Single-chip DSP for AAC and MP3 format

Electronics Times, March 13, 2000

Toshiba Electronics can now supply a series of single chip DSPs which supports a wide range of audio compression formats, including those used in silicon audio players, DVD players and TVs.

The series includes the TC9446F-004, which supports the decoding of both AAC and MP3 compression formats, and the TC9446F-003, which supports encoding for Dolby Digital ProLogic and other audio-visual, including DVD. Both devices feature a 24bit x 24bit processor, 12kword data ram and 12kword program rom. In addition, there is a 128word program ram and up to 1Mbit external SRAM which can be used as data ram.

Operating from 3.3V supplies, the TC9446F series offers low power consumption in a 100pin QFP package and has an instruction cycle of 15.4ns. The devices also have digital audio input according to I2Sbus standard with four output ports and two input ports.

Toshiba Electronics Europe
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