CN111754964A - Sound processing device and method, karaoke system and vehicle - Google Patents
Sound processing device and method, karaoke system and vehicle Download PDFInfo
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- CN111754964A CN111754964A CN201910252109.7A CN201910252109A CN111754964A CN 111754964 A CN111754964 A CN 111754964A CN 201910252109 A CN201910252109 A CN 201910252109A CN 111754964 A CN111754964 A CN 111754964A
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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
- G10H1/366—Recording/reproducing of accompaniment for use with an external source, e.g. karaoke systems with means for modifying or correcting the external signal, e.g. pitch correction, reverberation, changing a singer's voice
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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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
Abstract
The present disclosure relates to a sound processing apparatus, a sound processing method, a karaoke system, and a vehicle, the apparatus including: demodulation module, broadcast module and processing module, demodulation module is connected with broadcast module, broadcast module is connected with processing module, demodulation module is used for demodulating the modulation signal who is sent by sound collection device, in order to obtain audio signal, and send audio signal to broadcast module, modulation signal is the signal that sound collection device sent after the sound modulation that gathers, processing module is used for sending predetermined accompaniment signal to broadcast module, broadcast module is used for mixing audio signal and accompaniment signal, in order to obtain broadcast signal, and broadcast signal. According to the method and the device, the transmission of sound is realized in a modulation and demodulation mode, the encoding and decoding process is not needed, the non-delay singing can be realized, and the karaoke experience of a user is improved.
Description
Technical Field
The present disclosure relates to the field of audio and video data processing technologies, and in particular, to a sound processing apparatus and method, a karaoke system, and a vehicle.
Background
Along with the development of social economy and the improvement of living standard, the entertainment function becomes one of important references for people to choose automobiles, and the Karaoke in the automobile is widely popular to people as an entertainment activity capable of effectively enriching the spiritual life of people. The in-vehicle K song is mainly characterized in that voice is collected through a microphone, the collected voice is sent to a vehicle-mounted player, and the voice and an accompaniment are mixed through the vehicle-mounted player and then played to realize the K song. In the prior art, a microphone used by karaoke in a vehicle mainly adopts a USB (Universal Serial Bus) microphone, a bluetooth microphone or an AUX (audio input interface in english), microphone signals transmitted by the USB microphone and the bluetooth microphone are encoded and decoded to be played and recorded, so that a large delay exists, user experience is affected, the AUX microphone needs to be connected with a vehicle-mounted player through a connecting line, the connecting line occupies a space in the vehicle, movement of the microphone is limited, and the user experience is also affected.
Disclosure of Invention
The invention aims to provide a sound processing device and method, a karaoke system and a vehicle, which are used for solving the problem that the karaoke in the vehicle has larger time delay in the prior art.
In order to achieve the above object, according to a first aspect of embodiments of the present disclosure, there is provided a sound processing apparatus including: the device comprises a demodulation module, a playing module and a processing module, wherein the demodulation module is connected with the playing module, and the playing module is connected with the processing module;
the demodulation module is used for demodulating the modulation signal sent by the sound acquisition device to obtain an audio signal and sending the audio signal to the playing module, wherein the modulation signal is a signal sent by the sound acquisition device after the acquired sound is modulated;
the processing module is used for sending a preset accompaniment signal to the playing module;
the playing module is used for mixing the audio signal and the accompaniment signal to acquire a playing signal and play the playing signal.
Optionally, the playing module is further configured to send the audio signal to the processing module;
the processing module is further configured to store the audio signal.
Optionally, the playing module includes: the device comprises a Digital Signal Processor (DSP), a power amplifier and a loudspeaker, wherein the DSP is connected with the power amplifier, and the power amplifier is connected with the loudspeaker;
the DSP is used for mixing the audio signal and the accompaniment signal to obtain the playing signal and sending the playing signal to the power amplifier;
the power amplifier is used for amplifying the playing signal and sending the amplified playing signal to the loudspeaker;
the loudspeaker is used for playing the amplified playing signal.
