke function module includes several karaoke software; obtain user demand signals; analyze the user The demand signal is to confirm the target karaoke software corresponding to the user demand signal from the plurality of karaoke software.

In order to achieve the above purpose, the present disclosure provides a karaoke method, a vehicle-mounted terminal and a car, which solve the problem of starting karaoke software with one key.

In some embodiments of the present disclosure, the step of acquiring the user demand signal includes: outputting a software-selected voice signal, and analyzing the received user feedback voice signal to obtain the user demand signal, where the user feedback voice signal is the same as the selected voice signal. corresponding to the selected voice signal; or, output the key signal selected by the software, and obtain the user demand signal according to the selected user feedback key signal, and the user feedback key signal corresponds to the selected key signal; or, output the software selection The display screen touch signal is selected, and the user demand signal is obtained according to the selected user feedback display screen touch signal, and the user feedback touch signal corresponds to the selected display screen touch signal.

In some embodiments of the present disclosure, before the step of starting the karaoke function module, the step further includes: acquiring current vehicle information;

According to the current vehicle usage information, it is judged whether the preset safe start condition is satisfied; when it is satisfied, the karaoke function module is activated; when it is not satisfied, the karaoke function module is not activated.

In some embodiments of the present disclosure, the current vehicle information includes vehicle status information and vehicle location information; the step of judging whether a preset safe start condition is met according to the current vehicle information includes: according to the The vehicle state information determines that the vehicle is in a parked state, and when it is determined that the vehicle is in a safe position according to the vehicle location information and the preset map information, it is determined that the preset safe start condition is met; otherwise, it is determined that the preset safe start condition is not met.

In some embodiments of the present disclosure, the vehicle-mounted terminal is loaded with several sound effect modes; after the step of starting the target karaoke software, the step further includes: acquiring song parameter information input by the user, where the song parameter information includes a song information, volume information and sound effect mode information; start a target sound effect mode from the several sound effect modes, and the target sound effect mode corresponds to the sound effect information; play a song corresponding to the track information in the target sound effect mode, And the volume is regulated according to the volume information.

In some embodiments of the present disclosure, the volume information includes microphone volume information and system volume information, and the sound effect mode information includes KTV mode, recording studio mode, concert hall mode, and acoustic mode.

In some embodiments of the present disclosure, after the step of starting the target karaoke software, it also includes:

Output projection mode selection information, which includes interior projection information and exterior projection information; acquire projection feedback information input by the user, the projection feedback information corresponding to the projection mode selection information; when determining the projection feedback information When the information is projected inside the vehicle, it is projected on the inner side of the roof or the front windshield; when it is determined that the projected feedback information is projected outside the vehicle, it is projected on the external screen.

In some embodiments of the present disclosure, before the step of outputting the projection mode selection information, the step further includes: outputting whether to select the projection information; according to the enable projection information signal, if it is determined that the projection mode selection signal is yes, enable the projection function; When it is determined that the projection signal is selected, the projection function is not turned on.

In some embodiments of the present disclosure, an in-vehicle terminal includes a processor and a memory, the memory is used to store a computer program, and the computer program is recorded and executed by the processor: when a trigger signal of a microphone is collected When, start the karaoke function module, the karaoke function module includes several karaoke software; obtain the user demand signal; analyze the user demand signal, confirm from the several k song software corresponding to the user demand signal the target karaoke software, and start the target karaoke software.

Description of drawings

The above and/or additional aspects and advantages of the present disclosure will become apparent and readily understood from the following description of embodiments taken in conjunction with the accompanying drawings, wherein:

Fig. 1 is the flow chart of a kind of K song method embodiment of the present disclosure;

Fig. 2 is the flow chart of a kind of karaoke microphone processing embodiment of the present disclosure;

FIG. 3 is a flowchart of an embodiment of a karaoke method of the present disclosure.

Detailed ways

Embodiments of the present disclosure are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present disclosure and should not be construed as a limitation of the present disclosure.

The method and apparatus of the embodiments of the present disclosure are described below with reference to the accompanying drawings.

In order to make the technical problems, technical solutions and beneficial effects solved by the present disclosure clearer, the present disclosure will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present disclosure. , and are not used to limit the present disclosure.

As shown in Figure 1, a karaoke method, applied to a vehicle-mounted terminal, includes: when a trigger signal of a microphone is collected, start a karaoke function module, and the karaoke function module includes several karaoke software; obtain user demand signals ;Analyze the user demand signal, confirm the target karaoke software corresponding to the user demand signal from several karaoke software, and start the target karaoke software.

