[opus] Antw: Re: Antw: Re: OPUS vs MP3

Ulrich Windl Ulrich.Windl at rz.uni-regensburg.de
Mon Nov 6 07:46:07 UTC 2017

>>> Sampo Syreeni <decoy at iki.fi> schrieb am 04.11.2017 um 23:05 in Nachricht
<alpine.DEB.2.11.1711042340030.30067 at lakka.kapsi.fi>:

> One obvious problem at the lowest end is its filter bank. It simply 
> hasn't the resolution to model what's happening at the lowest of the low 
> end, perceptually speaking. After all at LF we get the heavy attenuation 

Where is that lowest of the low end, expressed as frequency?

> of the cochlea, combined with *extremely* compressed pitch sensitivity. 
> No sane MDCT-based coder allocates many bits there, and LPC-based ones 
> can often do even better because of the pitch sensitivity side of 
> things.

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