WO2023184660A1 - 一种沉浸式录音方法及装置 - Google Patents

一种沉浸式录音方法及装置 Download PDF

Info

Publication number
WO2023184660A1
WO2023184660A1 PCT/CN2022/092604 CN2022092604W WO2023184660A1 WO 2023184660 A1 WO2023184660 A1 WO 2023184660A1 CN 2022092604 W CN2022092604 W CN 2022092604W WO 2023184660 A1 WO2023184660 A1 WO 2023184660A1
Authority
WO
WIPO (PCT)
Prior art keywords
ear
microphone
recording
channel microphone
signal
Prior art date
Application number
PCT/CN2022/092604
Other languages
English (en)
French (fr)
Inventor
王***
Original Assignee
王***
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 王*** filed Critical 王***
Publication of WO2023184660A1 publication Critical patent/WO2023184660A1/zh

Links

Images

Classifications

    • 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
    • H04R5/027—Spatial or constructional arrangements of microphones, e.g. in dummy heads
    • 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
    • H04R5/033—Headphones for stereophonic communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/07—Applications of wireless loudspeakers or wireless microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/15—Aspects of sound capture and related signal processing for recording or reproduction

Definitions

  • the invention belongs to the field of recording technology and relates to an immersive recording method and device.
  • immersive experience has quickly been recognized by manufacturers and ordinary users, such as VR glasses, AR glasses, 3D movies, 5D games, etc., and have gradually entered human life; the realization of immersive experience It creates an atmosphere by inducing the human body's hearing, vision, touch, etc. to integrate the participants into the scene, allowing users to more realistically experience the atmosphere of the scene.
  • the listening experience of immersive experience is closely related to audio technology. If users want to create content or record on-site anytime and anywhere, they usually use mobile phones, ordinary Bluetooth headsets, microphones, etc. to record audio and video.
  • the recorded audio content is basically a mono signal, and during playback, it can only simply play back the live audio. Mono sound content, and ordinary users are limited by the lack of professional equipment (which has the characteristics of complex adjustment, expensive, bulky, etc.), so they are unable to participate in immersive live recording.
  • the purpose of the present invention is to provide an immersive recording method and device in view of the shortcomings of the existing technology.
  • the sound information picked up by the two ear units can be transmitted to the terminal device respectively, ensuring that the recording device can Better connect to a terminal device with recording function to achieve two-channel immersive recording of audio.
  • An immersive recording method applied to a wearable device The wearable device is provided with a left channel microphone and a right channel microphone.
  • the recording method includes:
  • the left channel microphone signal and the right channel microphone signal are respectively sent to a terminal device wirelessly connected to the wearable device for mixed sound processing to obtain a stereo recording file.
  • the recording process is performed when the wearable device is worn on the user's ear.
  • the left channel microphone is located at the left pinna of the ear
  • the right channel microphone is located at the left pinna of the ear. The position of the right auricle of the head.
  • sending the left channel microphone signal and the right channel microphone signal to a terminal device signal-connected to the wearable device includes:
  • the first digital signal and the second digital signal are respectively sent to the terminal device signal-connected to the wearable device.
  • the present invention also provides a recording device.
  • the recording device includes: two ear units respectively used to be worn at the ears, wherein each ear unit includes:
  • An audio collection unit the audio collection unit is used to record environmental sounds at a corresponding ear of the user;
  • a wireless connection unit which is used to wirelessly connect the two ear units to the terminal device respectively.
  • the audio collection unit includes: a first microphone and a second microphone.
  • the first microphone is provided on the ear unit and faces toward the inside of the ear, and is used to collect the audio inside the auricle of the ear.
  • the second microphone is provided on the ear unit and is located on the side facing away from the inside of the ear, and is used to collect audio signals outside the auricle of the ear.
  • the audio collection unit further includes: a third microphone, which is disposed close to the bottom inside the ear unit and is used to collect voice signals.
  • each ear unit is further provided with an audio codec and a digital audio processor, and the audio codec is connected to the first microphone, the second microphone and the third microphone at the same time, so The digital audio processor is connected to the audio codec and the wireless connection unit.
  • the audio signals of the two ear units are respectively transmitted to the terminal device through the LEAudio protocol of BT5.2.
