[LAU] Lossy audio to lossless format
egor.sanin at gmail.com
Wed Oct 1 10:00:20 UTC 2014
On 10/1/14, Tim Goetze <tim at quitte.de> 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.
More information about the Linux-audio-user