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Martin Colloms Nov 24, 1992 0 comments
Martin Colloms (footnote 1) suggests that the traditional ways of assessing hi-fi component problems overlook the obvious: does the component dilute the recording's musical meaning?
Features, Reference
Peter W. Mitchell Aug 29, 2004 Published: Sep 01, 1992 0 comments
Someday we may speak wistfully to our grandchildren about the "golden age" of digital audio when consumer formats (CD and DAT) contained a bitstream that was an exact bit-for-bit duplicate of the original studio master recording—not a digitally compressed, filtered, copy-resistant version whose sound is "close enough" to the original. Digitally compressed formats such as DCC and MiniDisc represent, in effect, a return to the pre-CD era when consumer-release formats were always understood to be imperfect copies of the studio original. Even the most ardent audiophile accepted the fact that LPs and mass-produced tapes did not, and could not, sound as good as the master tapes they were derived from.
Features, Reference
John Atkinson Jun 30, 1995 Published: Jun 30, 1992 0 comments
One of the great imponderables in hi-fi is how much the vibrations of a dynamic loudspeaker's cabinet walls contribute to its overall sound quality. Studies by William Stevens in the mid-1970s showed that, with some speakers, the acoustic output of the enclosure could be almost as much as that from the drive-units. Since then, responsible speaker designers have worked hard either to damp cabinet vibrations or to shift them to higher frequencies where their effect on the music will be less deleterious.
Reference
Robert Harley May 30, 2004 Published: Feb 01, 1992 0 comments
At the February 1991 Audio Engineering Society Convention in Paris, Audio Precision's Dr. Richard Cabot (see my interview in January 1991, Vol.14 No.1) proposed a new technique for measuring noise modulation in D/A converters (footnote 1). The method, based on psychoacoustic principles, attempts to predict the audible performance of D/A converters. Now that Stereophile has added digital-domain signal generation and analysis to our Audio Precision System One, we can employ Dr. Cabot's technique and see if there are any correlations with subjective performance.
Features, Reference
Robert Harley Jan 01, 1992 0 comments
Editor's Note: This article is now only available as an Audio Engineering Society preprint, under the title "The Role of Critical Listening in Evaluating Audio Equipment Quality," preprint number 3176. The price is $4.00 for AES members, and $5.00 for non-members; it can be ordered (currently on paper only, not as a downloadable pdf) by entering the number in the appropriate field on the preprint search page at the AES website.
Reference
Robert Harley Jul 04, 2004 Published: Jan 01, 1992 0 comments
"How sour sweet music is
When time is broke and no proportion kept!"
Reference
Martin Colloms Dec 29, 1991 0 comments
Bass constitutes one of the least understood aspects of sound reproduction. Opinions vary greatly on matters of bass quality, quantity, and perceived frequency range or response. Moreover, the bass region is subject to the most unwanted variation in practical situations due to the great influence listening-room acoustics have on loudspeaker performance. Every room has its different bass characteristic, and changes in the position of speakers or listener also constitute major variables at low frequencies.
Reference
Corey Greenberg Dec 21, 1991 0 comments
High Fidelity Audio/Video Systems: A Critical Guide for Owners
by Howard Ferstler
253 pages, $23.50 softcover. Published by McFarland & Company, Inc., Box 611, Jefferson, NC 28640. Tel: (919) 246-4460.
Reference
Peter W. Mitchell, Robert Harley Dec 10, 2013 Published: Dec 01, 1991 13 comments
Editor's Introduction: In 2013, lossy compression is everywhere—without lossy codecs like MP3, Dolby Digital, DTS, A2DP, AAC, apt-X, and Ogg Vorbis, there would be no Web audio services like Spotify or Pandora, no multichannel soundtracks on DVD, no Bluetooth audio, no DAB and HDradio, no Sirius/XM, and no iTunes, to quote the commercial successes and no Napster, MiniDisc, or DCC, to quote the failures. Despite their potential for damage to the music, the convenience and sometimes drastic reduction in audio file size have made lossy codecs ubiquitous in the 21st century. Stereophile covered the development of lossy compression; following is an article from more than two decades ago warning of the sonic dangers.—Editor
Corey Greenberg Nov 06, 1995 Published: Nov 06, 1991 0 comments
"An' then ya bring alla ground wahrs to uh, uh single po-wint..."
Reference
Thomas J. Norton Oct 07, 1991 0 comments
Room acoustics, and their importance, may not be subjects which we ponder daily here at Stereophile, but they are never far from our consciousness. Two recent events served to spotlight them yet again: the setting-up of our first-ever panel listening test of moderately priced loudspeakers (Vol.14 No.7), and a letter from a reader requesting advice on room problems. Both reminded us---if a reminder was needed---that although the perfect room does not exist, there are things that can be done to make the most of even an admittedly difficult situation. That reader's letter, in particular, brought home the fact that we cannot really discuss this subject too often. It's easy to forget that comments made here months (or years) ago are beyond the experience of newer readers. A new audiophile's most frequent mistake is to overlook the significance of his or her listening room, while the experienced listener will too often take the room for granted.
J. Gordon Holt, Reference
J. Gordon Holt Mar 19, 1991 0 comments
In the real world, "knowledge is power" means that if I know more about something than you do, I am better able than you to control it or use it to my own advantage. This is no less true in high-end audio, where a gut-level understanding of how a component works can free its owner from the constraints and frequent inaccuracies of instruction manuals, folklore, advertisements, and the nugatory, nullifidian nonsense in the mainstream audio press assuring you that most of what you know damn well you are hearing is really only a figment of your imagination.
Reference
John Atkinson Mar 07, 2004 Published: Dec 01, 1990 0 comments
Jitter is not what digital sound quality induces in the listener; rather it is the instability in the clock signal that controls exactly when the analog waveform is sampled in the original A/D conversion, or when the digital word input into a DAC results in an analog voltage being produced at the chip's output. "So what?" is the response of digital advocates, "As long as a digital one is recognized as a one and a digital zero as a zero, then how can there be any difference in sound?" goes their argument, normally culminating in a fervently expressed "Bits is bits!"
Reference
Robert Deutsch Nov 29, 1990 0 comments
Tweaks have acquired a bad reputation in certain sectors of the audio world, probably with some justification. Warming the cartridge to exactly the right temperature, suspending cables from the ceiling (but not with cotton string; it sounds grainy and dry), stroking CD cases with a "magic" brush, drinking "polarized" (or is it de-polarized?) water before a listening session---gimme a break!
J. Gordon Holt Jul 14, 1990 0 comments
While the LP-vs-CD debate continues unabated among high-end audiophiles, the rest of the world has already closed the book on the venerable LP. All but a few specialized classical record companies (footnote 1)(and some weird magazines) have ceased releasing new LPs, few record stores sell them any more, and consumers who wouldn't be caught dead owning something that wasn't trendy have long ago dumped their LP collections for cents on the pound.
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