Optionally, the DSP is further configured to perform digital-to-analog conversion on the playing signal, and send the playing signal subjected to digital-to-analog conversion to the power amplifier.
Optionally, the DSP is further configured to process the audio signal according to preset parameters, and mix the processed audio signal and the accompaniment signal to obtain the playing signal, where the preset parameters include: at least one of equalizer parameters, pitch, timbre, or loudness;
the DSP is also used for sending the processed audio signal to the processing module so that the processing module stores the processed audio signal.
Optionally, the demodulation module includes: the demodulation chip is at least one of a Frequency Modulation (FM) demodulation chip, an Amplitude Modulation (AM) demodulation chip and a single side band modulation (SSB) demodulation chip;
the demodulation chip is used for demodulating the modulation signal to obtain the audio signal, and the audio signal is a digital signal;
the demodulation chip is also used for sending the audio signal to the playing module.
According to a second aspect of the embodiments of the present disclosure, there is provided a sound processing method applied to the sound processing apparatus described in the first aspect, the apparatus including: the device comprises a demodulation module, a playing module and a processing module, wherein the demodulation module is connected with the playing module, the playing module is connected with the processing module, and the method comprises the following steps:
demodulating, by the demodulation module, a modulated signal sent by a sound collection device to obtain an audio signal, and sending the audio signal to the playing module, where the modulated signal is a signal sent by the sound collection device after modulating collected sound;
sending a preset accompaniment signal to the playing module through the processing module;
and mixing the audio signal and the accompaniment signal through the playing module to acquire a playing signal and play the playing signal.
Optionally, the method further comprises:
sending the audio signal to the processing module through the playing module;
and storing the audio signal through the processing module.
Optionally, the playing module includes: digital signal processor DSP, power amplifier and speaker, DSP with power amplifier connects, power amplifier with the speaker is connected, through play module will audio signal with the accompaniment signal carries out the mixing to obtain the broadcast signal, and the broadcast signal includes:
mixing the audio signal and the accompaniment signal through the DSP to obtain the playing signal, and sending the playing signal to the power amplifier;
amplifying the playing signal through the power amplifier, and sending the amplified playing signal to the loudspeaker;
and playing the amplified playing signal through the loudspeaker.
Optionally, the mixing, by the DSP, the audio signal and the accompaniment signal to obtain the playing signal, and sending the playing signal to the power amplifier includes:
and performing digital-to-analog conversion on the playing signal through the DSP, and sending the playing signal subjected to digital-to-analog conversion to the power amplifier.
Optionally, the mixing, by the DSP, the audio signal and the accompaniment signal to obtain the playing signal, and sending the playing signal to the power amplifier includes:
through DSP is to according to presetting the parameter audio signal handles to will process audio signal and the accompaniment signal mixes in order to obtain the broadcast signal, it includes to preset the parameter: at least one of equalizer parameters, pitch, timbre, or loudness;
the sending the audio signal to the processing module through the playing module includes:
and sending the processed audio signal to the processing module through the DSP so that the processing module stores the processed audio signal.
Optionally, the demodulation module includes: the demodulation chip is at least one of a Frequency Modulation (FM) demodulation chip, an Amplitude Modulation (AM) demodulation chip and a single side band modulation (SSB) demodulation chip, demodulates the modulation signal sent by the sound acquisition device through the demodulation module to acquire an audio signal, and sends the audio signal to the playing module, and the demodulation chip comprises:
demodulating the modulation signal through the demodulation chip to obtain the audio signal, wherein the audio signal is a digital signal;
and sending the audio signal to the playing module through the demodulation chip.
According to a third aspect of embodiments of the present disclosure, there is provided a karaoke system, the system including: a sound collection device and the sound processing device described in the first aspect, the sound collection device comprising: the voice processing device comprises a voice acquisition module and a modulation module, wherein the voice acquisition module is used for transmitting acquired voice to the modulation module, and the modulation module is used for modulating the voice to acquire a modulation signal and transmitting the modulation signal to the voice processing device.
