On 10/1/14, Tim Goetze <tim@xxxxxxxxx> 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. _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user
