Audio generation method, audio playing method, audio receiving method, audio generation device, audio playing device, audio receiving device and audio transmission system

A generation device, audio playback technology, applied in the field of playback, audio transmission system, answering method and device, and audio generation, can solve problems such as slow transmission speed, achieve the effects of reducing impact, reducing complexity, and enhancing anti-interference ability

Active Publication Date: 2018-05-11
上海动听网络科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the existing coding and decoding technology for informa...

Method used

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  • Audio generation method, audio playing method, audio receiving method, audio generation device, audio playing device, audio receiving device and audio transmission system
  • Audio generation method, audio playing method, audio receiving method, audio generation device, audio playing device, audio receiving device and audio transmission system
  • Audio generation method, audio playing method, audio receiving method, audio generation device, audio playing device, audio receiving device and audio transmission system

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Embodiment Construction

[0046] In the prior art, when encoding information, after converting the corresponding information to be encoded into a binary codeword, a cyclic redundancy check (Cyclic Redundancy Check, CRC) check and convolutional encoding are also required. When doing CRC check and convolutional encoding, it takes time. In addition, the use of convolutional encoding will increase the encoding length, further increasing the time required for information transmission. When decoding the received encoded data, it is also necessary to perform corresponding convolution decoding on the received audio signal, and then perform CRC check. The decoding process is also relatively cumbersome, and the speed of information reception is relatively slow.

[0047] However, in the embodiment of the present invention, in the audio generation process, it is not necessary to perform verification and convolutional coding on the data packet, only the identification code, time code sequence and preamble correspond...

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Abstract

The invention relates to an audio generation method, an audio playing method, an audio receiving method, an audio generation device, an audio playing device, an audio receiving device and an audio transmission system. The receiving method comprises the steps of: generating an identification code uniquely corresponding to an audio stream to be coded; according to the duration corresponding to the audio stream, generating continuous time coding sequences; combining the identification code, the time coding sequences and a corresponding lead code, so that a corresponding data packet is formed; coding the formed data packet, so that an audio sequence is obtained; modulating the audio sequence corresponding to the audio stream obtained by coding, and generating a corresponding audio file; and sending the generated audio file to the corresponding audio playing device. By adoption of the scheme, the transmission speed of the audio stream can be increased while the identification success rate is compatible.

Description

technical field [0001] The present invention relates to the technical field of audio processing, in particular to an audio generation, playback, listening method and device, and an audio transmission system. Background technique [0002] Television is a broadcasting medium with a wide audience and great influence. In recent years, with the development of technology, there have been many kinds of advertising TVs such as building advertising TVs, bus car TVs, mobile phone TVs, interactive network TVs, and digital cable TVs. form. At the same time, along with the development of the TV form, TV programs have appeared such as TV shopping, building advertisements, etc., which use TV media to achieve product recommendation and sales, enriching and expanding the original TV media. [0003] With the promotion of such advertising and shopping-themed content, the interaction between TV programs and audiences has become a necessary business content. At present, building TV advertiseme...

Claims

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Application Information

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IPC IPC(8): H04N21/233H04N21/439
CPCH04N21/233H04N21/439
Inventor 叶常青
Owner 上海动听网络科技有限公司
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