Now there are four. The music industry's "Big Five" record labels officially became the "Big Four" on Thursday, August 5, as Sony Music Entertainment and Bertelsmann Music Group (BMG) finalized a merger months in the making. The partners are the music divisions of Sony Corporation and German media conglomerate Bertelsmann AG, respectively.

Is there a future for high-resolution audio? Will the music industry survive as a packaged-goods business? The answer to both of these questions is "Yes, probably . . ." if the DualDisc follows test market indications and become next year's must-have entertainment format.

From 2000, Brian Damkroger checks out the seductive <A HREF="http://www.stereophile.com/digitalsourcereviews/1000oracle">Oracle CD player</A>, commenting, "I couldn't help but wonder if the Oracle's sonic performance would be as unique and spectacular as its looks."

Once again, audiophiles can help themselves and others at the same time by participating in The Cable Company's ninth annual "Summer Against Hunger" campaign. <A HREF="http://Usedcable.com/">The Cable Company</A> and a wide cross-section of its vendors (listed below) have set up a program by which up to 10% of The Cable Company's August sales are donated to <A HREF="http://www.careusa.org/">CARE</A&gt; and the <A HREF="http://www.theirc.org/">International Rescue Committee</A>, with contributions to be used to assist the worldwide disaster relief efforts of those humanitarian organizations.

<A HREF="http://www.mcintoshlabs.com/">McIntosh Laboratory</A> unveiled for the press three new products that they will be showing at CEDIA next month. They are the MX135 A/V Control Center (already shipping), the MVP861 Universal Player, and the MC207 7-channel Power Amplifier, all with McIntosh's signature design and cosmetics.

Until recently, all problems in digital audio systems were blamed on either the analog/digital converters (ADCs) used in mastering or the digital/analog converters (DACs) needed for playback (footnote 1). As the performance of both ADCs and DACs improved, however, a previously unrecognized mechanism for distortion was unmasked: jitter. As we shall see, jitter&mdash;or, more correctly, word-clock jitter&mdash;can be a significant limitation in the technical and sonic performance of digital audio systems (footnote 2).

Until recently, all problems in digital audio systems were blamed on either the analog/digital converters (ADCs) used in mastering or the digital/analog converters (DACs) needed for playback (footnote 1). As the performance of both ADCs and DACs improved, however, a previously unrecognized mechanism for distortion was unmasked: jitter. As we shall see, jitter&mdash;or, more correctly, word-clock jitter&mdash;can be a significant limitation in the technical and sonic performance of digital audio systems (footnote 2).

Until recently, all problems in digital audio systems were blamed on either the analog/digital converters (ADCs) used in mastering or the digital/analog converters (DACs) needed for playback (footnote 1). As the performance of both ADCs and DACs improved, however, a previously unrecognized mechanism for distortion was unmasked: jitter. As we shall see, jitter&mdash;or, more correctly, word-clock jitter&mdash;can be a significant limitation in the technical and sonic performance of digital audio systems (footnote 2).