CN111754965A - Vehicle-mounted K song device and method and vehicle - Google Patents
Vehicle-mounted K song device and method and vehicle Download PDFInfo
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- CN111754965A CN111754965A CN201910253204.9A CN201910253204A CN111754965A CN 111754965 A CN111754965 A CN 111754965A CN 201910253204 A CN201910253204 A CN 201910253204A CN 111754965 A CN111754965 A CN 111754965A
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- 238000000034 method Methods 0.000 title claims abstract description 50
- 238000010586 diagram Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/36—Accompaniment arrangements
- G10H1/361—Recording/reproducing of accompaniment for use with an external source, e.g. karaoke systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/08—Constructional details, e.g. cabinet
- H04B1/082—Constructional details, e.g. cabinet to be used in vehicles
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
Abstract
The utility model relates to a vehicle-mounted K sings device, method and vehicle, is applied to the vehicle, and the device includes: when the processor executes the karaoke function, the processor is used for sending a first control instruction to the player, the first control instruction comprises a source switching message and a sound mixing message, the source switching message is used for indicating that the input of the player is switched to a target input source, the sound mixing message is used for indicating the player to perform frequency mixing, the sound collector is used for sending a voice signal to the player, the processor is further used for sending a preset multimedia signal to the player, and the player is used for mixing the voice signal and the multimedia signal according to the first control instruction to obtain a playing signal and playing the playing signal. The player can be controlled to simultaneously receive voice signals and multimedia signals and perform mixing, so that vehicle-mounted K songs are realized, the K songs of different vehicle types are not required to be customized, and the user experience is improved.
Description
Technical Field
The disclosure relates to the technical field of audio-video data processing, in particular to a vehicle-mounted karaoke device, a method and a vehicle.
Background
With the increasing of the automobile keeping quantity in China, the main functions of vehicle-mounted multimedia are more and more diversified, the entertainment function becomes one of the important references for people to choose automobiles, and the Karaoke function in the automobile is widely popular among people as the entertainment function capable of effectively enriching the spiritual life of people. In the prior art, when executing any application (e.g., a navigation application, a music playing application, etc.), the vehicle-mounted multimedia sends a source switching message to the player, so that the input of the player is switched to a target input source, that is, the player only plays one path of multimedia signal. If the existing Karaoke application is directly used on the vehicle-mounted multimedia, the vehicle-mounted multimedia can send a source switching message to the player, and the player can only receive the multimedia signal sent by the Karaoke application and cannot simultaneously receive the voice signal collected by the microphone. Therefore, the corresponding Karaoke application needs to be customized for the vehicle-mounted multimedia on different vehicle types to realize the vehicle-mounted Karaoke function, the cost of the vehicle is increased, the version maintenance cost is high, the version iteration period is long, the portability is poor, the vehicle type is single, the cross-platform compatibility cannot be realized, and the experience of a user is reduced.
Disclosure of Invention
The invention aims to provide a vehicle-mounted karaoke device, a vehicle-mounted karaoke method and a vehicle, which are used for solving the problem that when vehicle-mounted multimedia uses a karaoke function in the prior art, voice signals and multimedia signals cannot be played simultaneously.
In order to achieve the above object, according to a first aspect of the embodiments of the present disclosure, there is provided an in-vehicle karaoke apparatus applied to a vehicle, the apparatus including: a sound collector, a processor and a player;
when the processor executes a karaoke function, the processor is used for sending a first control instruction to the player, wherein the first control instruction comprises a source switching message and a mixing message, the source switching message is used for indicating that the input of the player is switched to a target input source, and the mixing message is used for indicating the player to mix;
the sound collector is used for sending a voice signal to the player;
the processor is also used for sending a preset multimedia signal to the player;
the player is used for mixing the voice signal and the multimedia signal according to the first control instruction to obtain a playing signal and playing the playing signal.
Optionally, the apparatus further comprises a demodulator;
the sound collector is also used for modulating the collected sound to obtain a modulation signal and sending the modulation signal to the demodulator;
the demodulator is used for demodulating the modulation signal to obtain the voice signal and sending the voice signal to the player;
the demodulator is further configured to adjust a demodulation frequency to a preset frequency before the processor executes the karaoke function, where the demodulation frequency is a frequency at which the demodulator demodulates the modulated signal;
the sound collector is further configured to adjust a modulation frequency to the preset frequency, so that the sound collector is connected with the demodulator, and the modulation frequency is a frequency at which the sound collector modulates the collected sound.
