CN116887122A - Sound mixing device and sound mixing method based on intelligent system - Google Patents
Sound mixing device and sound mixing method based on intelligent system Download PDFInfo
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- CN116887122A CN116887122A CN202310798193.9A CN202310798193A CN116887122A CN 116887122 A CN116887122 A CN 116887122A CN 202310798193 A CN202310798193 A CN 202310798193A CN 116887122 A CN116887122 A CN 116887122A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
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Abstract
The invention discloses a sound mixing device and a sound mixing method based on an intelligent system, wherein the sound mixing device comprises the intelligent system, a DSP processor connected with the intelligent system and at least one microphone connected with the DSP processor; the intelligent system is provided with an application program and a DOLBY/DTS decoder, and the DSP processor is provided with a microphone sound receiving module, a microphone sound processing module, a background sound sampling rate conversion module, a background sound processing module, a sound mixing module and an output module. According to the invention, the DOLBY/DTS decoder is arranged on the intelligent system, the background sound in the application program is subjected to surround sound decoding, the DSP processor processes the decoded audio, meanwhile, the microphone sound input by the microphone is processed, the system audio is converted into the same sampling rate as the microphone sound and then mixed, and finally, the mixed audio is output through the multi-channel output module, so that the requirements of people on watching and entertainment at home can be met.
Description
[ field of technology ]
The invention relates to the technical field of intelligent home, in particular to a sound mixing device and a sound mixing method based on an intelligent system.
[ background Art ]
Karaoke is an accompaniment system in which a singer can participate in singing under prerecorded musical accompaniment, which can make the singer's voice beautify and smooth through sound processing, and becomes an integrated stereo song when organically combined with the musical background accompaniment. The accompaniment mode brings great convenience and pleasure to singers. However, the current karaoke is limited to fixed places such as KTV families or parties, is limited to time and space, and greatly limits the entertainment willingness of users.
Along with the rapid development of science and technology and the pursuit of people for high-quality entertainment enjoyment, the pursuit of people for families for video and audio is promoted, more and more families hope to realize singing, watching video and audio entertainment and online education at home, in cinema, a movie steps to a 3D stereoscopic movie from a planar movie, sound also walks to the omnibearing stereoscopic surrounding effect of space from planar surround sound, and also, more and more people in families start to arrange a multichannel surround sound system, but in the scene of families, the video and audio system capable of realizing the omnibearing surrounding effect is very few. Conventional products require multiple devices and complex connections to implement, most often using multiple device combinations of a set top box + a karaoke processor + a surround sound decoder + a power amplifier. However, households are often limited to space and purchase costs, and the popularization of such combinations is limited.
The system which is built in the home environment and can enjoy movies and music close to the cinema effect can enable home users to enjoy video discs surrounding the cinema effect at home and listen to music brought by professional-level sound, and the support of karaoke entertainment is the problem to be solved at present.
In view of the above, the present inventors have intensively conceived to solve the drawbacks and inconveniences caused by the need to use various equipment combinations in the conventional home theater system to realize the stereo surround sound, and have actively studied and tried to develop the present invention.
[ invention ]
The invention aims to overcome the defects of the prior art and provide the intelligent system-based sound mixing device which can meet the sound quality requirements of users during film watching and meet the requirements of people on high-quality karaoke entertainment.
In order to solve the above object, the solution of the present invention is:
the intelligent system-based sound mixing device comprises an intelligent system, a DSP processor connected with the intelligent system and at least one microphone connected with the DSP processor; the intelligent system is provided with an application program, a multi-channel DOLBY/DTS decoder connected with the application program and a sampling rate conversion module, the DSP processor is provided with a microphone sound receiving module, a microphone sound processing module, a background sound processing module, a sound mixing module and an output module with multiple channels, the microphone sound receiving module is connected with a microphone, the microphone sound processing module is connected with the microphone sound receiving module, the sampling rate conversion module is connected with the DOLBY/DTS decoder, the background sound processing module is connected with the sampling rate conversion module, the microphone sound processing module and the background sound processing module are respectively connected with the sound mixing module, and the sound mixing module is connected with the output module.
Further, the output module of the DSP processor comprises a multichannel sound box equalization module and a multichannel sound box power limiting module connected with the sound box equalization module, and the sound box equalization module is connected with the sound mixing module.
Further, the sample rate conversion module is an ASRC.
Further, the microphone is provided with an acquisition module, an AD conversion module and a transmitting module, wherein the AD conversion module is connected with the acquisition module, and the transmitting module is connected with the AD conversion module.
