Re: [sc-users] PlayBuf Reverse Payback Help

[Saman Badakhshan <sb334@xxxxxxxxxxxx>]

I want to use PlayBuff to play sounds in reverse.  As far as I can see 
from the help file, all you have to do is pass the rate argument a 
negative value between 0 and -1 for reverse playback.  But for some 
reason my code is only playing back sound when I pass in posative rate 
values.

(
SynthDef(\play, { arg out = 0, bufnum = 0, loop = 0.0, startPos = 0.0, 
trig = 1.0, rate = 1.0;
   Out.ar(out,
       PlayBuf.ar(1, bufnum, BufRateScale.kr(bufnum)*rate, trig, 
startPos, loop)
   )
}).load(s);
)

(
var buf;
buf = Buffer.read(s,"sounds/a11wlk01.wav");

//Forward rate.
Synth(\play, [\out, 0, \bufnum, buf.bufnum, \rate, 1.0]);

//Backwards rate, but this line wont play any sound.
Synth(\play, [\out, 0, \bufnum, buf.bufnum, \rate, -1.0]);
)




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