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XM">http://www.xmradio.com">XM Radio held a press conference in New York City Thursday, April 18. The event was heralded with great secrecy—attendees were enticed with promises of "major news," but no one leaked details beforehand, and the press arrived expecting something juicy indeed.

After enduring frustrating">http://www.stereophile.com/news/10942/">frustrating delays, XM">http://www.xmradio.com">XM Satellite Radio announced the successful launch last week of its first satellite, which the company has named Rock. XM reports that lift-off occurred off the Sea Launch Odyssey Launch Platform in the open waters of the Pacific Ocean on the equator, and that the first signals from the satellite were captured by a ground station in Australia a little over an hour later, as planned.

Beginning next year, XM">http://www.xmradio.com">XM Satellite Radio won't merely offer 100 channels of news, sports, talk shows, and the entire spectrum of music nationwide. Thanks to a partnership announced May 30 with Command">http://www.commandaudio.com">Command Audio Corporation, XM will allow listeners to personalize their radio programming.

Irony reigns supreme on this week's installment of XM Daze.

It's no wonder the public is confused about audio formats and sound quality, Consider claims such as the recent "major breakthrough" announcement concerning two audio technologies from Creative Technology, a company best known for making PC peripherals (most notably the Sound Blaster audio cards).

Speaking at the Music 2.0 conference in Los Angeles on February 23, Yahoo Music's general manager Dave Goldberg startled listeners with a statement probably never previously heard from the head of a for-pay digital music service: Lay off the DRM.

For years now, Internet users willing to walk on the audio wild side have had access to millions of illicit music files via peer-to-peer file-trading services. But those who have tried to find locate of the commercial sources for online music files have found their choices limited.

Yamaha Electronics Corporation has introduced four new A/V digital home-theater receivers equipped with XM Satellite Radio capability (XM-Ready). The $649.95 RX-V757, $549.95 RX-V657, $449.95 RX-V557, and $349.95 RX-V457 will allow users to plug an XM Connect-and-Play home antenna into the Yamaha XM-Ready A/V receiver and activate the XM service to receive 150-plus digital radio channels—no other accessories or installation are required. Using XM's industry-leading chipset technology, as well as a new proprietary chip and signaling protocol, the XM Connect-and-Play home antenna is capable of receiving XM's satellite and terrestrial signals, in addition to performing channel tuning, decoding, and audio transmission functions.

High-resolution digital audio got a big boost on March 2, when Yamaha Electronics Corporation announced the release of its new RX-V1, a multichannel receiver featuring Burr-Brown PCM 1704 24-bit/96kHz DACs for all 10 channels, including two subwoofer outputs. Six of the channels are full-range with amplifier power of 110W each, with claimed frequency response beyond 100kHz.

Digital audio took another lurch forward at Comdex '97 with the display of Yamaha's FireWire-to-PCM converter technology.