  • the recording device further includes: a USB Dongle device. Both the USB Dongle device and the ear unit are provided with modules for sending and receiving signals. By inserting the USB Dongle device on the terminal device, the two Each ear unit is wirelessly connected to the terminal device respectively.
  • the wireless connection unit includes: a baseband data and protocol processor and a Bluetooth radio frequency transceiver module; the baseband data and protocol processor is connected to the Bluetooth radio frequency transceiver module to establish Bluetooth communication based on the Bluetooth physical layer link, enabling the ear unit to establish communication with the terminal device.
  • the wearable device By acquiring the left channel microphone signal collected by the left channel microphone of the wearable device and the right channel microphone signal collected by the right channel microphone; sending the left channel microphone signal and the right channel microphone signal to
  • the wearable device is a wirelessly connected terminal device.
  • the recording device is connected to the terminal device for recording, the two ear units can pick up the real sound information entering the human ear, and the sound information picked up by the two ear units can be transmitted separately. Save it in the terminal device, so that when the two ear units are worn on the user's ears respectively and the terminal device is controlled to play the above sound information, the recorded sounds can be restored by both ears, ensuring that the user can judge the sound through these sound information position, intensity and other information to achieve immersive audio recording.
  • Figure 1 is a schematic flow diagram of the present invention
  • Figure 2 is a working principle diagram of the user during immersive recording in the present invention
  • Figure 3 is a schematic diagram of the signal path when the user is recording in an immersive manner in the present invention.
  • Figure 4 is a schematic diagram of the principle of one of the ear units in the present invention.
  • an immersive recording method is applied to a wearable device.
  • the wearable device is provided with a left channel microphone and a right channel microphone.
  • the recording method includes: obtaining the left channel of the wearable device.
  • the left channel microphone signal collected by the microphone and the right channel microphone signal collected by the right channel microphone; the left channel microphone signal and the right channel microphone signal are respectively sent to the terminal wirelessly connected to the wearable device Equipment, the terminal equipment is used to mix the left channel microphone signal and the right channel microphone signal to obtain a stereo recording file, and save the stereo file;
  • the recording process is performed when the wearable device is worn on It is performed when the user's ear is on the ear, the left channel microphone is located at the left auricle of the ear, and the right channel microphone is located at the right auricle of the ear.
  • sending the left channel microphone signal and the right channel microphone signal to a terminal device signal-connected to the wearable device includes: converting the left channel microphone signal into a first digital signal; convert the right channel microphone signal into a second digital signal; send the first digital signal and the second digital signal respectively to the terminal device signal-connected to the wearable device.
  • the present invention also provides a recording device.
  • the recording device includes: two ear units respectively for wearing at the ears, wherein each ear unit includes: an audio collection unit and a wireless connection. unit, the audio collection unit is used to record environmental sounds at a corresponding ear of the user; the wireless connection unit is used to wirelessly connect the two ear units to the terminal device respectively; in this embodiment, the terminal device is capable of running recording
  • the software is used to realize the recording function of mobile phones, tablets, computers and other devices.
  • the recording device is a wireless earphone. In other embodiments, electronic glasses, wired earphones, etc. can also be selected as the recording device of this application.
  • each ear unit sets each ear unit to include: an acoustic converter, an audio collection unit and a wireless connection unit.
  • the acoustic converter is used to convert electrical energy into sound energy
  • the audio collection unit is used to record environmental sounds at the corresponding ear of the user.
  • the wireless connection unit is used to wirelessly connect the two ear units to the terminal equipment respectively.
  • the two ear units can pick up the real sound information entering the human ear, and the two ear units pick up
  • the sound information can be stored in the terminal device through their respective wireless transmission units to realize the two-channel uplink of the audio signal, so that when the two ear units are worn on the user's ears respectively and the terminal device is controlled to play the above sound information , both ears can restore the recorded sound, ensuring that users can judge the location, intensity and other information of the sound through this sound information, thereby achieving immersive audio recording.
  • the audio collection unit includes: a first microphone and a second microphone.
