Toshiba Introduces Digital Signal Processor for Silicon Audio Player|
18 August, 1999
Tokyo--Toshiba Corporation today announced a new series of digital signal processors that support a wide range of audio compression formats, including those used in silicon audio players, DVD players and TVs. Samples will be available in October at ¥2,000 (US$17) and mass production will follow in November, at an initial volume of 100,000 a month.
Toshiba's new DSPs can be incorporated in decoders for MP3 and AAC (2 ch) sources, compression formats widely used in Internet audio downloads, and in decoders supporting Dolby Digital (AC-3 2ch, 5.1ch), the Digital Theater System (dts) used in DVD and other audio-visual systems, and Dolby ProLogic. The new lineup includes the first single-chip DSP solution supporting decoding of both the AAC (2 ch) and MP3 compression formats.
Recent innovations in digital audio compression formats have seen impressive gains, to the point where near-CD quality output can be obtained from a music file containing 1/10 or even less data than the equivalent CD version. Files in these formats can be downloaded files from the Internet for storage on hard drives and transferred to flash-memory-based portable audio players that are smaller than an MD player. The market for such players is expected to grow rapidly in coming years, as increasingly high-density flash-memory cards become available and the Internet becomes a major medium for music distribution. Toshiba's new DSP provides optimized support for this promising market.
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