With the improvement of infrastructure (fiber-to-home, wifi coverage, and 5G popularization), coupled with the impact of the 2020 epidemic, short videos, live broadcasts, video conferencing, online education, and online medical care have instantly reached their peak, and people's demand for audio and video And the requirements are getting stronger and stronger. Audio and video development refers to the use of computer technology and related programming skills to develop applications and systems related to audio and video processing, playback, recording, encoding and decoding, etc. This kind of development involves a variety of technologies and fields. The application fields and technical aspects are as follows:
- Audio development: This involves audio signal processing, recording, playback, encoding and decoding, audio effects processing, mixing, etc. Developers need to understand concepts such as audio format, sampling rate, number of channels, and compression algorithms, as well as related programming frameworks and tools, such as OpenAL, AudioTrack, AudioRecord, etc.
- Video development: This includes video signal processing, recording, playback, encoding and decoding, video rendering, video effects processing, etc. Developers need to understand video formats, resolutions, frame rates, video encoding and decoding algorithms, and related programming frameworks and tools, such as FFmpeg, MediaCodec, OpenGL ES, etc.
- Real-time communication: Audio and video development also involves the field of real-time communication, such as video conferencing, real-time audio calls, real-time video streaming, etc. This requires dealing with real-time transmission, network communication, delay control and other issues.
- Multimedia frameworks and libraries: Developers usually use various multimedia frameworks and libraries, such as FFmpeg, GStreamer, WebRTC, etc., to simplify the audio and video development process and implement audio and video related functions.
- Streaming media technology: This involves real-time transmission of audio and video, streaming media servers, streaming media protocols, etc., including commonly used RTMP, HLS, WebRTC and other protocols.
- User interface design:
The above is the development position needs in audio and video development. Through the distributed field positions, we can see that the required audio and video talents are widely distributed. Some job information related to audio and video development collected from the Internet is as follows:
From this information, we can understand that the number of audio and video positions has continued to increase in the past two years compared to 2023. This is a very good opportunity for us programmers, so what is audio and video development good at? What do you need to learn? The increase of so many positions will certainly increase many employment opportunities.
What are the audio and video development technologies?
1. c++ and c language
2、FFmpeg
3. H264 encoding
4、H265
5、Media Player
6、MediaCodec
The above 6 points probably belong to the technical sector. The specific learning route is as follows: Recommended reference material "Getting Started to Mastering Audio and Video Development Manual"
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Finally, the learning cost of audio and video development is high and the efficiency is low. There are two main reasons. First, audio and video knowledge is complicated and there are very few easy-to-understand materials. Second, the Internet is filled with a lot of misinformation, causing many beginners to fall into the trap. There is no way to climb out of the pit. Audio and video development requires a wide range of things to learn and a very in-depth mastery of the knowledge system. Therefore, learning also needs to be systematic. If you don’t know how to learn or want to continue to advance, you can click to get this high-definition learning road map.