WO2021143004A1 - 一种音频信号分流回传方法及系统 - Google Patents

一种音频信号分流回传方法及系统 Download PDF

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WO2021143004A1
WO2021143004A1 PCT/CN2020/092456 CN2020092456W WO2021143004A1 WO 2021143004 A1 WO2021143004 A1 WO 2021143004A1 CN 2020092456 W CN2020092456 W CN 2020092456W WO 2021143004 A1 WO2021143004 A1 WO 2021143004A1
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audio signal
external
usb
built
mixed
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French (fr)
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叶绍勤
詹振华
黄葛玲
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深圳巴金科技有限公司
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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
    • 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
    • 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

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  • the present invention relates to the technical field of smart devices, and in particular to a method and system for shunting and returning audio signals.
  • the smart devices on the market are basically built-in speakers.
  • the audio of the smart device is either sounded through the built-in speaker, or the audio of the smart device is transmitted to an external speaker outside the smart device to sound.
  • the built-in speaker and the external speaker of the smart device can sound at the same time.
  • the advantage of the simultaneous sounding of the built-in speaker and the external speaker of the present invention is that it can realize the surround sound (multiple speakers simultaneously sound) technical effect of the smart device at the fastest and low cost without changing the hardware foundation of the smart device, and increase the user experience.
  • a method for splitting and returning audio signals which is characterized in that it includes:
  • the first audio signal is transmitted back to the built-in speaker of the smart device, and the second audio signal is transmitted to the USB device through USB data.
  • the USB device has a built-in USB sound card module, and after the step S103, the method further includes the following steps:
  • the USB sound card module processes the received second audio signal into multiple channels of audio signals, and then sends the multiple channels of audio signals to multiple external speakers in a wired or wireless manner, respectively.
  • the method further includes the following steps:
  • the USB device also receives an external audio signal, and the USB sound card module processes the external audio signal into a first external audio signal;
  • the audio signal acquiring unit acquires the first external audio signal, and then processes the first external audio signal and the acquired audio signal to generate a first mixed audio signal and a second mixed audio signal , And then return the first mixed audio signal to the built-in speaker of the smart device, and transmit the second mixed audio signal to the USB device through USB data.
  • the method further includes the following steps:
  • the USB sound card module processes the second mixed audio signal into a multi-channel mixed audio signal, and then sends the multi-channel mixed audio signal to a plurality of external speakers in a wired or wireless manner.
  • An audio signal shunting and returning system including: an audio output unit 1, an audio signal acquisition unit 2, a built-in speaker, and a USB device 3;
  • the audio output unit 1 is used to output audio signals
  • 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, and then transmit the first audio signal back to the built-in speaker of the smart device, Transmitting the second audio signal to the USB device 3 through USB data;
  • the built-in speaker is used to receive the returned first audio signal
  • the USB device 3 is used to receive the second audio signal.
  • the USB device 3 has a built-in USB sound card module 4;
  • the USB sound card module 4 is configured to process the first audio signal into multiple channels of audio signals, and then send the multiple channels of audio signals to the external speakers in a wired or wireless manner, respectively.
  • 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 acquiring unit is further configured to acquire the first external audio signal, and then process the first external audio signal and the acquired audio signal to generate a first mixed audio signal and a second mixed audio signal Audio signal, then the first mixed audio signal is transmitted back to the built-in speaker of the smart device, and the second mixed audio signal is transmitted to the USB device 3 through USB data.
  • USB sound card module 4 which is also used to process the second mixed audio signal into a multi-channel mixed audio signal, and then pass the multi-channel mixed audio signal through a wired or wireless To multiple external speakers.
  • the audio signal shunting and returning method and system provided by the present invention realize simultaneous sounding of built-in speakers and external speakers, and can realize smart devices as quickly as possible without changing the hardware foundation of smart devices.
  • the technical effect of surround sound (multi-speaker sound) enhances the user experience.
