[speex-dev] sampling rate
ryandl2003 at yahoo.com
Tue Oct 22 18:29:38 PDT 2002
It seems to work ok with the same audible quality as a
standard sampling rate. Is there any way to test this?
Will superimposing an inverse wave over the origional
produce a meaningfull result? Thanks for your time,
Ryan de Leeuw
<p><p>>Sorry for the delay. I've been doing a couple tests
>and what I'd suggest
>is encoding using the narrowband (8 kHz normally)
>mode even though your
>data is at 11.025 kHz. It won't work for wav input
>(for now) but it will
>work for raw audio. Note that your mileage may vary
>depending on the
>input. There may be some noise in the high (~5 kHz)
>band, mostly is
>there is lots of energy in the low-band (you may want
>high-pass). This is because it's sometimes hard to
>encode audio when
>there's a high energy difference (80-100 dB) between
>low frequencies and
>Jean-Marc Valin, M.Sc.A.
>Université de Sherbrooke, Québec, Canada
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