The step of obtaining the user demand signal includes: outputting the software selection voice signal, and analyzing the received user feedback voice signal to obtain the user demand signal, and the user feedback voice signal corresponds to the selection voice signal; or, outputting the key signal selected by the software, and according to The selected user feedback button signal obtains the user demand signal, and the user feedback button signal corresponds to the selected button signal; or, the display screen touch signal selected by the software is output, and the user demand signal is obtained according to the selected user feedback display screen touch signal, The touch signal fed back by the user corresponds to the selected touch signal of the display screen.

Specifically, several of the karaoke software include singing bar software and national karaoke, etc. The steps to obtain the user demand signal requirements include three methods. The user demand can be determined through the voice input selection in the intelligent voice mode, on the steering wheel or in the gear position. The key control selection at the location is determined or determined according to the touch control selection on the central control display screen, and its specific implementation is as follows: the output software selects the voice signal and analyzes the received user feedback voice signal to obtain the user demand signal, and the user feedback voice signal and selection corresponding to the voice signal; or, output the button signal selected by the software, and obtain the user demand signal according to the selected user feedback button signal, and the user feedback button signal corresponds to the selected button signal; or, output the display screen touch signal selected by the software, and The user demand signal is obtained according to the selected user feedback touch signal on the display screen, and the user feedback touch signal corresponds to the selected display screen touch signal.

In one embodiment, the karaoke method, before the step of activating the karaoke function module, further includes: acquiring current vehicle information; judging whether a preset safe start condition is met according to the current vehicle information; when satisfied, starting the karaoke function module; when it is not satisfied, the K song function module will not be activated.

The current vehicle information includes vehicle status information and vehicle position information; the step of judging whether the preset safe start conditions are met according to the current vehicle information includes: determining that the vehicle is in a parked state according to the vehicle status information, and determining whether the vehicle is in a parked state according to the vehicle status information It is assumed that when the map information determines that the vehicle is in a safe position, it is determined that the preset safe starting condition is met; otherwise, it is determined that the preset safe starting condition is not met.

Specifically, since the singing function needs to be turned on under the premise of determining the stability and safety of the vehicle, it is necessary to determine the vehicle information of the vehicle, and determine whether the preset safe start conditions are met according to the vehicle information, and when it is satisfied, it can be started. The karaoke function module is used for subsequent operations. When it is not satisfied, the karaoke function module cannot be activated. You can wait for the car to stop before judging whether the preset safe start conditions are met.

The current vehicle information includes vehicle status information and vehicle location information; when it is determined that the vehicle is in a parked state according to the vehicle status information, and the vehicle is determined to be in a safe position according to the vehicle location information and the preset map information, it is determined that the preset safe start is satisfied. If and only when the current vehicle information meets the above two conditions, it can be determined that the preset safe start condition is satisfied.

In one embodiment, obtain song parameter information input by the user, the song parameter information includes track information, volume information and sound effect mode information; start a target sound effect mode from several sound effect modes, and the target sound effect mode corresponds to the sound effect information; in the target sound effect mode Play the song corresponding to the track information, and adjust the volume according to the volume information; the volume information includes microphone volume information and system volume information, and the sound effect mode information includes KTV mode, recording studio mode, concert hall mode and original sound mode.

Specifically, it can be seen from the strategy for the K song applet in this disclosure that the USB receiver is correctly inserted into the USB module data interface, and after the microphone is matched with the USB receiver, when the microphone power-on button is turned on, the vehicle host obtains the microphone power-on button. The signal automatically opens the karaoke software (sing it, etc.), touch the karaoke applet icon on the karaoke software interface, adjust the microphone volume on the pop-up interface, and select the sound effect mode of outdoor karaoke: recording studio, KTV, concert hall , original sound; the car host does not get the microphone power button signal, the three-party K song APP will not open automatically, and the k song applet will not open; when the user enters the k song applet with one key, you can select your favorite song and click Start Outdoor karaoke. It can be seen from this that launching the K-Song applet with one click greatly facilitates the user experience and makes it more intelligent and interesting.

In one embodiment, the projection mode selection information is output, and the projection mode selection information includes the interior projection information and the exterior projection information; the projection feedback information input by the user is acquired, and the projection feedback information corresponds to the projection mode selection information; when determining the projection feedback information When the information is projected inside the vehicle, it is projected on the inner side of the roof or the front windshield; when it is determined that the projected feedback information is projected outside the vehicle, it is projected on the external screen.

