A method of live recording and broadcasting based on rtmp protocol synchronously transmitting midi

A synchronous transmission and MIDI technology, applied in the audio field, can solve problems such as complex protocols, unsupported mobile Internet video live broadcast, bandwidth waste, etc.

Active Publication Date: 2021-06-22
湖南卡罗德钢琴有限公司
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  • Abstract
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  • Application Information

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Problems solved by technology

But it has fatal shortcomings: the protocol is complicated, the bandwidth is wasted, and it does not support mobile Internet video live broadcast

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  • A method of live recording and broadcasting based on rtmp protocol synchronously transmitting midi
  • A method of live recording and broadcasting based on rtmp protocol synchronously transmitting midi
  • A method of live recording and broadcasting based on rtmp protocol synchronously transmitting midi

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Embodiment Construction

[0038] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0039] It should be noted that, in order to better illustrate the present invention, the following definitions are further explained below:

[0040] MIDI (Musical Instrument Digital Interface) is an industry-standard electronic communication protocol and communication standard. MIDI data is not a digital audio waveform, but a music code or electronic score;

[0041] AAC (Advanced Audio Coding, Advanced Audio Coding), is a file compression format designed for sound data;

[0042] ADTS (Audio Data Transport Stream, audio data transport stream), is a very common transmission format of AAC;

[0043] PES (Packetized Elementary Streams, packetized ES) is a data structure used to transfer ES. The PES ...

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Abstract

The invention discloses a live recording and broadcasting method for synchronously transmitting MIDI based on the RTMP protocol. Firstly, by collecting images, audio and MIDI signals, and encoding and compressing the collected images and audio respectively; secondly, compressing the collected MIDI signals and encoding The audio is mixed, and the encoded and compressed images are pushed to the server together, and the encoded and compressed images, mixed audio and MIDI signals are recorded and broadcasted at the same time; then, based on the RTMP protocol, the mixed audio and MIDI signals are pulled from the server and separated. MIDI data, decode audio data and image data at the same time; then, integrate the decoded image data and audio data into playback audio and video, and send the separated MIDI data to the musical instrument; finally, realize the synchronous linkage between audio and video playback and musical instruments . Based on the RTMP protocol, the invention transmits MIDI, audio, and images synchronously and saves the MIDI data after transferring to M3U8. The live recording and broadcasting of musical instruments can be realized, and users can also choose live broadcasting or recording broadcasting according to needs, which has strong applicability.

Description

technical field [0001] The invention relates to the field of audio technology, in particular to a live recording and broadcasting method for synchronously transmitting MIDI based on the RTMP protocol. Background technique [0002] RTMP protocol is the abbreviation of Real Time Message Protocol (Real Time Information Transmission Protocol), which is an application layer protocol proposed by Adobe, an open protocol for audio, video and data transmission between Flash player and streaming media server . The advantages of RTMP are: high real-time performance, high stability, support for encryption, encoder access and system fault tolerance. But it has fatal shortcomings: the protocol is complex, the bandwidth is wasted, and it does not support mobile Internet video live broadcast. At present, live broadcast scenarios on the market realize the transmission of sound and images, and are applied to entertainment live broadcasts. [0003] With the development of smart phones and t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N21/2187H04N21/2343H04N21/2368H04N21/43H04N21/434H04N21/4402H04N21/854H04N21/8547
CPCH04N21/2187H04N21/2343H04N21/2368H04N21/4307H04N21/4341H04N21/4402H04N21/85406H04N21/8547
Inventor 郭立刘天作
Owner 湖南卡罗德钢琴有限公司
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