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Audio data transmission method and device

A technology of audio data and transmission method, which is applied in image communication, selective content distribution, electrical components, etc., and can solve problems such as audio and video out of sync

Active Publication Date: 2018-10-02
HISENSE VISUAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The embodiment of the present invention provides an audio data transmission method and device, which can evaluate the audio delay when the audio receiving device plays audio data, and after determining that the audio delay is too large, send to the audio receiving device a newer than normal transmission Fragments of audio data, thereby improving the delay problem during audio playback, and solving the problem of out-of-sync audio and video

Method used

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  • Audio data transmission method and device

Examples

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Embodiment 1

[0022] Such as figure 1 As shown, it is a schematic flowchart of an audio data transmission method provided by an embodiment of the present invention. The method includes:

[0023] S101. The audio receiving device sends a synchronization signal to the audio sending device through a wireless channel according to a predetermined period.

[0024] In the embodiment of the present invention, the audio transmission device can be built into a TV, computer or mobile phone, etc., with audio and video playback functions, and can communicate with external devices through a wireless channel (such as a wireless channel established based on wireless transmission mechanisms such as Bluetooth, infrared communication, and WLAN). In the connected electronic equipment; the audio receiving device can be built in a wireless speaker or other external equipment that can receive audio data through a wireless channel and play the audio data through its own power amplifier and speaker. Furthermore, a...

Embodiment 2

[0048] An embodiment of the present invention also provides an audio sending device, configured to execute the above audio data transmission method. The usage scenarios of the audio sending device provided by the present invention can refer to the above-mentioned figure 1 as well as figure 1 corresponding description of . In the embodiment of the present invention, the audio sending device may be divided into functional modules according to the above method examples. For example, each functional module may be divided corresponding to each function, or two or more functions may be integrated into one processing module. The above-mentioned integrated modules can be implemented in the form of hardware or in the form of software function modules. It should be noted that the division of modules in the embodiment of the present invention is schematic, and is only a logical function division, and there may be another division manner in actual implementation. In the case of dividin...

Embodiment 3

[0066] An embodiment of the present invention also provides an audio receiving device, configured to execute the above audio data transmission method. The usage scenarios of the audio receiving device provided by the present invention can refer to the above-mentioned figure 1 as well as figure 1 corresponding description of . In the embodiment of the present invention, the functional modules of the audio receiving device may be divided according to the above method examples. For example, each functional module may be divided corresponding to each function, or two or more functions may be integrated into one processing module. The above-mentioned integrated modules can be implemented in the form of hardware or in the form of software function modules. It should be noted that the division of modules in the embodiment of the present invention is schematic, and is only a logical function division, and there may be another division manner in actual implementation. In the case of...

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Abstract

The embodiment of the invention provides an audio data transmission method and device and relates to the technical field of audio transmission. A time delay problem during playing of an audio and a problem of asynchronous sound and frames are solved. The method comprises steps that an audio receiving device sends synchronous signals to an audio sending device through a wireless channel; the audiosending device evaluates the audio time delay according to the number of reserved periods between adjacent two synchronous signals in the received synchronous signals; if the determined audio time delay is larger than a time delay threshold value, sending a reserved audio data segment to the audio receiving device so that it is convenient for the audio receiving device to play the reserved audio data segment after receiving the audio data segment, wherein the reserved audio data segment comprises an audio data segment which is quite new than the next frame of audio data segment sent by the sequentially sent audio data segment. The method and the device are applied to audio data transmission.

Description

technical field [0001] The present invention relates to the technical field of audio transmission, in particular to an audio data transmission method and device. Background technique [0002] With the rapid development of playback devices such as smart TVs, various external devices are also increasing, and more and more external devices use wireless technology for data transmission. During the wireless transmission of data, data transmission delays often occur due to problems such as channel quality. Especially in the scene of audio and video playback, for example, when using Bluetooth speakers to play program audio, the unreliability of wireless transmission will cause the transmission delay of audio data, and the transmission delay of audio data will cause the problem of out-of-sync audio and video , seriously affecting the user experience. Contents of the invention [0003] The embodiment of the present invention provides an audio data transmission method and device, ...

Claims

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Application Information

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IPC IPC(8): H04N21/43H04N21/4363
CPCH04N21/4302H04N21/4307H04N21/43637
Inventor 沈润渊张林娜
Owner HISENSE VISUAL TECH CO LTD
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