According to a fourth aspect of the embodiments of the present disclosure, there is provided a vehicle including the sound processing apparatus of the first aspect and a sound collection apparatus thereon, the sound collection apparatus including: the voice processing device comprises a voice acquisition module and a modulation module, wherein the voice acquisition module is used for transmitting acquired voice to the modulation module, and the modulation module is used for modulating the voice to acquire a modulation signal and transmitting the modulation signal to the voice processing device.
Through above-mentioned technical scheme, sound processing apparatus in this disclosure includes: demodulation module, broadcast module and processing module, demodulation module is connected with broadcast module, broadcast module is connected with processing module, firstly demodulate the modulation signal who is sent by sound collection device through demodulation module, in order to obtain audio signal, and send audio signal to broadcast module, modulation signal is the signal that sound collection device sent after the sound modulation that will gather, rethread processing module will predetermine accompaniment signal send to broadcast module, later carry out the mixing through broadcast module with audio signal and accompaniment signal and acquire broadcast signal, after acquiring broadcast signal, broadcast signal is broadcast through broadcast module. This is disclosed realizes the transmission of sound through the modulation and demodulation mode, need not pass through the coding and decoding process, can realize having no time delay singing, between sound collection system and the sound processing apparatus, does not need the connecting wire simultaneously, has improved user's K and has singed the experience.
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 a sound processing apparatus according to an exemplary embodiment.
Fig. 2 is a block diagram of a play module shown in the embodiment of fig. 1.
FIG. 3 is a flow diagram illustrating a sound processing method according to an example embodiment.
FIG. 4 is a flow diagram illustrating another sound processing method according to an example embodiment.
Fig. 5 is a flow chart of one step 203 shown in the embodiment of fig. 3.
Fig. 6 is a block diagram illustrating a karaoke system according to an exemplary embodiment.
FIG. 7 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 sound processing apparatus, the sound processing method, the karaoke system, and the vehicle provided by the present disclosure, an application scenario related to various embodiments of the present disclosure is first introduced. In the application scene, the sound processing device and the sound collecting device can be arranged on a vehicle, and also can be arranged on other intelligent terminals, the vehicle can be an automobile, and can be suitable for other types of motor vehicles or non-motor vehicles, and the intelligent terminals can be terminals such as an intelligent watch.
Fig. 1 is a block diagram illustrating a sound processing apparatus according to an exemplary embodiment. As shown in fig. 1, the apparatus 100 includes: the device comprises a demodulation module 101, a playing module 102 and a processing module 103, wherein the demodulation module 101 is connected with the playing module 102, and the playing module 102 is connected with the processing module 103.
The demodulation module 101 is configured to demodulate a modulated signal sent by the sound collection device to obtain an audio signal, and send the audio signal to the playing module 102, where the modulated signal is a signal sent by the sound collection device after modulating the collected sound.
Illustratively, the sound collection device includes: the device comprises a sound acquisition module and a modulation module. When a user sings a song, a sound collection module (such as a microphone) collects sound emitted by the user, sends the collected sound to a modulation module, modulates the collected sound according to a preset modulation mode through the modulation module to obtain a modulation signal, and sends the modulation signal to a sound processing device, wherein the modulation mode can be any analog modulation mode, and for example, the method can include the following steps: FM (Frequency Modulation, chinese), AM (Amplitude Modulation, chinese), SSB (Single Side Band, chinese), and the like. After the sound processing apparatus receives the modulation signal, the demodulation module 101 demodulates the modulation signal according to a preset demodulation method to obtain an audio signal, and sends the audio signal to the playing module 102. The demodulation method is a demodulation method corresponding to the modulation method in the audio acquisition apparatus, and may be, for example, FM demodulation, AM demodulation, SSB demodulation, or the like. Since the sound collection device modulates the sound through the modulation module and the sound processing device 100 demodulates the modulated signal through the demodulation module 101, the signals in the modulation and demodulation processes are analog signals, and the audio signals do not need to be encoded and decoded, so that the delay-free transmission of the sound can be realized.