Before the step of selecting the information of the projection mode, it also includes: outputting whether the projection information is selected; according to the open projection information signal, if it is determined that the selected projection signal is yes, then the projection function is activated; if it is determined that the selected projection signal is no, then the projection function is not activated Function.

Specifically, when it is determined that the projection feedback information is in-vehicle projection information, it is projected onto the inner side of the roof or the front windshield, where the interior of the roof includes a roof canopy, or the roof is a sunroof and may also be on the sunroof, or The projection can be projected on the front windshield or on the car window, and if the user needs to sing outdoors, he can directly see the singing lyrics related to the projection through the glass; when it is determined that the projection feedback information is the car When projecting information externally, it is projected on an external screen, which is another implementation of projection. It can be connected to an external device for projection, and the projection can be projected on the screen by the projection device or displayed by an external monitor.

As shown in FIG. 3 , the present disclosure provides an embodiment of an outdoor karaoke method based on car audio, including: a microphone, a USB receiver, a multimedia host, a car projector, a car window, an external power amplifier, and a speaker. First, establish a signal connection between the microphone and the multimedia host through the USB receiver, the multimedia host and the USB module through a shielded twisted pair cable, the multimedia host and the car projector through the LVDS signal connection, the multimedia host and the external power amplifier through the signal connection, the external Amplifiers and speakers are connected by signal. When performing karaoke, the timely music screen of the car host, including MV and lyrics, is transmitted to the projector through LVDS. After receiving the signal, the projector projects the corresponding information to the car window, and the user sings outdoors according to the accompaniment heard. , to achieve the same effect as the in-car display K song.

In the specific implementation, in the karaoke mode, the communication mode of the whole system is as follows: the microphone is turned on, the active noise reduction module is integrated in the microphone, the microphone pickups at different positions collect human voice and ambient sound, and the active noise reduction module obtains the above-mentioned Human voice, ambient sound and other signals, after echo suppression processing by noise reduction algorithm, reduce echo, reduce environmental noise, and realize active noise reduction; the signal after active noise reduction of the microphone is sent to the USB receiver through UHF communication technology, and the USB receiver It is a sound card. After AD/DA conversion, the USB receiver is connected to the USB module, and then the timely information collected is transmitted to the vehicle host; the accompaniment of the K song tripartite APP (sing bar, etc.) After the vocal signal and accompaniment signal are mixed in the sound card module of the car host and processed by the sound effect algorithm, they are input to the power amplifier A2B module through the car host A2B module. The timely played MV and lyrics information are transmitted to the projector through LVDS. After the projector wakes up, the MV and lyrics of the corresponding song are projected to the car window in a timely manner. The user can achieve visual and audible effects during the singing process based on the accompaniment. , The three-party APP (Sing Bar, etc.) obtains the mix of the host's vocals and accompaniment, and records and scores on the host APP side. Singers can publish their own singing recordings after editing to increase interaction with fans and friends.

It can be seen from the above scheme that when outdoor karaoke songs, the singer can not only accompany the karaoke songs according to the timely accompaniment, but also the visual lyrics also bring great fun to the singers; in order to enhance the sound effects of outdoor karaoke songs, the The volume of the microphone DSP chip system, the volume of the host DSP chip system, and the volume of the karaoke applet have been debugged, which are different from the sound effects of indoor karaoke.

As shown in Figure 2, specifically, in view of the above strategies, the vehicle-mounted microphone integrates an active noise reduction module. The microphone pickups at different positions collect human voices and ambient sounds. The active noise reduction module performs noise reduction algorithms and echo processing for human voices and ambient sounds. , to achieve the effect of active noise reduction. At the same time, in order to meet the outdoor karaoke scene, the system sound field volume of the microphone DSP chip is specially tuned, and the signal is processed by the sound card through UHF technology and transmitted to the vehicle host. The volume of the DSP chip is debugged and the volume is increased; the host side starts the three-party karaoke software (sing it) with one key, and after the accompaniment of the song and the vocal mixing are processed and synthesized, it is amplified by the power amplifier and played through the speaker. It can be seen from this that the sound effect after the audio mixing process of the entire outdoor karaoke system: the vocals and the accompaniment are combined into one, achieving the effect of bright high pitch, stable mid pitch and deep bass.

In order to solve the pain points in the prior art such as unsatisfactory sound effect of outdoor karaoke, low system volume, and invisible lyrics, the present disclosure fully satisfies consumers' usage scenarios of outdoor karaoke, and achieves that the car is a real mobile KTV, indoor and outdoor. All have the ultimate K song experience.

