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This article is from the MPEG FAQ, by Frank Gadegast phade@cs.tu-berlin.de with numerous contributions by others.

59 What are the latest audio demonstrations disclosed by Fraunhofer-IIS? (MPEG Audio Layer-3 Support by Fraunhofer-IIS)

At the Tonmeistertagung 11.94 in Karlsruhe, Germany, the IIS
demonstrated:
- real-time Layer-3 decoder software (mono, 32 kHz fs) including sound
output on ProAudioSpectrum running on a 486DX2/66
- playback of Layer-3 stereo files from a CD-ROM that has been produced
by Intermetall and contains Layer-3 data of up to 15 h of stereo music
(among others, all Beethoven symphonies); the decoder is a small board
that is connected to the parallel printer port. It mainly carries 3 chips: a
PLD as data interface, the MAS 3503 C stereo decoder chip, and the
ASCO Digital-Analog-Converter. The board has two cinch adapters that
allow a very simple connection to the usual stereo amplifier.
- music-from-silicon demonstration by using the standard 1 Mbyte
EPROMs to store 1.5 minutes of CD-like quality stereo music
- music link (with around 6 kHz bandwidth) via V.34 modem at 28.8 kbps
and one analog phone line

 

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