Fraunhofer IIS

Fraunhofer IIS MPEG Audio and Video Coding Software

Compatible Operating Systems: embedded Linux, MS WinCE/ PocketPC/Mobile, and others

Compatible MIPS Architectures: MIPS32, MIPS64

Fraunhofer IIS offers reference quality software implementations of MPEG audio and video encoding and decoding algorithms optimized for low resource consumption on all MIPS powered platforms:

  • mp3 (MPEG Layer-3) encoding and decoding
  • mp3 Surround – Multi-channel mp3 audio coding
  • MPEG-2/MPEG-4 AAC encoding and decoding
  • MPEG-4 High Efficiency AAC v2 (including SBR+PS) (HE-AAC v2/aka enhanced aacPlus) stereo and multi-channel encoding and decoding
  • MPEG Surround – Surround extension for perceptual audio codecs, combining backwards compatibility with a very low additional bit rate
  • HD-AAC lossless audio coding (MPEG-4 SLS, Scalable Lossless)
  • MPEG-4 Low Delay AAC (AAC-LD, AAC-ELD) encoding and decoding – The de-facto high-quality audio standard for video conferencing, available now the brand new AAC-ELD ISO standard extension with increased bit rate efficiency and a very low end-toend delay down to 15 ms
  • Audio codecs for digital broadcast systems: DAB, DAB+, DMB, DVB-H, Digital Radio Mondiale and others
  • Ultra Low Delay (ULD) – High quality audio codec with an end-to-end delay of only 6-10 ms
  • MPEG Layer 2 encoding and decoding • MPEG-4 and ISMA A/V Streaming solutions


  • Optimized for devices with low resources in terms of memory and computational power
  • Available and directly compilable for all MIPS powered platforms
  • Various compiler tool sets supported
  • Fully MPEG compliant and quality tested
  • Library structure for easy integration
  • Codecs are available as source code or object code libraries
  • Highest audio quality with minimum processing power and memory requirements
  • Integrated MPEG-4 audiovisual systems
  • Fixed point solutions


  • Works with MIPS Navigator SDE, Wind River Workbench, or GNU Tools
  • Picokernel architecture scales automatically by linking only those individual routines used by the application
  • NetX Duo supports IPv4 and IPv6 protocols in a combined dual-stack
  • TraceX real-time event viewer displays system and application threads and events
  • Responsive technical support available


Available now


Audio, Automotive, Broadcasting Solutions, Communications, Home Entertainment, Mobile Electronics, Telephony, Video, Wireless

About Fraunhofer IIS

Fraunhofer IIS is active in the area of audio and multimedia applied research and development. This includes audio and video compression, audio signal analysis, and virtual acoustics. The institute is the leading research laboratory and software developer in the area of highquality low bit rate audio coding and well-known for the mp3-invention and co-development of AAC.

Contact Information

Fraunhofer IIS

Am Wolfsmantel 33
Erlangen, Bavaria, 91058

tele: 49.9131.776.0
fax: 49.9131.776.6099

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