  • the first microphone is provided on the ear unit and faces toward the inside of the ear, and is used to collect the audio inside the auricle of the ear.
  • the second microphone is provided on the ear unit and is located on the side facing away from the inside of the ear, and is used to collect the audio signal outside the auricle of the ear.
  • the settings of the first microphone and the second microphone ensure that both sides can receive the signal during recording. The sound information collected by individual ear units can be more accurate.
  • the audio collection unit further includes: the third microphone.
  • the third microphone is provided near the bottom inside the ear unit for collecting voice signals. The setting of the third microphone ensures that the wireless headset can achieve Call function.
  • each ear unit is further provided with an audio codec and a digital audio processor, and the audio codec is connected to the first microphone, the second microphone and the third microphone at the same time, so The digital audio processor is connected to the audio codec and the wireless connection unit.
  • the first microphone, the second microphone and the third microphone receive audio signals
  • the first microphone, the second microphone and the third microphone can The received audio signal is transmitted to the audio codec for processing.
  • the audio signal processed by the audio codec is transmitted to the digital audio processor for processing, and transmitted to the terminal device for storage through the wireless transmission unit, thereby completing the immersion of the terminal device. style recording.
  • the recording device also includes: a USB Dongle device. Both the USB Dongle device and the ear unit are provided with modules for sending and receiving signals. Since the classic Bluetooth HSP/HFP protocol is a mono call uplink The method cannot achieve dual-channel uplink, so the USB Dongle is set up to receive the audio signal recorded by the left/right earphones and synthesize the required two-channel signal, and connect the USB Dongle to the terminal device so that the two ear units are connected to the terminal respectively. The devices are connected wirelessly. In another embodiment, the audio signals of the two ear units can also be transmitted to the terminal device respectively through the LEAudio protocol of BT5.2.
  • USB Bluetooth Dongle which is actually a Bluetooth adapter
  • LE-audio is a new generation of Bluetooth technology standard. Its main features are: low power consumption and high performance, especially its support of "multiple audio stream technology" which will TWS (True Wireless) headsets have a disruptive impact. To put it simply: the current Bluetooth transmitting device can only connect to a single receiving device. After receiving the Bluetooth signal, one unit in the TWS headset has to forward one channel of information to another. On one earphone, under the LE-audio standard, the transmitter can be directly connected to the TWS left and right units at the same time, greatly reducing latency and improving stability.
  • each ear unit is also provided with a power supply module for power supply.
  • the power supply module is arranged to ensure that each ear unit can work normally alone.
  • the power supply module is a lithium battery.
  • the wireless connection unit includes: a baseband data and protocol processor and a Bluetooth radio frequency transceiver module; the baseband data and protocol processor is connected to the Bluetooth radio frequency transceiver module to establish Bluetooth communication based on the Bluetooth physical layer link, enabling the ear unit to communicate with the end device.
  • the left/right ear voice uplink signal process during recording is: open the recording software on the terminal device, the first microphone on the two ear units receives the sound signal from the external environment, and passes through the third A microphone processes the analog audio signal and transmits it to the audio codec in each ear unit for encoding processing, thereby converting the analog audio signal into a digital audio signal and transmitting it to the digital processing unit.
  • the The audio signal is transmitted to the USB Dongle device.
  • the USB Dongle device receives and synthesizes the digital audio signals of the left and right ear units, and transmits the synthesized audio device to the terminal device, thereby completing the preservation of the sound signal;
  • the left/right ear voice uplink signal process during recording is: open the recording software on the terminal device, and the first microphone on the two ear units receives the outside world
  • the environmental sound signal is processed by the first microphone and transmitted as an analog audio signal to the audio codec in each ear unit for encoding processing, thereby converting the analog audio signal into a digital audio signal and transmitting it to the digital processing unit.
  • the digital audio signal processed by the digital processing unit is transmitted to the terminal device through the LEAudio protocol of BT5.2, thereby completing the preservation of the sound signal.
  • the Bluetooth wireless headset form is also portable, low power consumption, small size, low cost, easy to use, and highly popular, allowing more users to participate in silent audio recording and program resource sharing, thus enriching silent audio program resources;

