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Second, and a philosophy which has dominated the world of classical recording since the early '60s, is to record the orchestra as though it were a giant rock band. Every instrument or, at best, group of instruments is given its own microphone; the engineer tries to minimize the acoustic leakage from one mic to another; the output of each mic is fed to a separate track on a multitrack recorder; and for the mixdown to stereo, the engineer assigns a precise position along the line joining the two loudspeakers to each track. Artificial reverberation and tonal equalization are often added, to "sweeten" the sound, and, just as with a typical rock recording, the producer "balances" the level of all the tracks to produce what to his or her ears is the "best" sound.
I tried to explain the reasons behind this recording philosophy in Vol.11 No.11, pointing out that its protagonists regard the recording of classical music as a different art form from the live performance of the same music. Fundamentally, however, I have to say that such a stripping down of a musical event to its bare essentials at the time of the sessions and attempting to put it back together again during the mix is doomed to failure. Think of the Second Law of Thermodynamics—think of Humpty Dumpty!
An interesting letter this month from Hank R. Bernstein comments on one of the conclusions I drew in last November's essay: that it is possible to judge the quality of a hi-fi component using music that has no original reference; rock or jazz using electric instruments, for example. Mr. Bernstein feels very strongly that this is fundamentally unsound in that the reviewer is then unable to communicate any real description of the component's sound to a reader: "In the end all that reviewer can tell me is that he liked or disliked what he heard: that the sound of the electric guitar seemed to come from a proper position on the stage, that the effect was quite dramatic as the sound was made to cascade across the listening stage at some propitious musical moment, that the component under consideration reproduced these engineered effects well, or better than brand X component which he had reviewed or listened to the month before."
Without the absolute reference standard of unamplified acoustic music in its performance venue, a standard suggested by J. Gordon Holt in last October's "As We See It," Mr. Bernstein suggests that the reviewer's conclusions are useless to the reader. He goes on to say that, with the absolute sound used as a reference, however, the reviewer can offer the reader observations about reproduced sound that are meaningful: "He may tell me that the music is recessed, as if I were in Row R instead of Row D; that the timbre of the cellos is true but that the sound of massed strings is a bit more brittle than what one would hear in live performance."
In broad principle, I would not take issue with any of Mr. Bernstein's reasoning. However, I have to point out from a practical standpoint that a reviewer who assesses components solely on whether they help a system more or less closely resemble the sound of live, unamplified music will paradoxically very quickly fall into error! This, of course, is not because the absolute sound of live music is not something to which we all aspire, but because it is almost never available in the context of recorded music except in very broad background terms.
If this sounds confusing, let me examine the implications of the statement that it is more useful to the reader to be offered the observation that a component makes a classical recording sound as if the listener were "in Row R instead of Row D" at a live performance. As a piece of anecdotal information, describing what happened when a component was inserted in a "reference" system, this statement can't be criticized. However, as a value judgment it falls short of the mark, for it assumes that the record used to form the observation has within its grooves the ability for a perfect system to reproduce the sound of live music in the listener's room.
'Tain't so, fella. Only if a classical record has been made with everyone involved—from musicians to recording engineer to producer to cutting engineer—concerned with the accurate preservation of every aspect of the original sound and performance, will this assumption be correct. Otherwise, the listener has to use a recording that is no different in kind from a multitrack rock recording to judge the sound of a component, and that record will have probably been considerably altered from the "sound of live unamplified music" in just about every way.
I like this ....... "to use the sound of amplifiers and loudspeakers for the evaluation of the amplifiers and loudspeakers is ridiculous" :-) ...........
May be binaural recordings of audio of the orchestra where the audience usually sits, is better than conventional microphone recordings with microphones placed on the stage or close to the stage, is better for evaluation of 'the absolute sound'? :-) ..............
The binaural recordings are also very useful for evaluation of headphone/IEM based audio systems :-) ......
Yes JA, I totally agree with you .......... A reviewer should ideally evaluate any audio equipment using all types of music, classical, rock, pop-rock, electronic, instrumental, jazz etc.etc ........... Yes ..... like Louis Armstrong & Duke Ellington song "It Don't Mean a Thing (If It Ain't Got That Swing)" :-) ............
The audio reviewer can always say, this particular speaker (for example) sounds good with classical music, however it may not be suitable for rock music ......... The reviewer can say the bass drums in the rock music sound somewhat bloated and loose and less impactful :-) ..............