Optionally, the processor is further configured to suspend sending the multimedia signal to the player when a preset interrupt signal is received, and send a second control instruction to the player, where the second control instruction includes the source switching packet;
the player is also used for pausing the playing signal according to the second control instruction and playing the signal of the target input source indicated by the source switching message;
the processor is further configured to send the multimedia signal to the player and send a third control instruction to the player when a preset interrupt stop signal is received, where the third control instruction includes the audio mixing message;
the player is further configured to play the play signal according to the third control instruction.
Optionally, the first control instruction further includes a play message, where the play message is used to indicate a play parameter of the player, and the play message includes at least one of a power amplifier parameter, an equalizer parameter, a tone, a timbre, or a loudness.
Optionally, the apparatus further comprises an image collector;
when the processor executes the karaoke function, the processor is used for sending a starting instruction to the image collector;
the image collector is used for collecting image information after receiving the starting instruction.
According to a second aspect of the embodiments of the present disclosure, a vehicle-mounted karaoke method is provided, which is applied to a vehicle, wherein a sound collector, a processor and a player are arranged on the vehicle, and the method includes:
when the processor executes a karaoke function, sending a first control instruction to the player through the processor, wherein the first control instruction comprises a source switching message and a sound mixing message, the source switching message is used for indicating that the input of the player is switched to a target input source, and the sound mixing message is used for indicating the player to perform frequency mixing;
sending a voice signal to the player through the sound collector;
sending a preset multimedia signal to the player through the processor;
and mixing the voice signal and the multimedia signal through the player according to the first control instruction to obtain a playing signal, and playing the playing signal.
Optionally, a demodulator is further disposed on the vehicle, and the method further includes:
modulating the collected sound through the sound collector to obtain a modulation signal, and sending the modulation signal to the demodulator;
demodulating the modulation signal through the demodulator to obtain the voice signal, and sending the voice signal to the player;
before the sending, by the processor, the first control instruction to the player when the processor executes the karaoke function, the method further includes:
adjusting a demodulation frequency to a preset frequency through the demodulator, wherein the demodulation frequency is the frequency of the demodulator demodulating the modulation signal;
and adjusting the modulation frequency to the preset frequency through the sound collector so as to enable the sound collector to be connected with the demodulator, wherein the modulation frequency is the frequency of the collected sound modulated by the sound collector.
Optionally, the method further comprises:
when receiving a preset interrupt signal, the processor suspends the sending of the multimedia signal to the player and sends a second control instruction to the player, wherein the second control instruction comprises the source switching message;
pausing the playing of the playing signal through the player according to the second control instruction, and playing a signal of a target input source indicated by the source switching message;
when receiving a preset interrupt stop signal, the processor sends the multimedia signal to the player and sends a third control instruction to the player, wherein the third control instruction comprises the audio mixing message;
and playing the playing signal by the player according to the third control instruction.
Optionally, the first control instruction further includes a play message, where the play message is used to indicate a play parameter of the player, and the play message includes at least one of a power amplifier parameter, an equalizer parameter, a tone, a timbre, or a loudness.
Optionally, an image collector is further disposed on the vehicle, and the method further includes:
when the processor executes the karaoke function, sending a starting instruction to the image collector through the processor;
and acquiring image information after the image acquirer receives the opening instruction.
According to a third aspect of the embodiments of the present disclosure, a vehicle is provided with the on-vehicle karaoke apparatus of the first aspect.
Through above-mentioned technical scheme, on-vehicle K in this disclosure sings the device and includes: when the processor executes the karaoke function, a first control instruction is sent to the player through the processor, the first control instruction comprises a source switching message and a sound mixing message, the source switching message is used for indicating that the input of the player is switched to a target input source, the sound mixing message is used for indicating the player to carry out frequency mixing, a voice signal is sent to the player through the sound collector, a preset multimedia signal is sent to the player through the processor, and finally the voice signal and the multimedia signal are mixed through the player according to the first control instruction to obtain a playing signal and play the playing signal. The player can be controlled to simultaneously receive voice signals and multimedia signals and perform mixing, so that vehicle-mounted K songs are realized, the K songs of different vehicle types are not required to be customized, and the user experience is improved.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
fig. 1 is a block diagram illustrating an in-vehicle karaoke apparatus according to an exemplary embodiment.
