GENERAL DESCRIPTION

The SAA2501 audio source decoder supports ISO/IEC MPEG layers I and II and all DAB specific features as described in “Eureka 147 draft specification (EU147)”.

FEATURES

• Advanced error protection

• Integrated audio post processing for control of signal level and inter-channel crosstalk

• Demultiplexing of Program Associated Data (PAD) in the input bitstream

• Automatic digital de-emphasis of the decoded audio signal

• Separate master and slave inputs

• Automatic sample frequency and bit-rate switching in master input mode

• Automatic synchronization of input and output interface clocks in master input mode

• Selectable audio output precision; 16, 18, 20 or 22 bit

• Low power consumption

• Decoded sub-band signal and error flag outputs for error concealment.

APPLICATION

• Digital Audio Broadcast systems as defined in “Eureka 147”.