Original sentence: 264, MPEG-4) and proprietary (SPIRIT IP-MR) voice and video codecs for speech and video compression / decompression, RTP packetizers, echo and noise cancellation, packet loss concealment and error correction, adaptive jitter buffer, audio and video synchronization, CPU load and playback rate control, etc
Edited sentence: 264, MPEG-4) and proprietary (SPIRIT IPMR) voice and video codecs for speech and video compression / decompression, RTP packetizers, echo and noise cancellation, packet loss concealment and error correction, adaptive jitter buffer, audio and video synchronization, CPU load and playback rate control, etc