Fig. 2 is a block diagram illustrating another in-vehicle karaoke apparatus according to an exemplary embodiment.
Fig. 3 is a block diagram illustrating yet another in-vehicle karaoke apparatus according to an exemplary embodiment.
FIG. 4 is a flowchart illustrating a method for Karaoke in a vehicle according to an exemplary embodiment.
FIG. 5 is a flow chart illustrating another method for Karaoke onboard according to an exemplary embodiment.
FIG. 6 is a flow chart illustrating another method for Karaoke onboard according to an exemplary embodiment.
FIG. 7 is a flow chart illustrating another method for Karaoke onboard according to an exemplary embodiment.
FIG. 8 is a flowchart illustrating yet another method for Karaoke in a vehicle, according to an exemplary embodiment.
FIG. 9 is a block diagram of a vehicle shown in accordance with an exemplary embodiment.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
Before introducing the vehicle-mounted karaoke device, method and vehicle provided by the present disclosure, an application scenario related to each embodiment of the present disclosure is first introduced. The application scenario may include a vehicle provided with a vehicular karaoke device, which may be, for example, an automobile, and may be applicable to other types of automobiles or non-automobiles in addition, where the vehicular karaoke device includes a sound collector, a processor, and a player. The processor (e.g., a high-pass cellcell processor chip) can be customized according to a specific vehicle type and a hardware carrying environment to realize different functions, and can also realize more complex software function logic, and the mobile phone function logic is deeply adapted from a hardware virtual layer to an application framework layer, that is, the processor can support application programs of a plurality of development platforms, and the sound collector can be, for example, an FM (english: Frequency Modulation, chinese: Frequency Modulation) microphone, a USB (english: Universal Serial Bus, chinese: Universal Serial Bus) microphone, a Bluetooth (english: Bluetooth) microphone, or an AUX (english: audio input interface) microphone.
Fig. 1 is a block diagram illustrating an in-vehicle karaoke apparatus according to an exemplary embodiment. As shown in fig. 1, applied to a vehicle, the apparatus 100 includes: a sound collector 101, a processor 102 and a player 103.
When the processor 102 executes the karaoke function, the processor 102 is configured to send a first control instruction to the player 103, where the first control instruction includes a source switching message and a remix message, the source switching message is used to instruct the player 103 to switch the input to the target input source, and the remix message is used to instruct the player 103 to perform mixing.
The sound collector 101 is used to send a voice signal to the player 103.
The processor 102 is also configured to send a predetermined multimedia signal to the player 103.
For example, the sound collector 101 may be connected to the player 103 through a wire harness, or may be connected to the player 103 through wireless communication (for example, through a bluetooth connection or an FM connection), and the processor 102 is connected to the player 103. The processor 102 is preset with a karaoke application developed by any development platform, and when a user performs karaoke, the processor 102 opens the karaoke application (for example, the user can click an icon of the karaoke application through a central control screen of a vehicle), executes a karaoke function, and sends a first control instruction to the player 103. The sound collector 101 (which may be a microphone, for example) collects sound emitted by a user to acquire a voice signal, and transmits the voice signal to the player 103. Meanwhile, the processor 102 sends a preset multimedia signal to the player 103, where the preset multimedia signal is a multimedia signal pre-stored in the processor 102, and may be a segment of audio pre-set in the processor 102 according to specific requirements of a user (for example, name of accompaniment and volume of accompaniment) when the processor 102 runs the karaoke application. When the processor 102 executes the karaoke function (i.e., runs the karaoke application), the first control instruction may include a source switching message and a remix message, where the source switching message is used to instruct the player 103 to switch the input of the player 103 to a target input source, that is, the player 103 switches the input signal to the target input source indicated in the source switching message, and the remix message is used to instruct the player 103 to perform frequency mixing, that is, instruct the player 103 to perform frequency mixing on multiple input signals according to the parameters indicated in the remix message.
The player 103 is configured to mix the voice signal and the multimedia signal according to the first control instruction to obtain a playing signal, and play the playing signal.