The processing module 103 is configured to send a preset accompaniment signal to the playing module 102.
The playing module 102 is configured to mix the audio signal and the accompaniment signal to obtain a playing signal, and play the playing signal.
For example, the processing module 103 stores a preset accompaniment signal in advance, where the preset accompaniment signal may be a piece of audio preset in the processing module 103 according to specific requirements (for example, name of accompaniment and volume of accompaniment) of the user before the user performs the K song. The processing module 103 sends a preset accompaniment signal to the playing module 102. The playing module 102 mixes the received audio signal and the accompaniment signal to obtain a playing signal (i.e. an audio including the audio signal and the accompaniment signal), and plays the playing signal, thereby implementing the karaoke.
In summary, the sound processing apparatus in the present disclosure includes: demodulation module, broadcast module and processing module, demodulation module is connected with broadcast module, broadcast module is connected with processing module, firstly demodulate the modulation signal who is sent by sound collection device through demodulation module, in order to obtain audio signal, and send audio signal to broadcast module, modulation signal is the signal that sound collection device sent after the sound modulation that will gather, rethread processing module will predetermine accompaniment signal send to broadcast module, later carry out the mixing through broadcast module with audio signal and accompaniment signal and acquire broadcast signal, after acquiring broadcast signal, broadcast signal is broadcast through broadcast module. This is disclosed realizes the transmission of sound through the modulation and demodulation mode, need not pass through the coding and decoding process, can realize having no time delay singing, between sound collection system and the sound processing apparatus, does not need the connecting wire simultaneously, has improved user's K and has singed the experience.
Further, the playing module 102 is further configured to send the audio signal to the processing module 103.
The processing module 103 is further configured to store the audio signal.
For example, the playing module 102 may divide the received audio signal into two paths of the same audio signals, mix one of the paths of audio signals with the accompaniment signal to obtain a playing signal (i.e., an audio signal including the audio signal and the accompaniment signal), and send the other path of audio signal to the processing module 103, so that the processing module 103 stores the audio signal, thereby being capable of recording the sound in real time.
Fig. 2 is a block diagram of a play module shown in the embodiment of fig. 1. As shown in fig. 2, the playing module 102 includes: a DSP (English: Digital Signal Processor, Chinese: Digital Signal Processor) 1021, a power amplifier 1022 and a loudspeaker 1023, wherein the DSP 1021 is connected with the power amplifier 1022, and the power amplifier 1022 is connected with the loudspeaker 1023.
The DSP 1021 is configured to mix the audio signal and the accompaniment signal to obtain a playback signal, and send the playback signal to the power amplifier 1022.
The power amplifier 1022 is configured to amplify the broadcast signal and send the amplified broadcast signal to the speaker 1023.
The speaker 1023 is used for playing the amplified playing signal.
Illustratively, after the playing module 102 receives the audio signal sent by the demodulating module 101 and the accompaniment signal sent by the processing module 103, the playing module 102 mixes the audio signal and the accompaniment signal through the DSP 1021 to obtain a playing signal (when only the audio signal is received, there is no accompaniment signal, the playing signal is an audio signal, when only the accompaniment signal is received, there is no audio signal, the playing signal is an accompaniment signal), and sends the playing signal to the power amplifier 1022, the power amplifier 1022 amplifies the playing signal according to a preset gain, so that the amplified playing signal can drive the speaker 1023, and then sends the amplified playing signal to the speaker 1023, so that the speaker 1023 is driven to play the amplified playing signal, thereby enabling the user to perform non-delay singing.
Optionally, the DSP 1021 is further configured to perform digital-to-analog conversion on the playback signal, and send the digital-to-analog converted playback signal to the power amplifier 1022.
