CN111263272B - Audio signal shunting and returning method and system - Google Patents
Audio signal shunting and returning method and system Download PDFInfo
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- CN111263272B CN111263272B CN202010061441.8A CN202010061441A CN111263272B CN 111263272 B CN111263272 B CN 111263272B CN 202010061441 A CN202010061441 A CN 202010061441A CN 111263272 B CN111263272 B CN 111263272B
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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
- H04R5/00—Stereophonic arrangements
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/16—Sound input; Sound output
- G06F3/165—Management of the audio stream, e.g. setting of volume, audio stream path
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
- H04S7/305—Electronic adaptation of stereophonic audio signals to reverberation of the listening space
Abstract
The invention provides an audio signal shunting and returning method and system, comprising the following steps: cutting off the total output of the original system audio signals of the intelligent equipment and establishing a new audio signal acquisition unit; after the audio signal acquisition unit acquires an audio signal, dividing the audio signal into two paths of audio signals and outputting the two paths of audio signals; one path of audio signal is transmitted back to a built-in loudspeaker of the intelligent device, and the other path of audio signal is transmitted to the USB device through USB data. The audio signal shunting and returning method and the system provided by the invention have the advantages that the built-in loudspeaker and the external loudspeaker can sound simultaneously, the technical effect of surround sound of the intelligent equipment can be realized most quickly on the premise of not changing the hardware base of the intelligent equipment, and the user experience is increased.
Description
Technical Field
The invention relates to the technical field of intelligent equipment, in particular to an audio signal shunting and returning method and system.
Background
The smart device on the existing market is basically provided with the built-in loudspeaker, the audio frequency of the smart device is either sounded through the built-in loudspeaker, or the audio frequency of the smart device is transmitted to the external loudspeaker outside the smart device to be sounded, and no universal technical scheme is available at present to realize simultaneous sounding of the built-in loudspeaker and the external loudspeaker of the smart device. The built-in loudspeaker and the external loudspeaker of the invention can produce sound simultaneously, and the technical effect of surround sound (simultaneous sound production by multiple loudspeakers) of the intelligent equipment can be realized at the fastest speed and low cost on the premise of not changing the hardware base of the intelligent equipment, and the user experience is increased.
Disclosure of Invention
The invention provides an audio signal shunting and returning method and system, which solve the technical problem that an internal loudspeaker and an external loudspeaker of intelligent equipment cannot sound simultaneously.
In order to achieve the purpose, the invention provides the following technical scheme:
an audio signal splitting and returning method, comprising:
s101, cutting off the total output of the audio signals of the original system of the intelligent equipment and establishing a new audio signal acquisition unit;
s102, after the audio signal acquisition unit acquires an audio signal, dividing the audio signal into a first audio signal and a second audio signal and outputting the first audio signal and the second audio signal;
s103, the first audio signal is transmitted back to a built-in loudspeaker of the intelligent device, and the second audio signal is transmitted to the USB device through USB data.
Preferably, the USB device has a USB sound card module built therein, and after the step S103, the method further includes the steps of:
and S104, the USB sound card module processes the received second audio signal into a plurality of paths of audio signals, and then the plurality of paths of audio signals are respectively sent to a plurality of external loudspeakers in a wired or wireless mode.
Preferably, after the step S104, the method further includes the steps of:
s105, the USB equipment also receives an external audio signal, and the USB sound card module processes the external audio signal into a first external audio signal;
s106, the audio signal acquisition unit acquires the first external audio signal, then the first external audio signal and the audio signal acquired by the first external audio signal are processed to generate a first audio mixing audio signal and a second audio mixing audio signal, then the first audio mixing audio signal is transmitted back to an internal loudspeaker of the intelligent device, and the second audio mixing audio signal is transmitted to the USB device through USB data.
