Re: [LAU] Lossy audio to lossless format

On 10/1/14, Tim Goetze <tim@email-addr-hidden> wrote:
> The lowpass/antialiasing filters used for most audio productions
> usually operate very close to the Nyquist limit. Those employed in
> lossy audio data compression often (but not always) are set to a lower
> cutoff frequency. On a spectrogram, their effect is visible as a
> total absence of energy above, say, 20kHz or lower.

Thanks, Tim, I'll do some investigation.
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Received on Wed Oct 1 16:15:03 2014