Audio and video decoding (protocol optimization)
1. Familiar with audio and video codec processing algorithms, and have more than one year of work experience in related fields;
2. Familiar with ffmpeg architecture, able to transplant and optimize the system to mobile clients;
3. Familiar with RTMP , HLS and other live streaming protocols (or related protocols); familiar with vlc or ffplay , mplayer architecture is preferred;
4. Familiar with TCP/IP and Socket network programming;
5. Familiar with C/C++ development language;
6. Familiar with WINDOWS PC client software development
1. More than two years of work experience in related fields with a master's degree in mathematics, sound processing, computer, signal processing, and communication engineering.
2. Have a good mathematical foundation, strong audio signal processing or algorithm development ability
3. Proficient in C language programming or matlab language, able to program and implement audio processing algorithms.
4. Strong paper retrieval and English professional literature reading ability
5. Strong interpersonal communication and collaboration skills.
One of the following development experience is preferred
1. Understand audio processing technology , and have conducted research and implementation of audio compression, echo cancellation, speech enhancement recognition and other algorithms
2. Familiar with common audio format files ( mp3, wma, aac, ogg, ape, flacac3, dolby DTS , etc.)
3. Have developed, transplanted and optimized some of the above audio processing algorithms on hardware platforms such as DSP , x86 , FPGA or ARM .
2. Have in-depth research on VOIP and relevant experience, be familiar with VOIP server development (have asterisk source code development / optimization experience), and have android and ios underlying development experience;
3. Have a good mathematical foundation, proficient in C language, familiar with ARM architecture and related assembly;
4. Familiar with audio and video coding (such as WebRTC , speex , Opus , H264 , MPEG , etc.), have experience in audio / voice codec algorithm optimization and development, and have deep understanding and unique insights into language enhancement algorithms.
a) Solid basic computer and network knowledge, experience in network simulation and multimedia transmission development
b) Rich experience in video processing or image processing
c) Rich experience in deep learning and face recognition
1. Graduated from computer digital signal processing related major
2. More than 4 years experience in video frequency related algorithm development, familiar with video, image special effects and optimization technology;
3. Proficient in C/C++ , familiar with basic digital image and video processing algorithm principles, familiar with OpenCV/OpenGL ;
4. Familiar with GPU -based algorithm design and optimization and parallel optimization experience is preferred;
5. Familiar with video codec standards such as H.264 and FFMPEG is preferred;
6. Familiar with streaming media transmission protocols such as rtmp is preferred.
1. Communication, automation, image processing, pattern recognition, video processing, signal and information processing and related majors;
2. Strong mathematical background
3. Have a certain understanding of intelligent video processing, familiar with face recognition, target detection and tracking, behavior analysis and other related technologies, and those who have practical experience in related projects are preferred;
4. Proficient in matlab , C/C++ , and have good programming habits; have video processing, image processing, pattern recognition, DSP development and other related knowledge, and have fast programming ability.
5. Proficient in reading relevant English papers and patents, and able to program quickly;
6. Strong communication skills, good teamwork spirit, proactive in work.
7. One of the following experience is preferred: experience in image quality adjustment of mobile phones, cameras and other equipment; experience in research and development of image processing modules in digital display devices such as mobile phones, cameras, flat-panel TVs, projectors, etc.; image signal processor ( ISP ) R&D experience.
1. Bachelor / Master degree or above in signal processing / pattern recognition / image processing;
2. Have no less than 1 year working experience in video intelligent analysis algorithm design and development;
3. Proficient in c/c++ program development;
4. Be able to use machine learning, statistical learning or other mainstream intelligent analysis technologies to solve specific target recognition or behavior analysis problems;
5. Familiar with image / video algorithms in OpenCV ;
6. Proficient in reading English algorithms and other technical documents ;