For example, after receiving the first control instruction, the player 103 filters out the source switching message, does not perform the step of switching the input signal of the player 103, mixes the voice signal and the multimedia signal according to the audio mixing message (if the source switching message is not filtered out, the player 103 can only play the multimedia signal, but cannot mix the voice signal and the multimedia signal to obtain the play signal), so as to obtain the play signal (i.e., the audio frequency including the voice signal and the multimedia signal), and plays the play signal, thereby implementing the function of singing K. When the processor 102 executes other functions (for example, the user connects a bluetooth phone, opens a navigation application, opens a video playing application, or selects an option of only playing accompaniment on the K song application), other control instructions may be sent, and the other control instructions may only include a source switching message, so that the player 103 plays the multimedia signal sent by the target input source indicated in the source switching message (when the option of only playing accompaniment is selected on the K song application, the target input source indicated by the source switching message included in the other control instructions sent is the accompaniment selected in advance in the K song application).
It should be noted that the connection manner of the sound collector 101 and the player 103 shown in fig. 1 is to exemplify a specific embodiment in the present disclosure, the sound collector 101 and the player 103 may be connected through a wire harness, or may be connected through a wireless communication manner, and the connection manner of the sound collector 101 and the player 103 in the present disclosure is not particularly limited.
To sum up, on-vehicle K in this disclosure sings device includes: when the processor executes the karaoke function, a first control instruction is sent to the player through the processor, the first control instruction comprises a source switching message and a sound mixing message, the source switching message is used for indicating that the input of the player is switched to a target input source, the sound mixing message is used for indicating the player to carry out frequency mixing, a voice signal is sent to the player through the sound collector, a preset multimedia signal is sent to the player through the processor, and finally the voice signal and the multimedia signal are mixed through the player according to the first control instruction to obtain a playing signal and play the playing signal. The player can be controlled to simultaneously receive voice signals and multimedia signals and perform mixing, so that vehicle-mounted K songs are realized, the K songs of different vehicle types are not required to be customized, and the user experience is improved.
Fig. 2 is a block diagram illustrating another in-vehicle karaoke apparatus according to an exemplary embodiment. As shown in fig. 2, the apparatus 100 further comprises a demodulator 104.
The sound collector 101 is further configured to modulate the collected sound to obtain a modulated signal, and send the modulated signal to the demodulator 104.
The demodulator 104 is configured to demodulate the modulated signal to obtain a voice signal, and send the voice signal to the player 103.
For example, when the sound collector 101 processes the collected sound through a preset modulation mode, the apparatus 100 may further include a demodulator 104, and the demodulator 104 may be disposed between the sound collector 101 and the player 103. The sound collector 101 establishes wireless connection with the demodulator 104 through an analog modulation mode, and the demodulator 104 is connected with the player 103. The sound collector 101 may include a microphone and a modulation module, the sound collector 101 collects sound emitted by a user through the microphone, sends the collected sound to the modulation module, and the modulation module modulates the sound according to a preset modulation method to obtain a modulation signal, and sends the modulation signal to the demodulator 104, where the modulation method may be any analog modulation method, and may include, for example: FM, AM (Amplitude Modulation, Chinese) or SSB (Single side band, Chinese) etc. After the demodulator 104 receives the modulated signal, the demodulator 104 demodulates the modulated signal in a demodulation manner agreed with the sound collector 101 to obtain a voice signal, and sends the voice signal to the player 103. The demodulation method is a demodulation method corresponding to the modulation method in the sound collector 101, and may be, for example, FM demodulation, AM demodulation, SSB demodulation, or the like.
Optionally, the demodulator 104 is further configured to adjust the demodulation frequency to a preset frequency before the processor 102 performs the karaoke function, where the demodulation frequency is a frequency at which the demodulator 104 demodulates the modulated signal.
The sound collector 101 is further configured to adjust the modulation frequency to a preset frequency, so that the sound collector 101 establishes a connection with the demodulator 104, where the modulation frequency is a frequency at which the sound collector 101 modulates the collected sound.
For example, before the sound collector 101 sends the voice signal to the player 103 through analog modulation, the sound collector 101 needs to establish a wireless connection with the demodulator 104 through analog modulation. The connection between the sound collector 101 and the demodulator 104 through analog modulation may be established by first adjusting the demodulation frequency to a preset frequency through the demodulator 104, then adjusting the modulation frequency to a preset frequency through the sound collector 101, and when the demodulation frequency of the demodulator 104 and the modulation frequency of the sound collector 101 are both adjusted to preset frequencies, the connection between the sound collector 101 and the demodulator 104 is successful through analog modulation. For example, the sound collector 101 may be an FM microphone, the demodulator 104 may be a radio in a vehicle, and before using the karaoke function, the user turns on the radio and tunes the frequency of the radio to an idle frequency (the idle frequency refers to a frequency not occupied by a broadcast signal), then turns on the FM microphone and tunes the frequency of the FM microphone to be the same as the frequency of the radio, and the FM microphone and the radio are successfully connected.