  • Fig. 1 is a schematic diagram of steps S101-S103 of the audio signal shunting back transmission method provided by the present invention
  • Fig. 2 is a schematic diagram of steps S104-S107 of the audio signal shunting back transmission method provided by the present invention
  • FIG. 3 is a schematic diagram of modules of an audio signal shunting and returning system of an external audio output device provided by the present invention
  • Fig. 4 is a schematic diagram of modules of an audio signal shunting and returning system of an external sound generating device provided by the present invention.
  • the embodiment of the present invention provides a method for splitting and returning an audio signal, which is characterized in that it includes:
  • the first audio signal is transmitted back to the built-in speaker of the smart device, and the second audio signal is transmitted to the USB device through USB data.
  • the built-in speaker and the external speaker can sound at the same time, and the technical effect of the surround sound (multi-speaker sound) of the smart device can be realized fastest without changing the hardware foundation of the smart device, and the user experience can be increased. It can realize the technical effect of audio playback by the external audio playback device while the smart device is playing audio. It is suitable for various occasions such as movie watching, karaoke, speech, etc., and has a wide range of application scenarios.
  • the USB device has a built-in USB sound card module, and after the step S103, it further includes the steps:
  • the USB sound card module processes the received second audio signal into multiple channels of audio signals, and then sends the multiple channels of audio signals to multiple external speakers in a wired or wireless manner, respectively.
  • the method further includes the following steps:
  • the USB device also receives an external audio signal, and the USB sound card module processes the external audio signal into a first external audio signal;
  • the audio signal acquiring unit acquires the first external audio signal, and then processes the first external audio signal and the acquired audio signal to generate a first mixed audio signal and a second mixed audio signal , And then return the first mixed audio signal to the built-in speaker of the smart device, and transmit the second mixed audio signal to the USB device through USB data.
  • the method further includes the following step: S107.
  • the USB sound card module processes the second mixed audio signal into a multi-channel mixed audio signal, and then processes the multi-channel mixed audio signal.
  • the mixed audio signals are respectively sent to multiple external speakers through wired or wireless means.
  • the embodiment of the present invention also provides an audio signal shunting and returning system, including: an audio output unit 1, an audio signal acquisition unit 2, a built-in speaker, and a USB device 3; the audio output unit 1 is configured to output audio signals, the The audio signal acquisition unit 2 is used to acquire the audio signal, divide the audio signal into a first audio signal and a second audio signal, and then transmit the first audio signal back to the built-in speaker of the smart device, and transfer the audio signal to the built-in speaker of the smart device.
  • the second audio signal is transmitted to the USB device 3 through USB data, the built-in speaker is used to receive the returned first audio signal, and the USB device 3 is used to receive the second audio signal.
  • the external sounding device includes at least one external speaker.
  • the external sounding device is powered by The first external speaker, the second external speaker, and the third external speaker are composed of multiple external speakers.
  • the USB device 3 has a built-in USB sound card module 4, and the USB sound card module 4 is used to process the first audio signal into multiple channels of audio signals, and then send the multiple channels of audio signals in a wired or wireless manner. Give the external speaker.
  • the external audio output device includes at least one microphone.
  • the external audio output device It is composed of several microphones such as a first microphone, a second microphone and a third microphone, and the external audio output device outputs an external audio signal.
  • the external audio output device and the external sound generating device may be integrated, which is more convenient for users to use.
  • the USB device 3 is also used 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 acquiring unit is further configured to acquire the first external audio signal, and then process the first external audio signal and the acquired audio signal to generate a first mixed audio signal and a second mixed audio signal Audio signal, then the first mixed audio signal is transmitted back to the built-in speaker of the smart device, and the second mixed audio signal is transmitted to the USB device 3 through USB data.
  • it further includes the USB sound card module 4, which is also used to process the second mixed audio signal into a multi-channel mixed audio signal, and then The multi-channel mixed audio signals are respectively sent to the plurality of external speakers in a wired or wireless manner.