For example, the playing signal obtained by the DSP 1021 may be a digital signal (that is, the audio signal and the accompaniment signal are both digital signals, and therefore, the playing signal obtained by mixing the audio signal and the accompaniment signal is also a digital signal), before the playing signal is sent to the power amplifier 1022, the playing signal may be subjected to digital-to-analog conversion to obtain a playing signal in the form of an analog signal, and then the playing signal subjected to digital-to-analog conversion is sent to the power amplifier 1022, and finally the playing signal is amplified by the power amplifier 1022.
Optionally, the DSP 1021 is further configured to process the audio signal according to preset parameters, and mix the processed audio signal and the accompaniment signal to obtain a playing signal, where the preset parameters include: at least one of equalizer parameters, pitch, timbre, or loudness.
For example, in order to enable the user to obtain a better karaoke experience, the playing module 102 may further process the audio signal according to preset parameters through the DSP 1021, for example, may perform EQ (english: Equalizer) adjustment on the audio signal, change the sound, add a special sound effect to obtain a better singing effect, and mix the processed audio signal and the accompaniment signal to obtain a playing signal. Wherein, the preset parameters include: the preset parameter may be preset in the playing module 102 before the user performs the karaoke song, or may be set in the playing module 102 in real time according to specific requirements during the karaoke song process.
Optionally, the DSP 1021 is further configured to send the processed audio signal to the processing module 103, so that the processing module 103 stores the processed audio signal.
For example, the DSP 1021 and the processing module 103 may be connected through an A2B (english: Automotive audio bus) bus, so that the DSP 1021 may send the processed audio signal to the processing module 103 through an A2B bus, and the processing module 103 may store the processed audio signal after receiving the processed audio signal. Further, the playing module 102 may send the playing signal to the processing module 103 through the DSP 1021, so that the processing module 103 stores the playing signal.
Optionally, the demodulation module 101 includes: the demodulation chip is at least one of a Frequency Modulation (FM) demodulation chip, an Amplitude Modulation (AM) demodulation chip and a single sideband modulation (SSB) demodulation chip.
The demodulation chip is used for demodulating the modulation signal to obtain an audio signal, and the audio signal is a digital signal.
The demodulation chip is further configured to send the audio signal to the playing module 102.
Illustratively, the demodulation module 101 includes a demodulation chip, and after the sound processing apparatus receives the modulated signal, the demodulation chip demodulates the modulated signal according to a preset demodulation manner to obtain an audio signal, and sends the obtained audio signal to the playing module 102. The demodulation chip may be at least one of an FM demodulation chip, an AM demodulation chip, and an SSB demodulation chip according to a difference in demodulation mode of the demodulation chip on the modulation signal. For example, when the modulated signal sent by the sound collection device is an FM modulated signal, an FM demodulation chip may be disposed in the demodulation module 101 to perform FM demodulation on the modulated signal, and output the demodulated audio signal through a digital output interface of the FM demodulation chip, that is, the audio signal output by the demodulation module 101 is a digital signal.
In summary, the sound processing apparatus in the present disclosure includes: demodulation module, broadcast module and processing module, demodulation module is connected with broadcast module, broadcast module is connected with processing module, firstly demodulate the modulation signal who is sent by sound collection device through demodulation module, in order to obtain audio signal, and send audio signal to broadcast module, modulation signal is the signal that sound collection device sent after the sound modulation that will gather, rethread processing module will predetermine accompaniment signal send to broadcast module, later carry out the mixing through broadcast module with audio signal and accompaniment signal and acquire broadcast signal, after acquiring broadcast signal, broadcast signal is broadcast through broadcast module. This is disclosed realizes the transmission of sound through the modulation and demodulation mode, need not pass through the coding and decoding process, can realize having no time delay singing, between sound collection system and the sound processing apparatus, does not need the connecting wire simultaneously, has improved user's K and has singed the experience.
FIG. 3 is a flow diagram illustrating a sound processing method according to an example embodiment. As shown in fig. 3, applied to the sound processing apparatus in fig. 1 or 2, the apparatus includes: the method comprises the following steps of:
in step 201, the modulation signal sent by the sound collection device is demodulated by the demodulation module to obtain an audio signal, and the audio signal is sent to the playing module, where the modulation signal is a signal sent by the sound collection device after modulating the collected sound.