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

本发明属于录音技术领域，涉及一种沉浸式录音方法及装置，通过获取可穿戴设备的左声道麦克风采集到的左声道麦克风信号及右声道麦克风采集到的右声道麦克风信号；将所述左声道麦克风信号及右声道麦克风信号分别发送给与所述可穿戴设备无线连接的终端设备，当录音装置与终端设备连接用于录音时，两个耳单元能够拾取到进入人耳的真实声音信息，且两个耳单元拾取的声音信息能够分别传输到终端设备内保存，使得将两个耳单元分别戴在用户的双耳上并控制终端设备播放上述声音信息时，双耳就可以还原所记录的声音，保证用户通过这些声音信息就可以判断声音的位置、强度等信息，从而实现对音频的沉浸式录音。

Description

一种沉浸式录音方法及装置 技术领域
本发明属于录音技术领域，涉及一种沉浸式录音方法及装置。
背景技术
在当前AR、VR、元宇宙盛行的环境下，沉浸式体验很快得到厂商和普通用户的认可，如VR眼镜，AR眼镜，3D电影，5D游戏等等逐步进入人类生活；沉浸式体验的实现是通过诱导人体的听觉、视觉、触觉等来营造氛围让参与者融入到场景中，让用户比较真实的体验到人在现场的氛围感。
在影音领域实现沉静式体验，需要专业的设备对节目/内容进行前期录制和后期的制作。回放也需要专门的设备，比如支持杜比全景声***的播放设备和众多的音箱设备。制作/回放成本高普通用户也无法参与，体验场所也可能受限制比如需要到3D影院等，对应的节目源贵且少等等问题。
沉浸式体验的听觉体验与音频技术密切相关。如果用户想要随时随地的内容创作或现场记录，通常使用手机、普通蓝牙耳机、麦克风等来记录音视频，所记录的音频内容基本都是单声道信号，回放的时候也只有简单回放现场的单声道声音内容，同时普通用户受限于无专业设备(具备调节复杂、昂贵、笨重等特质)，也就无法参与到沉浸式现场录制。
发明内容
本发明的目的在于针对现有技术的不足，提供一种沉浸式录音方法及装置，通过设置双声道麦克风，并使两个耳单元拾取的声音信息能够各自传输到终端设备，保证录音装置能够更好的连接到具有录音功能的终端设备上，以实现对音频的双声道沉浸式录音。
为了实现上述目的，本发明采用了以下技术方案：
一种沉浸式录音方法，应用于可穿戴设备，所述可穿戴设备上设有左声道麦克风及右声道麦克风，所述录音方法包括：
获取可穿戴设备的左声道麦克风采集到的左声道麦克风信号及右声道麦克风采集到的右声道麦克风信号；
将所述左声道麦克风信号及右声道麦克风信号分别发送给与所述可穿戴设备无线连接的终端设备进行混合声音处理，以得到立体声录音文件。
在一个实施例中，录音过程是在可穿戴设备佩戴于用户耳部上时进行的，所述左声道麦克风位于所述耳部的左耳廓位置，所述右声道麦克风位于所述耳部的右耳廓位置。
在一个实施例中，将所述左声道麦克风信号及右声道麦克风信号分别发送给与所述可穿戴设备信号连接的终端设备，包括：
将所述左声道麦克风信号转换为第一数字信号；
将所述右声道麦克风信号转换为第二数字信号；
将所述第一数字信号及所述第二数字信号分别发送给与所述可穿戴设备信号连接的终端设备。
本发明还提供一种录音装置，所述录音装置包括：分别用于佩戴在耳朵位置的两个耳单元，其中每个耳单元包括：
音频采集单元，所述音频采集单元用于在用户的相应一个耳朵处记录环境声音；
无线连接单元，所述无线连接单元用于将两个耳单元分别与终端设备无线连接。
在一个实施例中，所述音频采集单元包括：第一麦克风及第二麦克风，所述第一麦克风设于所述耳单元上且朝向耳朵内部的一侧，用于采集耳朵的耳廓 内侧音频信号，所述第二麦克风设于所述耳单元上且位于背向耳朵内部的一侧，用于采集耳朵的耳廓外侧音频信号。
在一个实施例中，所述音频采集单元还包括：第三麦克风，所述第三麦克风靠近所述耳单元内侧的底部设置，用于采集语音信号。
在一个实施例中，所述每个耳单元内还设有音频编码解码器及数字音频处理器，所述音频编码解码器同时与所述第一麦克风、第二麦克风及第三麦克风连接，所述数字音频处理器连接所述音频编码解码器及所述无线连接单元。
在一个实施例中，所述两个耳单元的音频信号均通过BT5.2的LEAudio协议分别传输至终端设备。
