Multimedia Engine Engineer

Job Description:

Responsible for developing audio and video engine on platforms of PC, Android, iOS.

Multimedia Engine is a component in IP-based real-time audio and video call. It includes the following modular:

1. Audio and video codec, e.g. G.711, G.279 AMR NB/WB iLBC, H.263, H.264, MPEG4, etc.

2. Speech quality controller, e.g. AEC, AGC, ANS, VAD, CNG, Jitter Buffer, etc.

3. Video quality controller, e.g. PLC, FEC, RED,NACK, Intelligent Bit-stream control.

4. Network transmission processor, e.g. RTP/RTCP, SRTP.

5. Video quality enhancement, machine vision algorithm.


1. Good communication and learning ability.

2. Solid mathematical foundation (high numbers, linear algebra, probability theory, discrete mathematics, digital analysis, etc.)

3. Theoretical basis for digital signal processing.

4. Experience with Codec algorithm is preferred.

5. Experience with organic vision is preferred.

6. Experience with organic machine learning is preferred.

Please send your CV (in either English or Chinese) to

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