Hi everybody!
There is one thing I've been thinking about regarding the psychoacoustic
models used in MPEG Audio. Do the models know about the equal-loudness
curves or do they assume that your ears have a flat frequency response? I
have studied both models described in the standard document (ISO/IEC
11172-3) and it seems to me that the models assume (apart from the ATH) that
the frequency response of the ears is flat. Am I correct? If so, could
putting a stuitable filter just before the psychoacoustic models improve the
sound quality?
Thanks for any responses to my thoughts!
Christofer Bustad
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