Concluding its six-year evaluation of Digital Audio Radio (DAR) systems, the Consumer Electronics Manufacturers Association (CEMA) filed its final report last month with the Federal Communications Commission (FCC). The report, "Technical Evaluations of Digital Audio Radio Systems: Laboratory and Field Test Results, System Performance, Conclusions," is available to the public from the FCC and through CEMA's website.
On March 12, Energy Conversion Devices, Inc. announced that Sony Corporation has expanded its royalty-bearing license under ECD's proprietary phase-change rewritable optical-memory technology to include advanced technology for use in rewritable CD and DVD optical-memory products. Phase-change technology, invented by ECD, is used in PD and CD-RW rewritable optical-memory discs.
March 9, AKM Semiconductor, Inc. introduced the AK5392, a 24-bit stereo analog-to-digital (A/D) converter based on its proprietary dual-bit delta-sigma technology. The AK5392 reportedly achieves a dynamic range of 116dB, said to be a 15dB improvement over other single-chip alternatives.
Several companies spanning the personal computer, communications, and consumer electronics industries announced March 4th the formation of a working group that will develop a specification for wireless communications in the home. This specification will allow PCs, peripherals, cordless telephones, and consumer electronic devices to communicate and interoperate with one another.
In cooperation with the International Intellectual Property Alliance, the Recording Industry Association of America filed a report in February with the United States Trade Representative outlining the problems that US record companies face conducting business in foreign marketplaces. The report highlights inadequacies in copyright protection with respect to standards and enforcement, and identifies major impediments to market access.
The Crystal Semiconductor Products Division of Cirrus Logic Inc. announced last week the availability of the industry's first digital audio transmitters and receivers designed to support the emerging 96kHz digital audio sampling rate. The new mixed-signal receivers and transmitters are targeted at both the professional audio and consumer DVD audio markets.
Last week, Intel Corporation announced its membership in the DVD WG-4 Audio Working Group, and its support for the proposed DVD audio specification, as the next steps in bringing next-generation consumer-quality audio to the PC platform.
The market for recorded music, measured by what manufacturers ship to retail and non-retail channels, experienced a decline in unit shipments and dollar value according to a Recording Industry Association of America (RIAA) report released February 19. Concurrently, accounts from US record retailers and mass merchandisers indicated a banner 1997.