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  • Audiology, Speech & Language Pathology (AREA)
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Abstract

本发明提供一种音频信号分流回传方法及系统，包括：切断智能设备原系统音频信号总输出并且建立新的音频信号获取单元；在所述音频信号获取单元获取到音频信号后，将所述音频信号分成两路音频信号后输出；一路音频信号回传至智能设备的内置喇叭中，另外一路音频信号通过USB数据传输至USB设备。本发明提供的音频信号分流回传方法及系统，实现内置喇叭和外置喇叭同时发声，可以在不改变智能设备硬件基础前提下最快的实现智能设备的环绕声的技术效果，增加用户体验。

Description

一种音频信号分流回传方法及系统 技术领域
本发明涉及智能设备技术领域，特别涉及一种音频信号分流回传方法及系统。
背景技术
目前市场上的智能设备基本都是内置喇叭，智能设备的音频要么通过内置喇叭发声，要么将智能设备的音频传输到智能设备之外的外置喇叭发声，目前还没有一种通用性的技术方案能实现智能设备的内置喇叭和外置喇叭同时发声。本发明的内置喇叭和外置喇叭同时发声的好处在于，可以在不改变智能设备硬件基础前提下最快速和低成本的实现智能设备的环绕声(多喇叭同时发声)技术效果，增加用户体验。
发明内容
本发明提供一种音频信号分流回传方法及系统，解决智能设备的内置喇叭和外置喇叭无法同时发声的技术问题。
为了实现上述目的，本发明提供以下技术方案：
一种音频信号分流回传方法，其特征在于，包括：
S101、切断智能设备原系统音频信号总输出并且建立新的音频信号获取单元；
S102、在所述音频信号获取单元获取到音频信号后，将所述音频信号分成第一音频信号和第二音频信号后输出；
S103、所述第一音频信号回传至智能设备的内置喇叭中，所述第二音频信号通过USB数据传输至USB设备。
优选的，所述USB设备内置USB声卡模块，在所述步骤S103后，进一步包括步骤：
S104、所述USB声卡模块将接收到的第二音频信号处理成多路音频信号， 然后将所述多路音频信号分别通过有线或无线的方式发送给多个外置喇叭。
优选的，在所述步骤S104后，进一步包括步骤：
S105、所述USB设备还接收外部音频信号，所述USB声卡模块将所述外置音频信号处理成第一外置音频信号；
S106、所述音频信号获取单元获取所述第一外置音频信号，然后将所述第一外置音频信号与其获取的音频信号进行处理后生成第一混音音频信号和第二混音音频信号，然后将所述第一混音音频信号回传至智能设备的内置喇叭中，将所述第二混音音频信号通过USB数据传输至USB设备。
优选的，在所述步骤S106后，进一步包括步骤：
S107、所述USB声卡模块将所述第二混音音频信号处理成多路混音音频信号，然后将所述多路混音音频信号分别通过有线或无线的方式发送给多个外置喇叭。
一种音频信号分流回传系统，包括：音频输出单元1、音频信号获取单元2、内置喇叭和USB设备3；
所述音频输出单元1，用于输出音频信号；
所述音频信号获取单元2，用于获取所述音频信号，将所述音频信号分成第一音频信号和第二音频信号，然后将所述第一音频信号回传至智能设备的内置喇叭中，将所述第二音频信号通过USB数据传输至USB设备3；
所述内置喇叭，用于接收回传的所述第一音频信号；
所述USB设备3，用于接收所述第二音频信号。
优选的，还包括至少一个外置喇叭，所述USB设备3内置USB声卡模块4；
所述USB声卡模块4，用于将所述第一音频信号处理成多路音频信号，然后将所述多路音频信号分别通过有线或无线的方式发送给所述外置喇叭。
优选的，还包括，所述USB设备3，还用于接收外部音频信号，所述USB声卡模块4将所述外部音频信号处理成第一外置音频信号；
所述音频信号获取单元，还用于获取所述第一外置音频信号，然后将所述第一外置音频信号与其获取的音频信号进行处理后生成第一混音音频信号和第二混音音频信号，然后将所述第一混音音频信号回传至智能设备的内置喇叭中，将所述第二混音音频信号通过USB数据传输至USB设备3。
优选的，还包括，所述USB声卡模块4，还用于将所述第二混音音频信号处理成多路混音音频信号，然后将所述多路混音音频信号分别通过有线或无线的方式发送给多个所述外置喇叭。
通过实施以上技术方案，具有以下技术效果：本发明提供的音频信号分流回传方法及系统，实现内置喇叭和外置喇叭同时发声，可以在不改变智能设备硬件基础前提下最快的实现智能设备的环绕声(多喇叭发声)的技术效果，增加用户体验。
