Wireless transmission method and device for audio and video playing

An audio and video playback and wireless transmission technology, applied in the field of audio and video transmission, can solve the problems of audio file distortion, affect the user's audio-visual experience, and fail to meet the diverse needs of users, and achieve high restoration, improve audio-visual experience, and reduce distortion. Effect

Active Publication Date: 2013-09-25
GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this process, audio files are multiplexed and then transmitted, and then transmitted again after demultiplexing. Multiple transmissions lead to serious distortion of audio files; in addition, because some TVs do not have external audio transmission functions, audio files can only be transmitted through the TV

Method used

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Examples

Experimental program
Comparison scheme
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specific Embodiment approach

[0020] A specific embodiment of a wireless transmission method for audio and video playback of the present invention, comprising steps:

[0021] A: Start the WiFi Display function, select the target device and connect with the target device to establish a WIFI transmission channel;

[0022] B: A dialog box pops up to ask the user whether to set the audio transmission channel. If the user chooses yes, go to step C. If the user chooses no, go to step D;

[0023] C: Multiplex the video files and mute signals in the associated video files and audio files into MPEG2 transport streams and then transmit them to the target device with audio and video playback functions through the WIFI transmission channel, and the audio files are transmitted through the audio transmission channel based on the Bluetooth network For the voice playback device with Bluetooth function, start the audio delay menu, monitor the delay adjustment command input by the user in real time, and adjust the delay tim...

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PUM

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Abstract

The invention relates to the technical field of audio and video transmission, in particular to a wireless transmission method and device for audio and video playing. According to the method, video files are directly transmitted to a target device through a WIFI transmission channel, audio files are directly transmitted to voice playing equipment through an audio transmission channel, and the video files and the audio files are respectively transmitted; on one hand, the fact that a user selects the voice playing equipment except the target device cannot be restricted by functions of the target device, and playing demands of diversified audio and video files for the use are met; on the other hand, by the adoption of the method, the audio files are directly transmitted to the voice playing equipment, multiplexing and demultiplexing are needless, multiple transmissions are achieved, distortion of audios is reduced, thus a playing effect, with a high restoring degree, of the voice playing equipment can be achieved, and audio and visual experience of the user is improved.

Description

technical field [0001] The invention relates to the technical field of audio and video transmission, in particular to a wireless transmission method for audio and video playback. The method is accomplished by establishing a functional module framework and controlling the computer system by computer program instructions. Background technique [0002] With the popularization and application of mobile multimedia devices such as smartphones, more and more attention has been paid to the technology of establishing and maintaining a WIFI-based connection between multimedia devices, and using this connection to promote video / audio presentation and playback in the target device. For example: Smartphones, tablet computers, and notebook computers can easily transmit the images and sounds on smart terminals or tablet computers to target devices (such as TV ) and display playback on the target device in real time. [0003] At this stage, in technologies such as WiFi Display, AirPlay Mi...

Claims

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Application Information

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IPC IPC(8): H04N21/236H04N21/24H04N21/238
Inventor 林尚波
Owner GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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