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Violin, Viola,Cello background noise

Can anyone identify the quiet, but obvious "shushing" sound found to some degree in all CD recordings of string section performances? It seems to be most apparent in sonatas and other chamber music. I can notice this sound with all my speaker sets, CD players, and amps, both tube and solid state. The sound is present to some degree from every CD manufacturer regardless of whether the recording is DDD or ADD.
tilghman

Showing 1 response by eldartford

eldartford
4,262 posts
 
I don't think it is dither. Dither is only toggling of the least significant bit, which, with normal gain, is not audible, and would be a pure tone, not a "shushing" sound.

Even with a digital master recording some analog amplification of the microphone is involved, and might contribute some noise. More likely, the analog stages of your digital source may be noisy.
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