[PD] best method for non fft spitch shiting

[nullpointer]

Hi all,

THis is slightly off topic but the algo should hold the same for both a pd
patch and a stand alone implementation.. I asked on music-dsp but no-one
knew (or could be bothered to answer).

What is your reccomendation for the best method of implementing a non fft
style delayline based pitchshifter/harmoniser in dsp. I have set up two
readpoints 50% offset from each other and crossfading at the end and
beginning of the line as an attempt to eliminate discontinuities and
transients but i still get cips and flicker at the frequency of the delay
buffer size...I understand that it is impossible to get a perfect shifter
using this method but i am sure there must be methods to improve it?

Tom
http://www.nullpointer.co.uk
http://www.dividebyzero.org
http://www.orphanrecords.co.uk
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(all suffixes enabled)

-----Original Message-----
From: _-/-_ <jdl at xdv.org>
To: max <qwerty928 at tiscalinet.it>
Cc: pd-list at iem.kug.ac.at <pd-list at iem.kug.ac.at>
Date: 18 March 2001 09:58
Subject: alsa -> Re: installing PD under mandrake 7.2


|    I'm a novice in Linux, and I cannot run PD. I've unpacked the
pd-032-linuxppc.tar, and I make it in scr dir.
|    In the shell I read: s_linux.c:26:sys/asoundlib.h: file o directory non
esistente.
|    I use Mandrake 7.2 and I've installed X interface, gcc, and
XFree-devel. When I digit "wish" a windows appear.
|    Can someone help me telling as I must compile and install the program,
or what I do to do that.
|    With many thanks

try

joe pd/pd/src/makefile

<cut>
# comment the following line out to suppress compilation
for ALSA driver
#
#SOUND_ALSA=TRUE

-- > < P u .  0 R g