Subject: Re: [linux-audio-user] stretching sound
From: luis jure (ljure_AT_multitel.com.uy)
Date: Sat Nov 29 2003 - 14:51:42 EET
el Sat, 29 Nov 2003 11:51:42 +0100 (MET)
Oyvind Hammer <oyvind.hammer_AT_nhm.uio.no> escribió:
> I would guess that
> 1024 or perhaps 2048 should be good, and similar for fft length.
> *Not* as high as possible!
i second that opinion (not that it matters much, i'm no dsp expert..).
> Window type doesn't matter much [...]
here i disagree. triangular would be inconvenient, as well as kaiser with a
low coefficient (approaching a rectangular window). i'd try something
between 0.35 and 0.6 to start.
> - I usually use Hanning (not Hamming).
those are good bets, as well as blackmann windows, which i usually prefer
for certain applications.
lj
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