在一个实施例中，所述录音装置还包括：USB Dongle设备，所述USB Dongle设备和耳单元均设置有用于发送信号和接收信号的模块，通过在终端设备上***的USB Dongle设备，使得两个耳单元分别与终端设备无线连接。
在一个实施例中，所述无线连接单元包括：基带数据与协议处理器及蓝牙射频收发模块；所述基带数据与协议处理器连接所述蓝牙射频收发模块，以建立基于蓝牙物理层的蓝牙通信链路，使得耳单元能够与终端设备建立通信。
本发明的有益效果：
通过获取可穿戴设备的左声道麦克风采集到的左声道麦克风信号及右声道麦克风采集到的右声道麦克风信号；将所述左声道麦克风信号及右声道麦克风信号分别发送给与所述可穿戴设备无线连接的终端设备，当录音装置与终端设备连接用于录音时，两个耳单元能够拾取到进入人耳的真实声音信息，且两个耳单元拾取的声音信息能够分别传输到终端设备内保存，使得将两个耳单元分别戴在用户的双耳上并控制终端设备播放上述声音信息时，双耳就可以还原所记录的声音，保证用户通过这些声音信息就可以判断声音的位置、强度等信息， 从而实现对音频的沉浸式录音。
附图说明
附图1是本发明中的流程示意图；
附图2是本发明中用户在沉浸式录音时的工作原理图；
附图3是本本发明中用户在沉浸式录音时信号的路径示意图；
附图4是本本发明中的其中一个耳单元的原理示意图。
具体实施方式
下面详细描述本发明的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，旨在用于解释本发明，而不能理解为对本发明的限制。
参考附图1，一种沉浸式录音方法，应用于可穿戴设备，所述可穿戴设备上设有左声道麦克风及右声道麦克风，所述录音方法包括：获取可穿戴设备的左声道麦克风采集到的左声道麦克风信号及右声道麦克风采集到的右声道麦克风信号；将所述左声道麦克风信号及右声道麦克风信号分别发送给与所述可穿戴设备无线连接的终端设备，所述终端设备用于将所述左声道麦克风信号及右声道麦克风信号进行混合处理，得到立体声录音文件，并将所述立体声文件保存；其中，录音过程是在可穿戴设备佩戴于用户耳部上时进行的，所述左声道麦克风位于所述耳部的左耳廓位置，所述右声道麦克风位于所述耳部的右耳廓位置。
在一个实施例中，将所述左声道麦克风信号及右声道麦克风信号分别发送给与所述可穿戴设备信号连接的终端设备，包括：将所述左声道麦克风信号转换为第一数字信号；将所述右声道麦克风信号转换为第二数字信号；将所述第一数字信号及所述第二数字信号分别发送给与所述可穿戴设备信号连接的终端 设备。
参考附图2-附图4，本发明还提供一种录音装置，所述录音装置包括：分别用于佩戴在耳朵位置的两个耳单元，其中每个耳单元包括：音频采集单元及无线连接单元，所述音频采集单元用于在用户的相应一个耳朵处记录环境声音；所述无线连接单元用于将两个耳单元分别与终端设备无线连接；本实施例中，终端设备为能够运行录音软件以实现录音功能的手机、平板、电脑等设备，录音装置为无线耳机，另一些实施例中，也可以选用电子眼镜、有线耳机等作为本申请的录音装置，在选用电子眼镜作为录音设备时，只需要在两侧眼镜支架的尾端设备同时设置音频采集设备，用于采集两个耳朵位置的音频，并时两侧的音频采集设备能够分别将采集到的音频信号通过无线通信的方式传输至终端设备即可。
由于人类听觉上通过进入双耳耳廓的声音信号来判断发声物体的位置(前/后/左/右/上/下)、声音的远近大小、声音的频率高低等信息。在传统的立体声录音***和立体声扬声器回放***左右通道也就对应人耳的左耳和右耳，传统立体声录音***和立体声扬声器***中只能做到左/右方向上180°的音场还原，无法实现沉浸式录制和原始声场还原。因此本发明通过设置每个耳单元包括：声学转换器、音频采集单元及无线连接单元，声学转换器用于将电能转换为声能、音频采集单元用于在用户的相应一个耳朵处记录环境声音、无线连接单元用于将两个耳单元分别与终端设备无线连接，当录音装置与终端设备连接用于录音时，两个耳单元能够拾取到进入人耳的真实声音信息，且两个耳单元拾取的声音信息能够分别通过各自的无线传输单元储存在终端设备内，以实现音频信号的双声道上行，使得将两个耳单元分别戴在用户的双耳上并控制终端设备播放上述声音信息时，双耳就可以还原所记录的声音，保证用户通过这些声音 信息就可以判断声音的位置、强度等信息，从而实现对音频的沉浸式录音。