附图说明
图1为本发明提供的音频信号分流回传方法步骤S101-S103示意图；
图2为本发明提供的音频信号分流回传方法步骤S104-S107示意图；
图3为本发明提供的外置音频输出设备的音频信号分流回传系统的模块示意图；
图4为本发明提供的外置发声设备的音频信号分流回传系统的模块示意图。
具体实施方式
为了更好的理解本发明的技术方案，下面结合附图详细描述本发明提供的实施例。
本发明实施例提供一种音频信号分流回传方法，其特征在于，包括：
S101、切断智能设备原系统音频信号总输出并且建立新的音频信号获取单元；
S102、在所述音频信号获取单元获取到音频信号后，将所述音频信号分成第一音频信号和第二音频信号后输出；
S103、所述第一音频信号回传至智能设备的内置喇叭中，所述第二音频信号通过USB数据传输至USB设备。
通过上述方法，实现内置喇叭和外置喇叭同时发声，可以在不改变智能设备硬件基础前提下最快的实现智能设备的环绕声(多喇叭发声)的技术效果，增加用户体验。实现在智能设备进行音频播放的同时，也可以进行外部音频播放设备进行音频播放的技术效果，适应于观影、K歌、演讲等多种场合，具有广泛的应用场景。
在上述实施例的基础上，在其他实施例中，进一步的，所述USB设备内置USB声卡模块，在所述步骤S103后，进一步包括步骤：
S104、所述USB声卡模块将接收到的第二音频信号处理成多路音频信号，然后将所述多路音频信号分别通过有线或无线的方式发送给多个外置喇叭。
在上述实施例的基础上，在其他实施例中，进一步的，在所述步骤S104后，进一步包括步骤：
S105、所述USB设备还接收外部音频信号，所述USB声卡模块将所述外置音频信号处理成第一外置音频信号；
S106、所述音频信号获取单元获取所述第一外置音频信号，然后将所述第一外置音频信号与其获取的音频信号进行处理后生成第一混音音频信号和第二混音音频信号，然后将所述第一混音音频信号回传至智能设备的内置喇叭中，将所述第二混音音频信号通过USB数据传输至USB设备。
在本实施例中，优选的，在所述步骤S106后，进一步包括步骤：S107、所述USB声卡模块将所述第二混音音频信号处理成多路混音音频信号，然后将所述多路混音音频信号分别通过有线或无线的方式发送给多个外置喇叭。
本发明实施例还提供一种音频信号分流回传系统，包括：音频输出单元1、音频信号获取单元2、内置喇叭和USB设备3；所述音频输出单元1，用于输出音频信号，所述音频信号获取单元2，用于获取所述音频信号，将所述音频信号分成第一音频信号和第二音频信号，然后将所述第一音频信号回传至智能设备的内置喇叭中，将所述第二音频信号通过USB数据传输至USB设备3，所述内置喇叭，用于接收回传的所述第一音频信号，所述USB设备3，用于 接收所述第二音频信号。
在上述实施例的基础上，在其他实施例中，进一步的，还包括外置发声设备，所述外置发声设备包括至少一个外置喇叭，在本实施例中，所述外置发声设备由第一外置喇叭、第二外置喇叭和第三外置喇叭等多个外置喇叭组成。所述USB设备3内置USB声卡模块4，所述USB声卡模块4，用于将所述第一音频信号处理成多路音频信号，然后将所述多路音频信号分别通过有线或无线的方式发送给所述外置喇叭。
在上述实施例的基础上，在其他实施例中，进一步的，还包括外置音频输出设备，所述外置音频输出装置包括至少一个麦克风，在本实施例中，所述外置音频输出装置是有第一麦克风、第二麦克风和第三麦克风等若干个麦克风组成，所述外置音频输出装置输出外置音频信号。在其他实施例中，所述外置音频输出设备和所述外置发声设备可以是一体的，更加方便用户使用。所述USB设备3，还用于接收外部音频信号，所述USB声卡模块4将所述外部音频信号处理成第一外置音频信号。所述音频信号获取单元，还用于获取所述第一外置音频信号，然后将所述第一外置音频信号与其获取的音频信号进行处理后生成第一混音音频信号和第二混音音频信号，然后将所述第一混音音频信号回传至智能设备的内置喇叭中，将所述第二混音音频信号通过USB数据传输至USB设备3。
在上述实施例的基础上，在其他实施例中，进一步的，还包括，所述USB声卡模块4，还用于将所述第二混音音频信号处理成多路混音音频信号，然后将所述多路混音音频信号分别通过有线或无线的方式发送给多个所述外置喇叭。
以上对本发明实施例所提供的音频信号分流回传方法及系统进行了详细介绍，对于本领域的一般技术人员，依据本发明实施例的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本发明的限制。

