[vorbis-dev] Stereo mode settings

Stephen So s.so at griffith.edu.au
Tue Feb 17 02:16:56 PST 2004



Segher Boessenkool wrote:

>>>> You could test this effect on monoaural files.
>>>> The "HF boost" will still be present.
>>>> It's because of heavy quantization. The SNR is *so*
>>>> low at high frequencies in low bitrate modes, that the
>>>> quantization error increases energy noticably.
>>>
>>>
>>> Ooh, if *this* causes that "HF boost" problem, I know how
>>> to fix it (I fixed it for Lame a few years ago ;-) )
>>
>
> Well it was not exactly what I thought.  So I started investigating
> other "suspicious" things.

<p>Oh darn. :(  Care to shed some light on what you thought it was? :)

<p>Best regards,

Steve.
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