Preferably, after the step S106, the method further includes the steps of:
and S107, the USB sound card module processes the second audio mixing audio signal into a multi-channel audio mixing audio signal, and then sends the multi-channel audio mixing audio signal to a plurality of external loudspeakers in a wired or wireless mode respectively.
An audio signal splitting and postback system comprising: the device comprises an audio output unit 1, an audio signal acquisition unit 2, a built-in loudspeaker and a USB device 3;
the audio output unit 1 is used for outputting audio signals;
the audio signal acquiring unit 2 is configured to acquire the audio signal, divide the audio signal into a first audio signal and a second audio signal, then transmit the first audio signal back to a built-in speaker of the smart device, and transmit the second audio signal to the USB device 3 through USB data;
the built-in loudspeaker is used for receiving the returned first audio signal;
the USB device 3 is configured to receive the second audio signal.
Preferably, the USB device further comprises at least one external loudspeaker, and the USB device 3 is internally provided with a USB sound card module 4;
and the USB sound card module 4 is configured to process the first audio signal into multiple audio signals, and then send the multiple audio signals to the external speaker in a wired or wireless manner.
Preferably, the USB device 3 is further configured to receive an external audio signal, and the USB sound card module 4 processes the external audio signal into a first external audio signal;
the audio signal acquisition unit is further configured to acquire the first external audio signal, process the first external audio signal and the audio signal acquired by the first external audio signal to generate a first audio mixing audio signal and a second audio mixing audio signal, transmit the first audio mixing audio signal back to an internal speaker of the intelligent device, and transmit the second audio mixing audio signal to the USB device 3 through USB data.
Preferably, the USB sound card module 4 is further configured to process the second audio mixing audio signal into a multi-channel audio mixing signal, and then send the multi-channel audio mixing signal to the plurality of external speakers in a wired or wireless manner.
Through implementing above technical scheme, have following technological effect: the audio signal shunting and returning method and the system provided by the invention can realize simultaneous sound production of the internal loudspeaker and the external loudspeaker, can realize the technical effect of surround sound (multi-loudspeaker sound production) of the intelligent equipment at the fastest speed on the premise of not changing the hardware base of the intelligent equipment, and increase the user experience.
Drawings
FIG. 1 is a schematic diagram of steps S101-S103 of an audio signal shunting and returning method according to the present invention;
FIG. 2 is a schematic diagram of steps S104-S107 of an audio signal shunting and returning method according to the present invention;
fig. 3 is a schematic block diagram of an audio signal shunting and returning system of an external audio output device according to the present invention;
fig. 4 is a schematic block diagram of an audio signal shunting and returning system of an external sound generating device according to the present invention.
Detailed Description
In order to better understand the technical scheme of the invention, the following detailed description is made on the embodiments provided by the invention in combination with the accompanying drawings.
The embodiment of the invention provides an audio signal shunting and returning method, which is characterized by comprising the following steps:
s101, cutting off the total output of the audio signals of the original system of the intelligent equipment and establishing a new audio signal acquisition unit;
s102, after the audio signal acquisition unit acquires an audio signal, dividing the audio signal into a first audio signal and a second audio signal and outputting the first audio signal and the second audio signal;
s103, the first audio signal is transmitted back to a built-in loudspeaker of the intelligent device, and the second audio signal is transmitted to the USB device through USB data.
By the method, the built-in loudspeaker and the external loudspeaker can sound simultaneously, the technical effect of surround sound (multi-loudspeaker sound production) of the intelligent equipment can be realized at the fastest speed on the premise of not changing the hardware basis of the intelligent equipment, and the user experience is improved. The technical effect that external audio playing equipment can play audio while the intelligent equipment plays audio is achieved, the intelligent audio playing equipment is suitable for various occasions such as film watching, karaoke, lecture and the like, and the intelligent audio playing equipment has wide application scenes.
