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RE: Ethernet HD Music Server

HDtracks sells 96/24 and 192/24 versions of "Waltz for Debbie". According to available information, the only difference between the two versions is that between the two transfers the ADC converter speed was switched and the tape was rewound. (No DSP other than what was inside the converter.) Some of the Acousense recordings on Linn are made similarly, i.e. by capturing the output of an analog mixing desk at various sample rates. In some cases the source tracks fed into the mixer were only 96/24 but capturing at 192/24 still sounded better than 96/24 according to the recording engineer.

Another way of evaluating formats is to do conversions yourself, e.g. start with a high sampling rate and produce different versions file to file using a sample rate converter. In this case, you can be certain that there is no extra "EQ" involved, other than the particular settings used for the SRC software. The operation of the SRC is transparent, i.e. it's not magic. One can actually inspect the numeric values of the input and output samples if one is so inclined, measure frequency response and transient response of the SRC's filters, etc. (One will need at least an audio editing program and some knowledge of DSP.)

In general, the step from 44/16 to 48/24 is the largest step up in sound quality from CD, the bigger step up from 48/24 to 96/24 is not proportionally greater. From then on, diminishing returns definitely set in.



Tony Lauck

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


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  • RE: Ethernet HD Music Server - Tony Lauck 09:52:05 05/06/12 (0)

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