In step 202, a predetermined accompaniment signal is transmitted to the playing module through the processing module.
In step 203, the audio signal and the accompaniment signal are mixed by the playing module to obtain a playing signal, and the playing signal is played.
FIG. 4 is a flow diagram illustrating another sound processing method according to an example embodiment. As shown in fig. 4, the method further comprises the steps of:
in step 204, the audio signal is sent to the processing module through the playing module.
In step 205, the audio signal is stored by the processing module.
Fig. 5 is a flow chart of one step 203 shown in the embodiment of fig. 3. As shown in fig. 5, the play module includes: a digital signal processor DSP, a power amplifier and a loudspeaker, wherein the DSP is connected with the power amplifier, the power amplifier is connected with the loudspeaker, and the step 203 comprises the following steps:
in step 2031, the audio signal and the accompaniment signal are mixed by the DSP to obtain a play signal, and the play signal is sent to the power amplifier.
In step 2032, the playing signal is amplified by the power amplifier and sent to the speaker.
In step 2033, the amplified playback signal is played back through a speaker.
Alternatively, step 2031 may be implemented by:
and performing digital-to-analog conversion on the playing signal through the DSP, and sending the playing signal subjected to the digital-to-analog conversion to the power amplifier.
Alternatively, step 2031 may be implemented by:
the audio signal is processed through the DSP according to preset parameters, and the processed audio signal and the accompaniment signal are mixed to obtain a playing signal, wherein the preset parameters comprise: at least one of equalizer parameters, pitch, timbre, or loudness.
Alternatively, step 204 may be implemented by:
and sending the processed audio signal to the processing module through the DSP so that the processing module stores the processed audio signal.
Optionally, the demodulation module comprises: the demodulation chip is at least one of a Frequency Modulation (FM) demodulation chip, an Amplitude Modulation (AM) demodulation chip and a single sideband modulation (SSB) demodulation chip, and the step 201 can be realized by the following steps:
and demodulating the modulation signal through a demodulation chip to obtain an audio signal, wherein the audio signal is a digital signal.
And sending the audio signal to a playing module through a demodulation chip.
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.
In summary, the sound processing apparatus in the present disclosure includes: demodulation module, broadcast module and processing module, demodulation module is connected with broadcast module, broadcast module is connected with processing module, firstly demodulate the modulation signal who is sent by sound collection device through demodulation module, in order to obtain audio signal, and send audio signal to broadcast module, modulation signal is the signal that sound collection device sent after the sound modulation that will gather, rethread processing module will predetermine accompaniment signal send to broadcast module, later carry out the mixing through broadcast module with audio signal and accompaniment signal and acquire broadcast signal, after acquiring broadcast signal, broadcast signal is broadcast through broadcast module. This is disclosed realizes the transmission of sound through the modulation and demodulation mode, need not pass through the coding and decoding process, can realize having no time delay singing, between sound collection system and the sound processing apparatus, does not need the connecting wire simultaneously, has improved user's K and has singed the experience.
Fig. 6 is a block diagram illustrating a karaoke system according to an exemplary embodiment, and as shown in fig. 6, the system 10 includes: a sound collection device 300 and any one of the sound processing devices 100 shown in fig. 1 or 2, the sound collection device 300 including: sound collection module 301 and modulation module 302, sound collection module 301 is used for sending the sound of gathering to modulation module 302, and modulation module 302 is used for modulating sound to obtain the modulation signal, and will modulate signal transmission to sound processing apparatus 100.