On the basis of the foregoing embodiment, in another embodiment, the USB device further includes a USB sound card module, and after step S103, the method further includes the steps of:
and S104, the USB sound card module processes the received second audio signal into a plurality of paths of audio signals, and then the plurality of paths of audio signals are respectively sent to a plurality of external loudspeakers in a wired or wireless mode.
On the basis of the foregoing embodiment, in another embodiment, after the step S104, the method further includes the step of:
s105, the USB equipment also receives an external audio signal, and the USB sound card module processes the external audio signal into a first external audio signal;
s106, the audio signal acquisition unit acquires the first external audio signal, then the first external audio signal and the audio signal acquired by the first external audio signal are processed to generate a first audio mixing audio signal and a second audio mixing audio signal, then the first audio mixing audio signal is transmitted back to an internal loudspeaker of the intelligent device, and the second audio mixing audio signal is transmitted to the USB device through USB data.
In this embodiment, after the step S106, it is preferable to further include the step of: and S107, the USB sound card module processes the second audio mixing audio signal into a multi-channel audio mixing audio signal, and then sends the multi-channel audio mixing audio signal to a plurality of external loudspeakers in a wired or wireless mode respectively.
An embodiment of the present invention further provides an audio signal shunting and returning system, including: the device comprises an audio output unit 1, an audio signal acquisition unit 2, a built-in loudspeaker and a USB device 3; the audio output unit 1 is configured to output an audio signal, the audio signal acquisition unit 2 is configured to acquire the audio signal, divide the audio signal into a first audio signal and a second audio signal, then transmit the first audio signal back to a built-in speaker of the smart device, and transmit the second audio signal to the USB device 3 through USB data, where the built-in speaker is configured to receive the transmitted first audio signal, and the USB device 3 is configured to receive the second audio signal.
On the basis of the above embodiment, in other embodiments, further, still include external sound generating equipment, external sound generating equipment includes at least one external loudspeaker, and in this embodiment, external sound generating equipment comprises a plurality of external loudspeakers such as first external loudspeaker, the external loudspeaker of second and the external loudspeaker of third. The USB device 3 is internally provided with a USB sound card module 4, and the USB sound card module 4 is used for processing the first audio signal into a plurality of paths of audio signals and then sending the plurality of paths of audio signals to the external loudspeaker in a wired or wireless mode.
On the basis of the foregoing embodiment, in other embodiments, the external audio output device further includes an external audio output device, where the external audio output device includes at least one microphone, and in this embodiment, the external audio output device is composed of a plurality of microphones, such as a first microphone, a second microphone, and a third microphone, and outputs an external audio signal. In other embodiments, the external audio output device and the external sound generating device may be integrated, so as to be more convenient for the user to use. The USB device 3 is further configured to receive an external audio signal, and the USB sound card module 4 processes the external audio signal into a first external audio signal. The audio signal acquisition unit is further configured to acquire the first external audio signal, process the first external audio signal and the audio signal acquired by the first external audio signal to generate a first audio mixing audio signal and a second audio mixing audio signal, transmit the first audio mixing audio signal back to an internal speaker of the intelligent device, and transmit the second audio mixing audio signal to the USB device 3 through USB data.
On the basis of the foregoing embodiment, in other embodiments, the USB sound card module 4 is further configured to process the second audio mixing audio signal into multiple audio mixing audio signals, and then send the multiple audio mixing audio signals to the plurality of external speakers in a wired or wireless manner, respectively.
While the audio signal shunting and returning method and system provided by the embodiments of the present invention have been described in detail above, for those skilled in the art, there may be variations in the specific implementation and application scope according to the concepts of the embodiments of the present invention, and in summary, the content of the present description should not be construed as limiting the present invention.