在一个实施例中，所述音频采集单元包括：第一麦克风及第二麦克风，所述第一麦克风设于所述耳单元上且朝向耳朵内部的一侧，用于采集耳朵的耳廓内侧音频信号，所述第二麦克风设于所述耳单元上且位于背向耳朵内部的一侧，用于采集耳朵的耳廓外侧音频信号，第一麦克风及第二麦克风的设置，保证在录音时两个耳单元采集到的声音信息能够更加的精准。
在一个实施例中，所述音频采集单元还包括：所述第三麦克风，第三麦克风靠近所述耳单元内侧的底部设置，用于采集语音信号，第三麦克风的设置，保证无线耳机能够实现通话功能。
在一个实施例中，所述每个耳单元内还设有音频编码解码器及数字音频处理器，所述音频编码解码器同时与所述第一麦克风、第二麦克风及第三麦克风连接，所述数字音频处理器连接所述音频编码解码器及所述无线连接单元，当第一麦克风、第二麦克风及第三麦克风接收到音频信号时，第一麦克风、第二麦克风及第三麦克风能够将接受到的音频信号传输给音频编码解码器进行处理，经过音频编码解码器处理后的音频信号传输至数字音频处理器进行处理，并通过无线传输单元传输至终端设备保存，从而完成终端设备的沉浸式录音。
在一个实施例中，所述录音装置还包括：USB Dongle设备，所述USB Dongle设备和耳单元均设置有用于发送信号和接收信号的模块，由于经典蓝牙HSP/HFP协议为单声道通话上行方式无法实现双声道上行，因此设置USB Dongle来接收左/右耳机所录制音频信号并合成所需要的两声道信号，并将USB Dongle连接在终端设备上，使得两个耳单元分别与终端设备无线连接，在另一个实施例中，也可以将两个耳单元的音频信号均通过BT5.2的LEAudio协议分别传输至终端设备。其中，USB Dongle全称是USB Bluetooth Dongle，其实就是一种 蓝牙适配器；LE-audio为新一代蓝牙技术标准，主要特点是：低功耗、高性能，特别是其支持“多重音频流技术”将对TWS(真无线)耳机产生颠覆性的影响，简单的来说：目前的蓝牙发射设备只能连接单个接收设备，TWS耳机中的一只单元接收蓝牙信号后还要转发一个声道的信息到另一只耳机上，而LE-audio标准下，发射端可直接同时连接TWS左右单元，大大降低了延迟、提升稳定性。
在一个实施例中，所述每个耳单元内还设有用于供电的供电模块，供电模块的设置，保证每个耳单元能够单独正常进行工作，本实施例中，供电模块为锂电池。
在一个实施例中，所述无线连接单元包括：基带数据与协议处理器及蓝牙射频收发模块；所述基带数据与协议处理器连接所述蓝牙射频收发模块，以建立基于蓝牙物理层的蓝牙通信链路，使得耳单元能够与终端设备通信。
当无线传输单元为USB Dongle设备时，录制时候的左/右耳语音上行信号流程为：打开终端设备上的录音软件，两个耳单元上的第一麦克风接收到外界环境的声音信号，经过第一麦克风处理以模拟音频的信号传输到各自耳单元内的音频编码解码器进行编码处理，从而将模拟音频的信号转换为数字音频信号，并传输至数字处理单元，经过数字处理单元处理后的数字音频信号传输至USB Dongle设备，USB Dongle设备接收和合成左和右耳单元的数字音频信号，并将合成后的音频设备传输到终端设备，从而完成声音信号的保存；
当耳单元的音频信号通过BT5.2的LE Audio协议传输时，录制时候的左/右耳语音上行信号流程为：打开终端设备上的录音软件，两个耳单元上的第一麦克风接收到外界环境的声音信号，经过第一麦克风处理以模拟音频的信号传输到各自耳单元内的音频编码解码器进行编码处理，从而将模拟音频的信号转换为数字音频信号，并传输至数字处理单元，经过数字处理单元处理后的数字 音频信号通过BT5.2的LEAudio协议传输到终端设备，从而完成声音信号的保存。
本发明还具有以下优点：
1、蓝牙无线耳机形式，还具备便携、低功耗、小体积、低成本、使用简便、普及性高让更多的用户参与沉静式音频录制、节目资源共享从而丰富沉静式音频节目资源；
2、回访录音文件时无需要专业的编解码播放设备，只需要一副蓝牙无线耳机而无需额外的增加通道数(比如杜比全景声大于8个通道)就可重现现场氛围感。
以上所述的实施例，只是本发明的较优选的具体方式之一，本领域的技术员在本发明技术方案范围内进行的通常变化和替换都应包含在本发明的保护范围内。

