Barry Willis

Recently, Analog Devices announced the worldÆs first High Definition Compatible Digital (HDCD) decoder chip with 32-bit internal precision. The ADSP-21061 SHARC programmable digital signal processor will enable HDCD decoding to be incorporated into a wide variety of consumer audio and home-theater products, according to an AD press release dated March 26. The SHARC DSP can perform up to 150 million operations per second, and includes one megabit of onboard memory, six DMA channels, and two serial ports. The highly integrated decoder is claimed to perform HDCD decoding without external memory.

"Digital audio quality at analog prices." ThatÆs how Cirrus Logic's Crystal Semiconductor division introduced a chip that may bring a new level of audio performance to a much wider audience. On April 6, Crystal announced its CS4334, an 8-pin, small-outline D/A converter. The 24-bit CS4334 will support sampling rates of up to 96kHz, and is being marketed as a low-cost, high-quality solution for computer, automotive, and portable audio applications, as well as DVD systems and set-top converter boxes. Crystal claims the new chip is the industryÆs smallest delta-sigma DAC.

More than 50 independent music labels ("indies") have signed on with Liquid Audio, the leading provider of music downloads over the Internet. The announcement was made March 19 at South by Southwest (SXSW), an annual music and media conference in Austin, Texas.