(AnyChat Audio Video Interactive Development Mode (SDK) is a cross mode instant messaging solution based on the preemptive H The 264 video coding specification, AAC audio coding specification and P/2P technology, combined with the leading development technology and rich product experience in the field of audio and video coding and multimedia communication of Bairui Technology, have designed a high-quality, wide adaptability, distributed and modular network audio and video interaction mode. The AnyChat audio and video interactive development mode (SDK) includes audio and video management module (collection, encoding and decoding), streaming media management module (packet loss retransmission, jitter smoothing, dynamic buffering), streaming media playback module (multi-channel mixing, audio and video synchronization), P/2P network module (NAT penetration, UPnP support) and other sub modules, encapsulating the underlying hardware operations (audio and video collection, playback) Encapsulates very professional and complex technologies such as streaming media management (encoding and decoding, network transmission), provides a simple API control interface for upper layer use, and can add audio and video instant messaging and multi-party conference functions to customers' existing methods with very short development cycle and little human resources investment.)