home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
PC World 2007 March
/
PCWorld_2007-03_cd.bin
/
audio-video
/
reaper
/
reaper174-install.exe
/
Effects
/
Meters
/
tonemeter
next >
Wrap
Text File
|
2005-06-24
|
914b
|
52 lines
desc: tone meter (left channel only) -- doesnt really work
slider1:750<1,2000,10>block size (ms)
slider2:250<1,2000,10>update interval (ms)
slider3:0,octaves from a440
slider4:0<0,11,1{A,A#,B,C,C#,D,D#,E,F,F#,G,G#}>note
slider5:0,cents
slider6:0,freq (Hz)
@slider
bsize=(slider1*srate*0.001)|0;
bpos=0;
zccnt0=0;
ls0=0;
updlen=slider2*srate*0.001;
isc=srate/bsize;
@block
updcnt+=samplesblock;
updcnt>updlen ?
(
updcnt=0;
oofs=log(slider6/440)/log(2);
slider3=oofs|0;
slider4=(oofs*12+0.5)%12;
slider5=((oofs*12+0.5)*100)%100 - 50;
sliderchange(4+8+16+32);
);
@sample
// count zero crossings
ts0=spl0>0;
ts0 && ls0 ? zccnt0+=1;
ls0=!ts0;
lcnt0=lzccnt0+zccnt0-bpos[0];
bpos[0]=zccnt0;
slider6=lcnt0*isc;
// advance buffer
bpos+=1;
bpos >= bsize ? (
bpos=0;
lzccnt0=zccnt0;
zccnt0=0;
);