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Upsamplers, DACs, jitter, shakes and analogue withdrawals, this is it.

Psycho-acoustics, not information theory

Every recording has an optimum volume at which it should be played. Playback at anything other than this volume will result in a loss of realism and/or musical impact. A 1 dB change in volume is just barely adequate for this purpose, and a 2 dB change is too coarse. It is not possible to fix matters by bass boost. If there is no volume setting where playback sounds natural, then there is probably something wrong with the recording or the playback system may be unsuited to the scale of music.

Generally, the optimum volume corresponds to the volume used to monitor the recording during the final stages of production. The actual sound pressure level will depend on the type of music and the style of recording (e.g. close or distant sonic perspective). Use whatever combination of digital and analog control works best for your system when playing your recordings. If you have a coarse analog volume control you may find it worthwhile to fine tune using a digital volume control. IMO it is desirable to have stepped volume control or some other repeatable means of control.

When listening to background music one can turn down the volume any convenient way. It doesn't matter exactly how things sound. Presumably there are other more important matters than music, otherwise why was the music turned down?



Tony Lauck

"Diversity is the law of nature; no two entities in this universe are uniform." - P.R. Sarkar


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