Further, the background sound processing module comprises a music volume control module, a music balancing module and a music bass management module, and the microphone sound processing module comprises a microphone volume control module, a microphone balancing module and a microphone effect sound processing module.
Another object of the present invention is to overcome the deficiencies of the prior art and provide an intelligent system-based audio mixing method that can meet the requirements of users for sound quality during viewing, and at the same time, meet the requirements of people for high-quality karaoke entertainment.
In order to solve the above object, the solution of the present invention is:
an intelligent system-based audio mixing method comprises the following steps:
step one, a microphone sends microphone sound of a digital signal to a DSP processor;
step two, a microphone sound receiving module of the DSP receives microphone sound sent by a microphone;
step three, the intelligent system invokes background sounds corresponding to the microphone sounds in the application program, decodes the background sounds through a multi-channel DOLBY/DTS decoder, converts the decoded background sounds into background sounds with the same sampling frequency as the microphone sounds through a sampling rate conversion module, and sends the background sounds to a DSP processor;
dividing the microphone sound and the background sound into two paths by the DSP processor, wherein one path processes the microphone sound and the other path processes the background sound;
step five, the DSP processor carries out mixed processing on the processed background sound and the microphone sound;
and step six, the DSP processor sends the mixed audio to a multi-channel output module for output.
Further, the output module comprises a multichannel sound box equalizing module and a multichannel sound box power limiting module connected with the sound box equalizing module, and the audio after the mixing in the step six is sent to the multichannel sound box equalizing module and then output through a multichannel sound box power limiter.
Further, the specific steps of the first step are as follows: the microphone collects microphone sound of the preset frequency of the analog signal, the microphone sound of the analog signal is converted into the microphone sound of the digital signal through the AD conversion module, and the microphone sound of the digital signal is sent to the DSP through the transmitting module.
Further, the intelligent system is any one of android, IOS and hong Meng.
Furthermore, the DSP processor adopts three DSP processing chips to carry out digital effect processing on microphone sound collected by a microphone and music in an application program of an intelligent system, such as equalization, high pass, low pass, squelch, phase shift, reverberation and the like, so that the problem of Karaoke howling is thoroughly solved, the tone is more perfect, and the penetration force is stronger. Through balanced compensation of the voice and the EQ, the singing voice and accompaniment are more perfect and can be heard, so that the user can finish singing more gracefully and confident while enjoying graceful music.
After the structure is adopted, the intelligent system-based sound mixing device and the intelligent system-based sound mixing method are characterized in that the multichannel DOLBY/DTS decoder is arranged on the intelligent system, surround sound decoding is carried out on background sounds in application programs, audio output by the system is processed through a DSP (digital signal processor) connected with the intelligent system, microphone sounds input by a microphone are processed at the same time, the background sounds are converted into audio files with the same sampling rate as the microphone sounds and then are mixed with the microphone sounds, finally, the audio files are output through the multichannel output module, so that the requirements of people on watching movies and entertainment at home can be met, the feeling of being in the scene and surrounding the movie in a movie theatre can be experienced for users in a small environment, meanwhile, the requirements of people on high-quality karaoke are met, and the perfect combination of watching movies and karaoke is realized.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of a sound mixing device based on an intelligent system according to the present invention.
Fig. 2 is a flowchart of a mixing method based on an intelligent system according to the present invention.
[ detailed description ] of the invention
In order to further explain the technical scheme of the invention, the invention is explained in detail by specific examples.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientation or positional relationship based on that shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
As shown in fig. 1, the present invention discloses a sound mixing device based on an intelligent system, which comprises an intelligent system 1, a DSP processor 2 connected with the intelligent system 1, and at least one microphone 3 connected with the DSP processor 2; the intelligent system 1 is any one of the existing intelligent systems such as an android system, an IOS system or a hong-mo system, the intelligent system is provided with an application 11, a DOLBY/DTS decoder 12 connected with a 6/8 channel of the application 11, and a sampling rate conversion module 13, and the application 11 can provide audio and video contents.