Optionally, the processor 102 is further configured to suspend sending the multimedia signal to the player 103 when receiving a preset interrupt signal, and send a second control instruction to the player 103, where the second control instruction includes a source switching message.
The player 103 is further configured to pause playing the playing signal according to the second control instruction, and play the signal of the target input source indicated by the source switching message.
The processor 102 is further configured to send the multimedia signal to the player 103 when receiving a preset interrupt stop signal, and send a third control instruction to the player 103, where the third control instruction includes a remix message.
The player 103 is further configured to play the play signal according to a third control instruction.
Illustratively, when the processor 102 receives a preset interrupt signal, the processor 102 suspends sending the multimedia signal to the player 103, and sends a second control instruction to the player 103, where the second control instruction includes a source switching message, where the preset interrupt signal is used to instruct the processor 102 to suspend the song-K function, for example, when the user actively suspends the song-K in the course of the song-K, or the processor 102 needs to run other applications (e.g., bluetooth phone, navigation application, video playing application), the processor 102 receives the interrupt signal. The player 103 suspends playing of the playing signal according to a second control instruction (source switching message), then switches the input of the player 103 to the target input source, and plays the signal of the target input source indicated by the source switching message, for example, when a bluetooth call is incoming in the process of singing, the processor 102 receives a preset interrupt signal, suspends the function of singing according to the preset interrupt signal, operates the bluetooth call function, and sends the second control instruction to the player 103, the player 103 suspends playing of the playing signal according to the second control instruction, then switches the input of the player 103 to the bluetooth call input source, and plays the signal sent by the bluetooth call input source (namely, the call voice in the process of operating the bluetooth call). When receiving a preset interrupt stop signal (the preset interrupt stop signal is used to instruct the processor 102 to continue to execute the karaoke function), the processor 102 continues to send the multimedia signal to the player 103, and sends a third control instruction to the player 103, where the third control instruction includes a mixing message, and the player 103 mixes the voice signal and the multimedia signal according to the third control instruction (mixing message) to obtain a play signal and plays the play signal. For example, in the process of singing, because the user uses the navigation application, the processor 102 suspends the singing function, when the processor 102 detects that the user finishes using the navigation application, the processor 102 receives a preset interrupt stop signal, continues to send the multimedia signal to the player 103 according to the preset interrupt stop signal, and sends a third control instruction to the player 103, and the player 103 mixes the voice signal and the multimedia signal according to the third control instruction to obtain a play signal, and plays the play signal, thereby continuing to singing.
It should be noted that, when the user operates to end the song K or operates another application to terminate the song K, the processor 102 may stop sending the multimedia signal to the player 103 and send the source switching message to the player 103, and the player 103 stops playing the playing signal according to the source switching message and plays the signal of the target input source indicated by the source switching message.
Optionally, the first control instruction further includes a play message, where the play message is used to indicate a play parameter of the player 103, and the play message includes at least one of a power amplifier parameter, an equalizer parameter, a tone, a timbre, or a loudness.
For example, in order to enable the user to obtain a better experience of singing a song, the first control instruction may further include a play message, where the play message is used to indicate a play parameter of the player 103, and the player 103 processes the voice signal according to the play message to obtain a better effect of singing a song, for example, the player 103 may perform processing such as EQ (english: Equalizer) adjustment, sound change processing, adding a special sound effect, and changing gain of the power amplifier on the voice signal. The play message includes at least one of power amplifier parameters, equalizer parameters, tone, timbre, or loudness. The preset parameters may be preset in the processor 102 before the user performs the karaoke song, or may be set in the processor 102 in real time according to specific requirements during the karaoke song. For example, a karaoke widget may be set in the processor 102, and may be synchronously turned on when the processor 102 turns on the karaoke application (the karaoke widget may appear on the central control screen of the vehicle in the form of a floating page, and the user may drag the karaoke widget and stop the karaoke widget at any position on the central control screen of the vehicle without affecting the use of the karaoke application by the user), and in the karaoke process, if the user is not satisfied with the output of the sound quality or the effect of the karaoke, the power amplifier parameter, the equalizer parameter, the tone, the timbre or the loudness may be adjusted in real time by the karaoke widget to adjust the karaoke effect, and after the user is adjusted, the karaoke widget sends the user-adjusted parameter to the processor 102, the processor 102 generates a play message according to the user-adjusted parameter sent by the karaoke widget, and sends a first control instruction including the play message to the player 103, when karaoke ends, the karaoke gadget is also synchronously turned off when the processor 102 turns off the karaoke application.