Claims (8)

  1. 一种音频信号分流回传方法，其特征在于，包括：
    S101、切断智能设备原系统音频信号总输出并且建立新的音频信号获取单元；
    S102、在所述音频信号获取单元获取到音频信号后，将所述音频信号分成第一音频信号和第二音频信号后输出；
    S103、所述第一音频信号回传至智能设备的内置喇叭中，所述第二音频信号通过USB数据传输至USB设备。
  2. 根据权利要求1所述的音频信号分流回传方法，其特征在于，所述USB设备内置USB声卡模块，在所述步骤S103后，进一步包括步骤：
    S104、所述USB声卡模块将接收到的第二音频信号处理成多路音频信号，然后将所述多路音频信号分别通过有线或无线的方式发送给多个外置喇叭。
  3. 根据权利要求2所述的音频信号分流回传方法，其特征在于，在所述步骤S104后，进一步包括步骤：
    S105、所述USB设备还接收外部音频信号，所述USB声卡模块将所述外置音频信号处理成第一外置音频信号；
    S106、所述音频信号获取单元获取所述第一外置音频信号，然后将所述第一外置音频信号与其获取的音频信号进行处理后生成第一混音音频信号和第二混音音频信号，然后将所述第一混音音频信号回传至智能设备的内置喇叭中，将所述第二混音音频信号通过USB数据传输至USB设备。
  4. 根据权利要求3所述的音频信号分流回传方法，其特征在于，在所述步骤S106后，进一步包括步骤：
    S107、所述USB声卡模块将所述第二混音音频信号处理成多路混音音频信号，然后将所述多路混音音频信号分别通过有线或无线的方式发送给多个外置喇叭。
  5. 一种音频信号分流回传系统，其特征在于，包括：音频输出单元(1)、音频信号获取单元(2)、内置喇叭和USB设备(3)；
    所述音频输出单元(1)，用于输出音频信号；
    所述音频信号获取单元(2)，用于获取所述音频信号，将所述音频信号分成第一音频信号和第二音频信号，然后将所述第一音频信号回传至智能设备的内置喇叭中，将所述第二音频信号通过USB数据传输至USB设备(3)；
    所述内置喇叭，用于接收回传的所述第一音频信号；
    所述USB设备(3)，用于接收所述第二音频信号。
  6. 根据权利要求5所述的音频信号分流回传系统，其特征在于，还包括至少一个外置喇叭，所述USB设备(3)内置USB声卡模块(4)；
    所述USB声卡模块(4)，用于将所述第一音频信号处理成多路音频信号，然后将所述多路音频信号分别通过有线或无线的方式发送给所述外置喇叭。
  7. 根据权利要求6所述的音频信号分流回传系统，其特征在于，还包括：
    所述USB设备(3)，还用于接收外部音频信号，所述USB声卡模块(4)将所述外部音频信号处理成第一外置音频信号；
    所述音频信号获取单元，还用于获取所述第一外置音频信号，然后将所述第一外置音频信号与其获取的音频信号进行处理后生成第一混音音频信号和第二混音音频信号，然后将所述第一混音音频信号回传至智能设备的内置喇叭中，将所述第二混音音频信号通过USB数据传输至USB设备(3)。
  8. 根据权利要求7所述的音频信号分流回传系统，其特征在于，还包括：
    所述USB声卡模块(4)，还用于将所述第二混音音频信号处理成多路混音音频信号，然后将所述多路混音音频信号分别通过有线或无线的方式发送给多个所述外置喇叭。
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