The present disclosure provides a solution for an outdoor karaoke system based on a car audio, the specific solution is as follows:

The car microphone collects human voice and ambient sound through its own pickup, and then uses echo suppression, noise reduction algorithm, etc. to eliminate echo and reduce environmental noise, and then communicate with the car host through UHF technology; at the same time, the car microphone is specially designed for outdoor karaoke scenes. Tuning is done.

After the microphone starts the host's three-party karaoke APP (sing it, etc.) with one key, the user's vocal and accompaniment mixing during outdoor karaoke is processed on the host side, and after passing through the Dirac sound effect algorithm, it is amplified by the power amplifier and output to the vehicle speakers; Aiming at the pain point of the low volume of the outdoor karaoke system, the volume of the host system and the volume of the karaoke applet are specially adjusted for the outdoor karaoke to ensure that the sound effect of the whole system is not distorted and the singing is pleasant.

The video screen and lyrics displayed by the three-party K song APP (sing bar, etc.) on the host side are transmitted to the on-board projector through LVDS, and the on-board projector will project the timely screen to the left front window.

When the user sings outdoors, the voice is input to the host voice module through the microphone, and the microphone can realize the operation of voice cutting and song ordering, saving the trouble of manual song ordering.

By implementing the above technical solutions, the following technical effects are obtained: the outdoor karaoke system based on the car audio provided by the present disclosure can not only satisfy the indoor karaoke, but also meet the high-quality system sound effects, high-decibel volume effect and high-quality outdoor karaoke. Visual and timely MV and lyrics allow users to truly enjoy the ultimate pleasure of singing when they want to sing outdoors.

The above descriptions are only preferred embodiments of the present disclosure, and are not intended to limit the present disclosure. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present disclosure shall be included in the protection of the present disclosure. within the range.

In the description of this specification, description with reference to the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples", etc., mean specific features described in connection with the embodiment or example , structures, materials, or features are included in at least one embodiment or example of the present disclosure. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, those skilled in the art may combine and combine the different embodiments or examples described in this specification, as well as the features of the different embodiments or examples, without conflicting each other.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In the description of the present disclosure, "plurality" means at least two, such as two, three, etc., unless expressly and specifically defined otherwise.

Any process or method description in the flowcharts or otherwise described herein may be understood to represent a module, segment or portion of code comprising one or more executable instructions for implementing custom logical functions or steps of the process , and the scope of the preferred embodiments of the present disclosure includes alternative implementations in which the functions may be performed out of the order shown or discussed, including performing the functions substantially concurrently or in the reverse order depending upon the functions involved, which should It is understood by those skilled in the art to which the embodiments of the present disclosure pertain.

The logic and/or steps represented in flowcharts or otherwise described herein, for example, may be considered an ordered listing of executable instructions for implementing the logical functions, may be embodied in any computer-readable medium, For use with, or in conjunction with, an instruction execution system, apparatus, or device (such as a computer-based system, a system including a processor, or other system that can fetch instructions from and execute instructions from an instruction execution system, apparatus, or apparatus) or equipment. For the purposes of this specification, a "computer-readable medium" can be any device that can contain, store, communicate, propagate, or transport the program for use by or in connection with an instruction execution system, apparatus, or apparatus. More specific examples (non-exhaustive list) of computer readable media include the following: electrical connections with one or more wiring (electronic devices), portable computer disk cartridges (magnetic devices), random access memory (RAM), Read Only Memory (ROM), Erasable Editable Read Only Memory (EPROM or Flash Memory), Fiber Optic Devices, and Portable Compact Disc Read Only Memory (CDROM). In addition, the computer readable medium may even be paper or other suitable medium on which the program may be printed, as the paper or other medium may be optically scanned, for example, followed by editing, interpretation, or other suitable medium as necessary process to obtain the program electronically and then store it in computer memory.

It should be understood that portions of the present disclosure may be implemented in hardware, software, firmware, or a combination thereof. In the above-described embodiments, various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware as in another embodiment, it can be implemented by any one of the following techniques known in the art, or a combination thereof: discrete with logic gates for implementing logic functions on data signals Logic circuits, application specific integrated circuits with suitable combinational logic gates, Programmable Gate Arrays (PGA), Field Programmable Gate Arrays (FPGA), etc.

