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Topic: Anyone tried ATH Type 5 in the Beta? (Read 1644 times) previous topic - next topic
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Anyone tried ATH Type 5 in the Beta?

ATH Type 5

"Once in the past, I was not satisfied with the existing LAME ATH (absolute threshold of hearing) curves at frequencies above 15 kHz. It seemed that existing curves concentrated relatively little on that region. (Plot an ATH curve on a logarithmic frequency scale, and imagine why.) Over one fifth of the available information bandwidth of a signal limited to 19 kHz, for example, occurs over 15 kHz. Relatively low interest in this frequency region often leads to aggressive encoder behavior, justified at low bit rates, but not at open bit rates that seek to preserve practically everything humanly audible."

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