The DSP processor 2 has a microphone sound receiving module 21, a microphone sound processing module 24, a background sound sampling rate conversion module 25, a background sound processing module 26, a mixing module 27 and an output module 28 with multiple channels, the microphone sound receiving module 21 is connected with the microphone 3, in this embodiment, the microphone 3 has an acquisition module 31, an AD conversion module 32 and an RF transmitting module 33, and the microphone sound receiving module 21 is an RF receiving module corresponding to the FR transmitting module 33 of the microphone 3. The acquisition module of the microphone 3 is used for acquiring microphone sound with a preset sampling rate, the AD conversion module 32 is used for converting the microphone sound of the analog signal into the microphone sound of the digital signal, and the RF emission module 33 is used for sending the microphone sound of the digital signal to the DSP processor. The microphone sound processing module 24 includes a microphone volume control module 241, a microphone equalization module 242, and a microphone effect sound processing module 243. The sampling rate conversion module 13 is connected to the DOLBY/DTS decoder 12, and is configured to convert the decoded background sound into the same sampling frequency (48 KHz) as the microphone sound, and in this embodiment, the sampling rate conversion module 25 is an ASRC, and the mixing can be performed only after the sampling rates of the background sound and the microphone sound are the same. The background sound processing module 26 is connected to the sampling rate conversion module 13 for processing the background sound, and the background sound processing module 26 includes a music volume control module 261, a music equalizing module 262 and a music bass management module 263.
The microphone sound processing module 24 and the background sound processing module 26 are respectively connected with the mixing module 27, the microphone sound with the same sampling rate and the background music in the intelligent system 1 are mixed through the mixing module 27, and the multi-channel output module 28 is connected with the mixing module 27 for outputting the mixed audio. The output module 28 includes a multi-channel speaker equalization module 281 and a multi-channel speaker power limit module 282 coupled to the speaker equalization module 281, where the speaker equalization module 281 is coupled to the mixing module 27.
As shown in fig. 2, the invention also discloses a sound mixing method based on the intelligent system, which comprises the following steps:
step one, a microphone sends microphone sound of a digital signal to a DSP processor; specifically, the microphone collects microphone sound of a preset frequency of an analog signal, the microphone sound of the analog signal is converted into microphone sound of a digital signal through the AD conversion module, and then the microphone sound of the digital signal is sent to the DSP through the transmitting module.
Step two, a microphone sound receiving module of the DSP receives microphone sound sent by a microphone;
step three, the intelligent system invokes background sounds corresponding to the microphone sounds in the application program, decodes the background sounds through a multi-channel DOLBY/DTS decoder, converts the decoded background sounds into background sounds with the same sampling frequency as the microphone sounds through a sampling rate conversion module, and sends the background sounds to a DSP processor;
dividing the microphone sound and the background sound into two paths by the DSP processor, wherein one path processes the microphone sound and the other path processes the background sound;
step five, the DSP processor carries out mixed processing on the processed background sound and the processed microphone sound;
and step six, the DSP processor sends the mixed audio to the multichannel loudspeaker box equalizing module and outputs the mixed audio through the multichannel loudspeaker box power limiter.
The intelligent system is any one of android, IOS and hong Meng.
The DSP processor adopts three DSP processing chips to process digital effects of microphone sound collected by the microphone and music in application programs of the intelligent system, such as equalization, high pass, low pass, squelch, phase shift, reverberation and the like, thoroughly solves the problem of Karaoke howling, ensures that tone is more perfect and has stronger penetrating power. Through balanced compensation of the voice and the EQ, the singing voice and accompaniment are more perfect and can be heard, so that the user can finish singing more gracefully and confident while enjoying graceful music.
The invention relates to a sound mixing device and a sound mixing method based on an intelligent system, wherein a multichannel DOLBY/DTS decoder is arranged on the intelligent system, surround sound decoding is carried out on background sound in an application program, audio output by the system is processed through a DSP processor connected with the intelligent system, microphone sound input by a microphone is processed, the background sound is converted into an audio file with the same sampling rate as the microphone sound, and then the audio file is mixed, and finally the audio file is output through a multichannel output module, so that the requirements of people on watching movies and entertainment at home can be met, the feeling of reality and surrounding feeling of people watching movies in movie theatres can be experienced in a small environment, the requirements of people on high-quality karaoke can be met, and the perfect combination of watching movies and karaoke can be realized.
The DOLBY/DTS decoder can realize the surround sound decoding processing of the intelligent system, such as audio decoding of DOLBY, DTS and the like. The dolby panoramic sound realizes adaptive playback, ensures that the effect closest to the original user can be played under any environment and different loudspeaker configurations, brings strong brand new listening experience to movie audiences through more natural and real sound effects, and truly surrounds the audiences. The DTS technology is an open new generation coding and decoding standard and is also an object-based multidimensional space audio technology, and the DTS can present life-like and lifelike entertainment experience in a cinema or home environment, so that a viewer can obtain an immersive enclosure experience without dimension, and a user of the cinema or home theater can perform personalized setting in various ways to obtain the best effect. The DTS audio is different from the existing surround sound system, is not limited by the fixed-position loudspeaker positioning or specific channel signals, and can be flexibly debugged according to different playback environments, so that the optimal sound effect performance under the environment is obtained. It can also create realistic sound effects at accurate location points around the audience, creating richer soundscapes. By installing the DOLBY/DTS decoder in the intelligent system, surround sound decoding in the intelligent system can be achieved.