Fig. 3 is a block diagram illustrating yet another in-vehicle karaoke apparatus according to an exemplary embodiment. As shown in fig. 3, the apparatus 100 further comprises an image collector 105.
When the processor 102 executes the karaoke function, the processor 102 is configured to send an open command to the image collector 105.
The image collector 105 is configured to collect image information after receiving the turn-on command.
For example, when the user uses the karaoke function, it may be necessary to capture images during the karaoke (e.g. recording video of the karaoke) in real time, and for such a requirement, the apparatus 100 may further include an image collector 105, where the image collector 105 is connected to the processor 102, and the image collector 105 may be, for example, a camera or a video camera. When the processor 102 executes the karaoke function, the processor 102 sends a starting instruction to the image collector 105, the image collector 105 starts to collect image information after receiving the starting instruction, and the sending of the starting instruction and the sending of the first control instruction can be synchronously performed, namely, the image collection function and the karaoke function are synchronously performed. Similarly, when the processor 102 receives a preset interrupt signal, the processor 102 sends an instruction to the image collector 105 to suspend image information collection, and when the processor 102 receives a preset interrupt stop signal, the processor 102 sends an instruction to the image collector 105 to continue image information collection, and the image collector 105 continues to collect image information. When the user operates to end the song K, the processor 102 sends an instruction to the image collector 105 to stop collecting the image information, so as to release the image collector 105, so that other applications (such as a camera application) can normally use the image collector 105 after the user finishes the song K, and when the user operates other applications using the image collector 105 to end the song K, the processor 102 sends a message to the image collector 105 to instruct the input of the image collector 105 to be switched to a target input source, and the image collector 105 collects the image information indicated by the target input source.
To sum up, on-vehicle K in this disclosure sings device includes: when the processor executes the karaoke function, a first control instruction is sent to the player through the processor, the first control instruction comprises a source switching message and a sound mixing message, the source switching message is used for indicating that the input of the player is switched to a target input source, the sound mixing message is used for indicating the player to carry out frequency mixing, a voice signal is sent to the player through the sound collector, a preset multimedia signal is sent to the player through the processor, and finally the voice signal and the multimedia signal are mixed through the player according to the first control instruction to obtain a playing signal and play the playing signal. The player can be controlled to simultaneously receive voice signals and multimedia signals and perform mixing, so that vehicle-mounted K songs are realized, the K songs of different vehicle types are not required to be customized, and the user experience is improved.
FIG. 4 is a flowchart illustrating a method for Karaoke in a vehicle according to an exemplary embodiment. As shown in fig. 4, the method is applied to a vehicle provided with a sound collector, a processor and a player, and comprises the following steps:
in step 201, when the processor executes the karaoke function, a first control instruction is sent to the player through the processor, where the first control instruction includes a source switching message and a remix message, the source switching message is used to instruct the player to switch the input to a target input source, and the remix message is used to instruct the player to perform mixing.
In step 202, the voice signal is sent to the player through the sound collector.
In step 203, a preset multimedia signal is transmitted to the player through the processor.
In step 204, the player mixes the voice signal and the multimedia signal according to the first control instruction to obtain a playing signal, and plays the playing signal.
FIG. 5 is a flow chart illustrating another method for Karaoke onboard according to an exemplary embodiment. As shown in fig. 5, the vehicle is further provided with a demodulator, and the method further comprises the following steps:
in step 205, the collected sound is modulated by the sound collector to obtain a modulated signal, and the modulated signal is sent to the demodulator.
In step 206, the modulated signal is demodulated by the demodulator to obtain a voice signal, and the voice signal is sent to the player.
FIG. 6 is a flow chart illustrating another method for Karaoke onboard according to an exemplary embodiment. As shown in fig. 6, before step 201, the method further comprises:
in step 207, the demodulation frequency is adjusted to a preset frequency by the demodulator, and the demodulation frequency is the frequency at which the demodulator demodulates the modulated signal.