In summary, the sound processing apparatus in the present disclosure includes: demodulation module, broadcast module and processing module, demodulation module is connected with broadcast module, broadcast module is connected with processing module, firstly demodulate the modulation signal who is sent by sound collection device through demodulation module, in order to obtain audio signal, and send audio signal to broadcast module, modulation signal is the signal that sound collection device sent after the sound modulation that will gather, rethread processing module will predetermine accompaniment signal send to broadcast module, later carry out the mixing through broadcast module with audio signal and accompaniment signal and acquire broadcast signal, after acquiring broadcast signal, broadcast signal is broadcast through broadcast module. This is disclosed realizes the transmission of sound through the modulation and demodulation mode, need not pass through the coding and decoding process, can realize having no time delay singing, between sound collection system and the sound processing apparatus, does not need the connecting wire simultaneously, has improved user's K and has singed the experience.
FIG. 7 is a block diagram of a vehicle shown in accordance with an exemplary embodiment. As shown in fig. 7, the vehicle 20 includes a sound collection device 300 and any one of the sound processing devices 100 shown in fig. 1 or 2, the sound collection device 300 including: sound collection module 301 and modulation module 302, sound collection module 301 is used for sending the sound of gathering to modulation module 302, and modulation module 302 is used for modulating sound to obtain the modulation signal, and will modulate signal transmission to sound processing apparatus 100.
In summary, the sound processing apparatus in the present disclosure includes: demodulation module, broadcast module and processing module, demodulation module is connected with broadcast module, broadcast module is connected with processing module, firstly demodulate the modulation signal who is sent by sound collection device through demodulation module, in order to obtain audio signal, and send audio signal to broadcast module, modulation signal is the signal that sound collection device sent after the sound modulation that will gather, rethread processing module will predetermine accompaniment signal send to broadcast module, later carry out the mixing through broadcast module with audio signal and accompaniment signal and acquire broadcast signal, after acquiring broadcast signal, broadcast signal is broadcast through broadcast module. This is disclosed realizes the transmission of sound through the modulation and demodulation mode, need not pass through the coding and decoding process, can realize having no time delay singing, between sound collection system and the sound processing apparatus, does not need the connecting wire simultaneously, has improved user's K and has singed the experience.
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 (14)
1. A sound processing apparatus, characterized in that the apparatus comprises: the device comprises a demodulation module, a playing module and a processing module, wherein the demodulation module is connected with the playing module, and the playing module is connected with the processing module;
the demodulation module is used for demodulating the modulation signal sent by the sound acquisition device to obtain an audio signal and sending the audio signal to the playing module, wherein the modulation signal is a signal sent by the sound acquisition device after the acquired sound is modulated;
the processing module is used for sending a preset accompaniment signal to the playing module;
the playing module is used for mixing the audio signal and the accompaniment signal to acquire a playing signal and play the playing signal.
2. The apparatus of claim 1, wherein the playing module is further configured to send the audio signal to the processing module;
the processing module is further configured to store the audio signal.
3. The apparatus of claim 1, wherein the playback module comprises: the device comprises a Digital Signal Processor (DSP), a power amplifier and a loudspeaker, wherein the DSP is connected with the power amplifier, and the power amplifier is connected with the loudspeaker;
the DSP is used for mixing the audio signal and the accompaniment signal to obtain the playing signal and sending the playing signal to the power amplifier;
the power amplifier is used for amplifying the playing signal and sending the amplified playing signal to the loudspeaker;
the loudspeaker is used for playing the amplified playing signal.
4. The apparatus of claim 3, wherein the DSP is further configured to perform digital-to-analog conversion on the playback signal and send the playback signal subjected to digital-to-analog conversion to the power amplifier.
5. The apparatus of claim 3, wherein the DSP is further configured to process the audio signal according to preset parameters, and to mix the processed audio signal and the accompaniment signal to obtain the playback signal, and the preset parameters include: at least one of equalizer parameters, pitch, timbre, or loudness;
the DSP is also used for sending the processed audio signal to the processing module so that the processing module stores the processed audio signal.
6. The apparatus of claim 1, wherein the demodulation module comprises: the demodulation chip is at least one of a Frequency Modulation (FM) demodulation chip, an Amplitude Modulation (AM) demodulation chip and a single side band modulation (SSB) demodulation chip;
the demodulation chip is used for demodulating the modulation signal to obtain the audio signal, and the audio signal is a digital signal;
the demodulation chip is also used for sending the audio signal to the playing module.
