Video & Audio codecs

Mobilygen
MG1264- H264 full D1 duplex video & audio codec
MG1264 full duplex H264 video codec offering a max resolution of 800 x600, PAL, NTSC and lower resolutions and frame rates. AAC stereo audio included. Very low power < 200mW encode and small size 9mm x 9mm BGA package. High quality video progressive and interlaced , low cost CPU peripheral solution.On chip scaling filters and OSD capability.
MG1264 - Full duplex H264 video plus audio codec

Nextchip
MPEG4 codec up to 16 channels NVP3100
A full duplex codec designed for single or multichannel DVR designs up to 16 channels .
Offers 656 input and output for video and a 16 bit host interface. Supports full D1 2CIF CIF formats and will accept multiplexed inputs from Nextchips 16 channel Multiplexer NVC1600
Summary - Full D1 MPEG4 Codec

Chipwrights
CW5521- Programmable video codec-JPEG MPEG4 + H264
CW5521- Programmable video processor supporting MJPEG and MPEG4 encode and decode plus audio. Full source code for codecs available, other codecs in development. Low power solution with 656 or Bayer interface, USB and other hardware interfaces. This is a general purpose very low power DSP designed for video applications. MPEG4 at 30 fps and simultaneous MJPEG at 30 fps capability. H264 available soon.
CW5521- High performance low power programmable video codec.

Nextchip
NAP9004-4 channel audio codec-adpcm and pcm
Voice codec for DVR and server applications 300-3400Hz response ADPCM or PCM.
4 Channels encode and one channel decode duplex.40/32/24/16 kBits/second adpcm and 64kBits/sec PCM capable. 12 bit resolution at 8kHz samling and 14 bit decimation/ interpolation.
Summary -Full low cost 4 channel audio encoder PCM ADPCM plus a decoder in one chip