In step 208, the modulation frequency is adjusted to a preset frequency by the sound collector to establish a connection between the sound collector and the demodulator, and the modulation frequency is a frequency at which the sound collector modulates the collected sound.
FIG. 7 is a flow chart illustrating another method for Karaoke onboard according to an exemplary embodiment. As shown in fig. 7, the method further includes:
in step 209, when the processor receives the preset interrupt signal, it suspends sending the multimedia signal to the player, and sends a second control instruction to the player, where the second control instruction includes a source switching message.
In step 210, the player suspends playing the playing signal according to the second control instruction, and plays the signal of the target input source indicated by the source switching message.
In step 211, when receiving a preset interrupt stop signal, the processor sends the multimedia signal to the player and sends a third control instruction to the player, where the third control instruction includes a remix message.
In step 212, the playing signal is played by the player according to the third control instruction.
Optionally, the first control instruction further includes a play message, where the play message is used to indicate a play parameter of the player, and the play message includes at least one of a power amplifier parameter, an equalizer parameter, a tone, a timbre, or a loudness.
FIG. 8 is a flowchart illustrating yet another method for Karaoke in a vehicle, according to an exemplary embodiment. As shown in fig. 8, an image collector is further disposed on the vehicle, and the method further includes:
in step 213, when the processor executes the karaoke function, a turn-on command is sent to the image collector by the processor.
In step 214, image information is captured by the image capture device after receiving the start command.
With regard to the method in the above-described embodiment, the specific manner in which the respective steps perform operations has been described in detail in the embodiment related to the apparatus, and will not be elaborated upon here.
To sum up, on-vehicle K in this disclosure sings device includes: when the processor executes the karaoke function, a first control instruction is sent to the player through the processor, the first control instruction comprises a source switching message and a sound mixing message, the source switching message is used for indicating that the input of the player is switched to a target input source, the sound mixing message is used for indicating the player to carry out frequency mixing, a voice signal is sent to the player through the sound collector, a preset multimedia signal is sent to the player through the processor, and finally the voice signal and the multimedia signal are mixed through the player according to the first control instruction to obtain a playing signal and play the playing signal. The player can be controlled to simultaneously receive voice signals and multimedia signals and perform mixing, so that vehicle-mounted K songs are realized, the K songs of different vehicle types are not required to be customized, and the user experience is improved.
FIG. 9 is a block diagram of a vehicle shown in accordance with an exemplary embodiment. As shown in fig. 9, the vehicle 300 includes any of the in-vehicle karaoke apparatuses 100 shown in fig. 1 to 3 and a controller 301.
The Vehicle-mounted karaoke device 100 may be connected to the controller 301, the controller 301 may communicate with the Vehicle-mounted karaoke device 100, the controller 301 may be a processor having a Control function, such as a VCU (Vehicle Control Unit, chinese) or an MCU (Micro Control Unit, chinese), and the controller 301 is not specifically limited in this disclosure. With regard to the in-vehicle karaoke apparatus 100 in the above embodiment, the specific manner in which each module performs the operation has been described in detail in the embodiment related to the apparatus, and will not be elaborated here.
To sum up, on-vehicle K in this disclosure sings device includes: when the processor executes the karaoke function, a first control instruction is sent to the player through the processor, the first control instruction comprises a source switching message and a sound mixing message, the source switching message is used for indicating that the input of the player is switched to a target input source, the sound mixing message is used for indicating the player to carry out frequency mixing, a voice signal is sent to the player through the sound collector, a preset multimedia signal is sent to the player through the processor, and finally the voice signal and the multimedia signal are mixed through the player according to the first control instruction to obtain a playing signal and play the playing signal. The player can be controlled to simultaneously receive voice signals and multimedia signals and perform mixing, so that vehicle-mounted K songs are realized, the K songs of different vehicle types are not required to be customized, and the user experience is improved.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.
Claims (11)
1. A vehicle-mounted karaoke device is characterized by being applied to a vehicle, and comprising: a sound collector, a processor and a player;
when the processor executes a karaoke function, the processor is used for sending a first control instruction to the player, wherein the first control instruction comprises a source switching message and a mixing message, the source switching message is used for indicating that the input of the player is switched to a target input source, and the mixing message is used for indicating the player to mix;
the sound collector is used for sending a voice signal to the player;
the processor is also used for sending a preset multimedia signal to the player;
the player is used for mixing the voice signal and the multimedia signal according to the first control instruction to obtain a playing signal and playing the playing signal.
