Cirrus Logic has introduced a single-chip audio processor (CS49700) to work with both HD DVD and Blu-ray Disc formats, despite both systems' incompatibility with each other.
Cirrus said the CS49700 chip enables more cost-effective mass marketing of home theater products--primarily audio/video receivers, Blu-ray and HD DVD players, as well as both disc formats' combo player units.
While today's non-HD video disc protocols call for chips that support two primary audio decode surround-sound standards (Dolby Digital and DTS), the newer Blu-ray and HD-DVD formats include audio processor ICs that must support up to six surround sound audio algorithms--including Dolby Digital, Dolby Digital Plus, Dolby TrueHD, DTS, DTS Master and DTS High Resolution--according to the Austin, Texas firm.
Cirrus said its new single chip generates processing power of the equivalent of about 300 million instructions per second.
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