The above examples and drawings are not intended to limit the form or form of the present invention, and any suitable variations or modifications thereof by those skilled in the art should be construed as not departing from the scope of the present invention.
Claims (10)
1. The intelligent system-based sound mixing device is characterized by comprising an intelligent system, a DSP processor connected with the intelligent system and at least one microphone connected with the DSP processor; the intelligent system is provided with an application program, a multi-channel DOLBY/DTS decoder connected with the application program and a sampling rate conversion module, the DSP processor is provided with a microphone sound receiving module, a microphone sound processing module, a background sound processing module, a sound mixing module and an output module with multiple channels, the microphone sound receiving module is connected with a microphone, the microphone sound processing module is connected with the microphone sound receiving module, the sampling rate conversion module is connected with the DOLBY/DTS decoder, the background sound processing module is connected with the sampling rate conversion module, the microphone sound processing module and the background sound processing module are respectively connected with the sound mixing module, and the sound mixing module is connected with the output module.
2. The intelligent system-based mixing apparatus of claim 1, wherein: the output module of the DSP processor comprises a multichannel sound box equalization module and a multichannel sound box power limiting module connected with the sound box equalization module, and the sound box equalization module is connected with the sound mixing module.
3. The intelligent system-based mixing apparatus of claim 1, wherein: the sample rate conversion module is an ASRC.
4. The intelligent system-based mixing apparatus of claim 1, wherein: the microphone is provided with an acquisition module, an AD conversion module and a transmitting module, wherein the AD conversion module is connected with the acquisition module, and the transmitting module is connected with the AD conversion module.
5. The intelligent system-based mixing apparatus of claim 1, wherein: the background sound processing module comprises a music volume control module, a music equalization module and a music bass management module, and the microphone sound processing module comprises a microphone volume control module, a microphone equalization module and a microphone effect sound processing module.
6. The sound mixing method of the sound mixing device based on the intelligent system is characterized by comprising the following steps of:
step one, a microphone sends microphone sound of a digital signal to a DSP processor;
step two, a microphone sound receiving module of the DSP receives microphone sound sent by a microphone;
step three, the intelligent system invokes background sounds corresponding to the microphone sounds in the application program, decodes the background sounds through a multi-channel DOLBY/DTS decoder, converts the decoded background sounds into background sounds with the same sampling frequency as the microphone sounds through a sampling rate conversion module, and sends the background sounds to a DSP processor;
dividing the microphone sound and the background sound into two paths by the DSP processor, wherein one path processes the microphone sound and the other path processes the background sound;
step five, the DSP processor carries out mixed processing on the processed background sound and the microphone sound;
and step six, the DSP processor sends the mixed audio to a multi-channel output module for output.
7. The method for mixing a sound mixing device based on an intelligent system as claimed in claim 6, wherein: the output module comprises a multichannel sound box equalizing module and a multichannel sound box power limiting module connected with the sound box equalizing module, and the audio after the mixing in the step six is sent to the multichannel sound box equalizing module and then output through a multichannel sound box power limiter.
8. The method for mixing a sound mixing device based on an intelligent system according to claim 6, wherein: the specific steps of the first step are as follows: the microphone collects microphone sound of the preset frequency of the analog signal, the microphone sound of the analog signal is converted into the microphone sound of the digital signal through the AD conversion module, and the microphone sound of the digital signal is sent to the DSP through the transmitting module.
9. The method for mixing a sound mixing device based on an intelligent system as claimed in claim 6, wherein: the intelligent system is any one of android, IOS and hong Meng.
10. The method for mixing a sound mixing device based on an intelligent system as claimed in claim 6, wherein: and the DSP processor adopts three DSP processing chips to carry out digital effect processing on microphone sound collected by the microphone and music in an application program of the intelligent system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310798193.9A CN116887122A (en) | 2023-06-30 | 2023-06-30 | Sound mixing device and sound mixing method based on intelligent system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310798193.9A CN116887122A (en) | 2023-06-30 | 2023-06-30 | Sound mixing device and sound mixing method based on intelligent system |
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| CN116887122A true CN116887122A (en) | 2023-10-13 |
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| CN202310798193.9A Pending CN116887122A (en) | 2023-06-30 | 2023-06-30 | Sound mixing device and sound mixing method based on intelligent system |
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- 2023-06-30 CN CN202310798193.9A patent/CN116887122A/en active Pending
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