2. The apparatus of claim 1, further comprising a demodulator;
the sound collector is also used for modulating the collected sound to obtain a modulation signal and sending the modulation signal to the demodulator;
the demodulator is used for demodulating the modulation signal to obtain the voice signal and sending the voice signal to the player;
the demodulator is further configured to adjust a demodulation frequency to a preset frequency before the processor executes the karaoke function, where the demodulation frequency is a frequency at which the demodulator demodulates the modulated signal;
the sound collector is further configured to adjust a modulation frequency to the preset frequency, so that the sound collector is connected with the demodulator, and the modulation frequency is a frequency at which the sound collector modulates the collected sound.
3. The apparatus according to claim 1, wherein the processor is further configured to suspend sending the multimedia signal to the player when a preset interrupt signal is received, and send a second control instruction to the player, where the second control instruction includes the source switching packet;
the player is also used for pausing the playing signal according to the second control instruction and playing the signal of the target input source indicated by the source switching message;
the processor is further configured to send the multimedia signal to the player and send a third control instruction to the player when a preset interrupt stop signal is received, where the third control instruction includes the audio mixing message;
the player is further configured to play the play signal according to the third control instruction.
4. The apparatus of claim 1, wherein the first control instruction further comprises a play message indicating play parameters of the player, and wherein the play message comprises at least one of power amplifier parameters, equalizer parameters, tone, timbre, or loudness.
5. The apparatus of claim 1, further comprising an image collector;
when the processor executes the karaoke function, the processor is used for sending a starting instruction to the image collector;
the image collector is used for collecting image information after receiving the starting instruction.
6. The vehicle-mounted karaoke method is applied to a vehicle, wherein a sound collector, a processor and a player are arranged on the vehicle, and the method comprises the following steps:
when the processor executes a karaoke function, sending a first control instruction to the player through the processor, wherein the first control instruction comprises a source switching message and a sound mixing message, the source switching message is used for indicating that the input of the player is switched to a target input source, and the sound mixing message is used for indicating the player to perform frequency mixing;
sending a voice signal to the player through the sound collector;
sending a preset multimedia signal to the player through the processor;
and mixing the voice signal and the multimedia signal through the player according to the first control instruction to obtain a playing signal, and playing the playing signal.
7. The method of claim 6, wherein a demodulator is further disposed on the vehicle, the method further comprising:
modulating the collected sound through the sound collector to obtain a modulation signal, and sending the modulation signal to the demodulator;
demodulating the modulation signal through the demodulator to obtain the voice signal, and sending the voice signal to the player;
before the sending, by the processor, the first control instruction to the player when the processor executes the karaoke function, the method further includes:
adjusting a demodulation frequency to a preset frequency through the demodulator, wherein the demodulation frequency is the frequency of the demodulator demodulating the modulation signal;
and adjusting the modulation frequency to the preset frequency through the sound collector so as to enable the sound collector to be connected with the demodulator, wherein the modulation frequency is the frequency of the collected sound modulated by the sound collector.
8. The method of claim 6, further comprising:
when receiving a preset interrupt signal, the processor suspends the sending of the multimedia signal to the player and sends a second control instruction to the player, wherein the second control instruction comprises the source switching message;
pausing the playing of the playing signal through the player according to the second control instruction, and playing a signal of a target input source indicated by the source switching message;
when receiving a preset interrupt stop signal, the processor sends the multimedia signal to the player and sends a third control instruction to the player, wherein the third control instruction comprises the audio mixing message;
and playing the playing signal by the player according to the third control instruction.
9. The method of claim 6, further comprising a play message in the first control instruction, wherein the play message is used to indicate a play parameter of the player, and the play message comprises at least one of a power amplifier parameter, an equalizer parameter, a tone, a timbre, or a loudness.
10. The method of claim 6, wherein an image collector is further disposed on the vehicle, the method further comprising:
when the processor executes the karaoke function, sending a starting instruction to the image collector through the processor;
and acquiring image information after the image acquirer receives the opening instruction.
11. A vehicle, characterized in that the vehicle comprises the on-vehicle karaoke apparatus of any one of claims 1-5.
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| CN201910253204.9A CN111754965B (en) | 2019-03-29 | 2019-03-29 | Vehicle-mounted K song device, method and vehicle |
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