Claims (10)

  1. 一种沉浸式录音方法，应用于可穿戴设备，其特征在于，所述可穿戴设备上设有左声道麦克风及右声道麦克风，所述录音方法包括：
    获取可穿戴设备的左声道麦克风采集到的左声道麦克风信号及右声道麦克风采集到的右声道麦克风信号；
    将所述左声道麦克风信号及右声道麦克风信号分别发送给与所述可穿戴设备无线连接的终端设备进行混合声音处理，以得到立体声录音文件。
  2. 根据权利要求1所述的一种沉浸式录音方法，其特征在于，录音过程是在可穿戴设备佩戴于用户耳部上时进行的，所述左声道麦克风位于所述耳部的左耳廓位置，所述右声道麦克风位于所述耳部的右耳廓位置。
  3. 根据权利要求2所述的一种沉浸式录音方法，其特征在于，将所述左声道麦克风信号及右声道麦克风信号分别发送给与所述可穿戴设备信号连接的终端设备，包括：
    将所述左声道麦克风信号转换为第一数字信号；
    将所述右声道麦克风信号转换为第二数字信号；
    将所述第一数字信号及所述第二数字信号分别发送给与所述可穿戴设备信号连接的终端设备。
  4. 一种录音装置，其特征在于，所述录音装置：分别用于佩戴在耳朵位置的两个耳单元，其中每个耳单元包括：
    音频采集单元，所述音频采集单元用于在用户的相应一个耳朵处记录环境声音；
    无线连接单元，所述无线连接单元用于将两个耳单元分别与终端设备无线连接。
  5. 根据权利要求4所述的一种录音装置，其特征在于，所述音频采集单元 包括：第一麦克风及第二麦克风，所述第一麦克风设于所述耳单元上且朝向耳朵内部的一侧，用于采集耳朵的耳廓内侧音频信号，所述第二麦克风设于所述耳单元上且位于背向耳朵内部的一侧，用于采集耳朵的耳廓外侧音频信号。
  6. 根据权利要求5所述的一种录音装置，其特征在于，所述音频采集单元还包括：第三麦克风，所述第三麦克风靠近所述耳单元内侧的底部设置，用于采集语音信号。
  7. 根据权利要求6所述的一种录音装置，其特征在于，所述每个耳单元内还设有音频编码解码器及数字音频处理器，所述音频编码解码器同时与所述第一麦克风、第二麦克风及第三麦克风连接，所述数字音频处理器连接所述音频编码解码器及所述无线连接单元。
  8. 根据权利要求4-7任意一项所述的一种录音装置，其特征在于，所述两个耳单元的音频信号均通过BT5.2的LEAudio协议分别传输至终端设备。
  9. 根据权利要求4-7任意一项所述的一种录音装置，其特征在于，所述录音装置还包括：USB Dongle设备，所述USB Dongle设备和耳单元均设置有用于发送信号和接收信号的模块，通过在终端设备上***的USB Dongle设备，使得两个耳单元分别与终端设备无线连接。
  10. 根据权利要求4所述的一种录音装置，其特征在于，所述无线连接单元包括：基带数据与协议处理器及蓝牙射频收发模块；所述基带数据与协议处理器连接所述蓝牙射频收发模块，以建立基于蓝牙物理层的蓝牙通信链路，使得耳单元能够与终端设备建立通信。
PCT/CN2022/092604 2022-03-29 2022-05-13 一种沉浸式录音方法及装置 WO2023184660A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210317882.9 2022-03-29
CN202210317882.9A CN114866908A (zh) 2022-03-29 2022-03-29 一种沉浸式录音方法及装置