Claims (3)
1. An audio signal splitting and returning method, comprising:
s101, cutting off the total output of the audio signals of the original system of the intelligent equipment and establishing a new audio signal acquisition unit;
s102, after the audio signal acquisition unit acquires an audio signal, dividing the audio signal into a first audio signal and a second audio signal and outputting the first audio signal and the second audio signal;
s103, transmitting the second audio signal to USB equipment through USB data;
s104, a USB sound card module is arranged in the USB equipment, the USB sound card module processes the received second audio signal into a plurality of paths of audio signals, and then the plurality of paths of audio signals are respectively sent to a plurality of external loudspeakers in a wired or wireless mode;
s105, the USB equipment also receives an external audio signal, and the USB sound card module processes the external audio signal into a first external audio signal;
s106, the audio signal acquisition unit acquires the first external audio signal, processes the first external audio signal and the acquired audio signal to generate a first audio mixing audio signal and a second audio mixing audio signal, then transmits the first audio mixing audio signal back to an internal loudspeaker of the intelligent device, and transmits the second audio mixing audio signal to the USB device through USB data;
and S107, the USB sound card module processes the second audio mixing audio signal into a multi-channel audio mixing audio signal, and then sends the multi-channel audio mixing audio signal to a plurality of external loudspeakers in a wired or wireless mode respectively.
2. An audio signal splitting and postback system, comprising: the device comprises an audio output unit (1), an audio signal acquisition unit (2), a built-in loudspeaker and a USB device (3);
the audio output unit (1) is used for outputting an audio signal;
the audio signal acquisition unit (2) is used for acquiring the audio signal, dividing the audio signal into a first audio signal and a second audio signal, then transmitting the first audio signal back to a built-in loudspeaker of the intelligent device, and transmitting the second audio signal to the USB device (3) through USB data;
-the USB device (3) for receiving the second audio signal;
the USB equipment comprises USB equipment (3) and is characterized by also comprising at least one external loudspeaker, wherein a USB sound card module (4) is arranged in the USB equipment (3);
the USB sound card module (4) is used for processing the first audio signal into a plurality of paths of audio signals and then respectively sending the plurality of paths of audio signals to the external loudspeaker in a wired or wireless mode;
the USB device (3) is also used for receiving an external audio signal, and the USB sound card module (4) processes the external audio signal into a first external audio signal;
the audio signal acquisition unit is further used for acquiring the first external audio signal, then generating a first audio mixing audio signal and a second audio mixing audio signal after processing the first external audio signal and the audio signal acquired by the first external audio signal, then transmitting the first audio mixing audio signal back to an internal loudspeaker of the intelligent device, and transmitting the second audio mixing audio signal to the USB device (3) through USB data.
3. The audio signal splitting feedback system of claim 2, further comprising:
the USB sound card module (4) is further used for processing the second audio mixing audio signals into multi-channel audio mixing audio signals, and then sending the multi-channel audio mixing audio signals to the external loudspeakers in a wired or wireless mode respectively.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010061441.8A CN111263272B (en) | 2020-01-19 | 2020-01-19 | Audio signal shunting and returning method and system |
| PCT/CN2020/092456 WO2021143004A1 (en) | 2020-01-19 | 2020-05-27 | Method and system for splitting and returning audio signal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010061441.8A CN111263272B (en) | 2020-01-19 | 2020-01-19 | Audio signal shunting and returning method and system |
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| CN111263272A CN111263272A (en) | 2020-06-09 |
| CN111263272B true CN111263272B (en) | 2022-05-20 |
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| CN202010061441.8A Active CN111263272B (en) | 2020-01-19 | 2020-01-19 | Audio signal shunting and returning method and system |
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| WO (1) | WO2021143004A1 (en) |
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- 2020-05-27 WO PCT/CN2020/092456 patent/WO2021143004A1/en active Application Filing
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| CN203733282U (en) * | 2014-01-27 | 2014-07-23 | 福建海媚数码科技有限公司 | WIFI (Wireless Fidelity)-based outdoor music play device for realizing audio access |
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| WO2021143004A1 (en) | 2021-07-22 |
| CN111263272A (en) | 2020-06-09 |
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