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Fraunhofer Institute for Integrated Circuits
CDs and other physical sound recording media are now increasingly the domain of the seasoned audiophile, with many music-lovers opting to take a more convenient route and purchase music in digital formats from one of the many online services now available. The benefits for both producers and retail portal operators from this change in consumer behaviour could be immense. As this new world of music consumption takes shape, Fraunhofer IIS is ready to provide technologies which allow for lossless storage of music content at a quality superior to that offered by CD. Online distribution of surround sound content is also an option thanks to effective compression and compatibility with conventional players.
Content provision / distribution
Audio codecs:
- mp3: The standard for compressed music
- AAC-LC: Most common AAC profile, used e.g. by iPod
- HE-AAC, HE-AAC v2: Improved quality below 64 kbit/s
- HD-AAC: Lossless audio coding compatible to AAC
- AAC-ELD, AAC-LD: Full bandwidth, low delay audio coding
- MPEG Surround: 5.1 sound at stereo bitrates
- mp3 Surround: 5.1 sound at mp3 stereo bitrates
- MPEG SAOC*: Music 2.0: Interactive remixing / karaoke
Video Codecs:
Surround Audio Technologies:
- mp3 SX: Enhances stereo mp3 files towards 5.1
- MPEG Surround: 5.1 sound at stereo bitrates
- SX Pro: Creates surround content from any stereo content
- mp3 Surround: 5.1 sound at mp3 stereo bitrates
- mp 3D: Improved playback of stereo and 5.1 over headphones
- HE-AAC, HE-AAC v2: For discrete 5.1 sound at low bit-rates
Streaming Systems:
- Streaming clients for the Apple iPhone® SDK
Broadcasting:
- DVB-H: Encoder and player software for mobile TV
- DAB Surround: DAB in 5.1 sound compatible to all receivers
- DAB+: Next generation DAB standard
- mp3 Surround: 5.1 sound at mp3 stereo bitrates
* currently under standardization in MPEG
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