[vorbis] 22050 Hz in vorbis rc3?

Michael Smith msmith at labyrinth.net.au
Wed Mar 20 00:24:37 PST 2002



At 08:08 AM 3/20/02 +0100, you wrote:
>Jack Moffitt wrote:
>> Last I saw, the BBC was doing just fine with managed bitrates.
>> 

Jack meant to say '... with non-managed bitrates', here.

>> Just use 44.1kHz input.  It's not going to be that much different than
>> 22.05kHz input when all is said and done (libvorbis will lowpass it to
>> effectively the same place anyway).
>
>But you can't get as low as 24 kb/s with it, can you?
>
>I made some tests, and it seems that when setting 24 kb/s managed 
>bitrates, rc2 does the following under different sample rates:
>
>44.1   kHz - 60-63 kbps
>22.05  kHz - 38-41 kbps
>11.025 kHz - 24-25 kbps

This is not with rc2 managed bitrates, such a thing doesn't exist. 
This is equivalent to what happens using non-managed modes in rc3,
and you should get comparable (but superior) results with rc3.
You've been told this more than a few times now.

<p>Michael

<p>--- >8 ----
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