Those skilled in the art can understand that all or part of the steps carried by the methods of the above embodiments can be completed by instructing the relevant hardware through a program, and the program can be stored in a computer-readable storage medium, and the program can be stored in a computer-readable storage medium. When executed, one or a combination of the steps of the method embodiment is included.

In addition, each functional unit in each embodiment of the present disclosure may be integrated into one processing module, or each unit may exist physically alone, or two or more units may be integrated into one module. The above-mentioned integrated modules can be implemented in the form of hardware, and can also be implemented in the form of software function modules. If the integrated modules are implemented in the form of software functional modules and sold or used as independent products, they may also be stored in a computer-readable storage medium.

The above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, and the like. Although the embodiments of the present disclosure have been shown and described above, it should be understood that the above-described embodiments are exemplary and should not be construed as limitations of the present disclosure, and those of ordinary skill in the art may interpret the above-described embodiments within the scope of the present disclosure. Embodiments are subject to variations, modifications, substitutions and variations.

Claims

A karaoke method, wherein, applied to a vehicle-mounted terminal, comprising:

When the trigger signal of the collected microphone, start the karaoke function module, and the karaoke function module includes several karaoke software;

Obtain user demand signals;

Analyze the user demand signal, confirm the target karaoke software corresponding to the user demand signal from the plurality of karaoke software, and start the target karaoke software.
K song method as claimed in claim 1, wherein, the described step of obtaining user demand signal, comprises:

The output software selects the voice signal, and analyzes the received user feedback voice signal to obtain the user demand signal, and the user feedback voice signal corresponds to the selected voice signal;

or,

Outputting the button signal selected by the software, and obtaining the user demand signal according to the selected user feedback button signal, and the user feedback button signal corresponds to the selected button signal;

or,

The display screen touch signal selected by the software is output, and the user demand signal is obtained according to the selected user feedback display screen touch signal, and the user feedback touch signal corresponds to the selected display screen touch signal.
The karaoke method according to claim 1 or 2, wherein, before the step of starting the karaoke function module, it also includes:

Get current car information;

Judging whether a preset safe start condition is met according to the current vehicle information;

When satisfied, start the K song function module;

When not satisfied, the K song function module will not be activated.
The karaoke method according to claim 3, wherein the current vehicle information includes vehicle status information and vehicle location information; the step of judging whether a preset safe start condition is met according to the current vehicle information includes the following steps: :

When it is determined that the vehicle is in a parked state according to the vehicle state information, and it is determined that the vehicle is in a safe position according to the vehicle position information and the preset map information, it is determined that the preset safe start conditions are met; otherwise, it is determined that the preset safe start conditions are not met. condition.
The karaoke method according to any one of claims 1-4, wherein the vehicle-mounted terminal is loaded with several sound effect modes; after the step of starting the target karaoke software, it also includes:

Obtaining the song parameter information input by the user, the song parameter information includes track information, volume information and sound effect mode information;

Start a target sound effect mode from the plurality of sound effect modes, and the target sound effect mode corresponds to the sound effect information;

The song corresponding to the track information is played in the target sound effect mode, and the volume is adjusted according to the volume information.
The karaoke method according to claim 5, wherein the volume information includes microphone volume information and system volume information, and the sound effect mode information includes KTV mode, recording studio mode, concert hall mode and original sound mode.
The karaoke method according to any one of claims 1-6, wherein, after the step of starting the target karaoke software, it also includes:

outputting projection mode selection information, where the projection mode selection information includes in-vehicle projection information and out-of-vehicle projection information;

obtaining projection feedback information input by a user, where the projection feedback information corresponds to the projection mode selection information;

When it is determined that the projection feedback information is in-vehicle projection information, project it to the inner side of the roof or the front windshield;

When it is determined that the projection feedback information is the projection information outside the vehicle, it is projected on the external screen.
K song method as claimed in claim 7, wherein, before the step of described output projection mode selection information, also comprises:

Output whether to select projection information;

According to the open projection information signal, if it is determined that the selected projection signal is yes, then the projection function is enabled;

If it is determined that the selection of the projection signal is negative, the projection function is not enabled.
An in-vehicle terminal, including a processor and a memory,

The memory is used to store a computer program, and the computer program is recorded and executed by the processor:

When the trigger signal of the collected microphone, start the karaoke function module, and the karaoke function module includes several karaoke software;

Obtain user demand signals;

The user demand signal is analyzed, the target karaoke software corresponding to the user demand signal is confirmed from the plurality of karaoke software, and the target karaoke software is activated.
An automobile, comprising the in-vehicle terminal of claim 9 .