7. A sound processing method applied to a sound processing apparatus according to any one of claims 1 to 6, the apparatus comprising: the device comprises a demodulation module, a playing module and a processing module, wherein the demodulation module is connected with the playing module, the playing module is connected with the processing module, and the method comprises the following steps:
demodulating, by the demodulation module, a modulated signal sent by a sound collection device to obtain an audio signal, and sending the audio signal to the playing module, where the modulated signal is a signal sent by the sound collection device after modulating collected sound;
sending a preset accompaniment signal to the playing module through the processing module;
and mixing the audio signal and the accompaniment signal through the playing module to acquire a playing signal and play the playing signal.
8. The method of claim 7, further comprising:
sending the audio signal to the processing module through the playing module;
and storing the audio signal through the processing module.
9. The method of claim 7, wherein the playback module comprises: digital signal processor DSP, power amplifier and speaker, DSP with power amplifier connects, power amplifier with the speaker is connected, through play module will audio signal with the accompaniment signal carries out the mixing to obtain the broadcast signal, and the broadcast signal includes:
mixing the audio signal and the accompaniment signal through the DSP to obtain the playing signal, and sending the playing signal to the power amplifier;
amplifying the playing signal through the power amplifier, and sending the amplified playing signal to the loudspeaker;
and playing the amplified playing signal through the loudspeaker.
10. The method of claim 9, wherein the mixing, by the DSP, the audio signal and the accompaniment signal to obtain the playback signal, and sending the playback signal to the power amplifier comprises:
and performing digital-to-analog conversion on the playing signal through the DSP, and sending the playing signal subjected to digital-to-analog conversion to the power amplifier.
11. The method of claim 9, wherein the mixing, by the DSP, the audio signal and the accompaniment signal to obtain the playback signal, and sending the playback signal to the power amplifier comprises:
through DSP is to according to presetting the parameter audio signal handles to will process audio signal and the accompaniment signal mixes in order to obtain the broadcast signal, it includes to preset the parameter: at least one of equalizer parameters, pitch, timbre, or loudness;
the sending the audio signal to the processing module through the playing module includes:
and sending the processed audio signal to the processing module through the DSP so that the processing module stores the processed audio signal.
12. The method of claim 7, wherein the demodulation module comprises: the demodulation chip is at least one of a Frequency Modulation (FM) demodulation chip, an Amplitude Modulation (AM) demodulation chip and a single side band modulation (SSB) demodulation chip, demodulates the modulation signal sent by the sound acquisition device through the demodulation module to acquire an audio signal, and sends the audio signal to the playing module, and the demodulation chip comprises:
demodulating the modulation signal through the demodulation chip to obtain the audio signal, wherein the audio signal is a digital signal;
and sending the audio signal to the playing module through the demodulation chip.
13. A karaoke system, comprising: a sound collection device and a sound processing device as claimed in any one of claims 1 to 6, the sound collection device comprising: the voice processing device comprises a voice acquisition module and a modulation module, wherein the voice acquisition module is used for transmitting acquired voice to the modulation module, and the modulation module is used for modulating the voice to acquire a modulation signal and transmitting the modulation signal to the voice processing device.
14. A vehicle characterized by comprising a sound collection device and the sound processing device of any one of claims 1 to 6, the sound collection device comprising: the voice processing device comprises a voice acquisition module and a modulation module, wherein the voice acquisition module is used for transmitting acquired voice to the modulation module, and the modulation module is used for modulating the voice to acquire a modulation signal and transmitting the modulation signal to the voice processing device.
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| CN201910252109.7A CN111754964A (en) | 2019-03-29 | 2019-03-29 | Sound processing device and method, karaoke system and vehicle |
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| CN201910252109.7A CN111754964A (en) | 2019-03-29 | 2019-03-29 | Sound processing device and method, karaoke system and vehicle |
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