Publications (1)

Publication Number Publication Date
WO2023184660A1 true WO2023184660A1 (zh) 2023-10-05

Family

ID=82629762

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2022/092604 WO2023184660A1 (zh) 2022-03-29 2022-05-13 一种沉浸式录音方法及装置

Country Status (2)

Country Link
CN (1) CN114866908A (zh)
WO (1) WO2023184660A1 (zh)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204968088U (zh) * 2015-07-30 2016-01-13 张瑞博 一种音频采集装置及音频输入输出设备
CN106303789A (zh) * 2016-10-31 2017-01-04 维沃移动通信有限公司 一种录音方法、耳机及移动终端
CN106385643A (zh) * 2015-07-30 2017-02-08 森声数字科技（深圳）有限公司 一种音频采集装置及音频输入输出设备
CN206413138U (zh) * 2016-10-31 2017-08-15 维沃移动通信有限公司 一种移动终端及耳机
CN109792574A (zh) * 2017-03-17 2019-05-21 森海塞尔电子股份有限及两合公司 具有分开的用于双声道录音和用于通话的麦克风的耳机
CN111770404A (zh) * 2020-06-09 2020-10-13 维沃移动通信有限公司 录音方法、装置、电子设备及可读存储介质

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204968088U (zh) * 2015-07-30 2016-01-13 张瑞博 一种音频采集装置及音频输入输出设备
CN106385643A (zh) * 2015-07-30 2017-02-08 森声数字科技（深圳）有限公司 一种音频采集装置及音频输入输出设备
CN106303789A (zh) * 2016-10-31 2017-01-04 维沃移动通信有限公司 一种录音方法、耳机及移动终端
CN206413138U (zh) * 2016-10-31 2017-08-15 维沃移动通信有限公司 一种移动终端及耳机
CN109792574A (zh) * 2017-03-17 2019-05-21 森海塞尔电子股份有限及两合公司 具有分开的用于双声道录音和用于通话的麦克风的耳机
CN111770404A (zh) * 2020-06-09 2020-10-13 维沃移动通信有限公司 录音方法、装置、电子设备及可读存储介质

Also Published As

Publication number Publication date
CN114866908A (zh) 2022-08-05

Similar Documents

Publication Publication Date Title
JP4779063B2 (ja) ワイヤレスネットワーク間で移行するワイヤレスイヤフォン
CN108886647B (zh) 耳机降噪方法及装置、主耳机、从耳机及耳机降噪***
US20160029114A1 (en) Wireless earphone set
US8718295B2 (en) Headset assembly with recording function for communication
US20080226103A1 (en) Audio Data Processing Device for and a Method of Synchronized Audio Data Processing
TW201804819A (zh) 雙向對講監聽及助聽耳機系統
US20150326973A1 (en) Portable Binaural Recording & Playback Accessory for a Multimedia Device
JP2010516122A (ja) 自己内臓式デュアルイヤバッドまたはイヤホンシステムおよびその用途
WO2023005412A1 (zh) 录音方法、装置、无线耳机及存储介质
WO2020063499A1 (zh) 一种无线耳机
EP4109922A1 (en) Audio processing method, apparatus and system
CN104217750A (zh) 一种全息音频录制回放方法
JP2010506519A (ja) 通信分野用のサウンドイベントを取得し、伝送し、および、再生するための処理および装置
CN204090073U (zh) 一体式蓝牙耳机音箱
CN109686351A (zh) 一种全息声场k歌***
CN111246331A (zh) 一种无线全景声混音耳机
CN105187993B (zh) 一种三维立体声耳机装置及还原方法
US11671777B2 (en) Sensor management for wireless devices
WO2023184660A1 (zh) 一种沉浸式录音方法及装置
WO2023184661A1 (zh) 一种无线耳机
WO2020042491A9 (zh) 一种耳机远场交互方法、耳机远场交互配件及无线耳机
CN213462193U (zh) 磁吸式话务耳机
CN104168465A (zh) 一种视频音频采集方法
US20170094412A1 (en) Wearable recording and playback system
CN210579153U (zh) Tws耳机充电盒及tws耳机

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22934485

Country of ref document: EP

Kind code of ref document: A1