SynthMaker

Pitchshifter...

Archive · 2005 11 old posts

From the original SynthMaker forum (2004–2014), with its members’ names and dates.

sambean ·

Hello Again

Just been working on a time-domain pitchshifter (tested it works properly this time!)..

Straightforward controls

Pitch- 50% - 200% Source- percussion or pitched, this controls the size of the delay buffer

larger buffers have better quality but transients tend to get spread out..

I've included the VST so you can just plug'n'play

http://rapidshare.de/files/3189778/Pitc ... r.zip.html

Any comments welcome

Sam

ps where's a good place to upload pics to so I can link from here, screenshots etc..

Shifrin ·

I'll check it out laters, thanks for sharing 🙂

Cheers,

Shif.

Tom7777 ·

Thanks sambean 🙂

lalo ·

thanx man....i'll test it later 🙂

lalo

malc ·

Great stuff Sam.

If you email pics to us we'd be happy to host them for you.

aicto ·

Sam,

Could you post the pitchshifter again? The above link has been deleted and I'd enjoy playing around with it if possible.

Thanks, Leslie

oddson ·

I have it on my server: http://members.shaw.ca/oddson/pitchshifter.osm

sunsynth ·

Hi oddson,

thanks 4 the working link... 🙂

i don't want disturb your conversation but:

Is there a way 2 synchronize the stereo-channels?

If i feed this beauty with a stereo.wav it gives a delay effect between the 2 Channels...

I think it's hard 2 code, but who knows?

SUNsynth

sambean ·

Thanks for sorting that oddson 🙂

I just had a look over the schematic and I think it's actually meant to be a mono effect, there should just be one input going to the two shifting modules. If you want to make it stereo you'll need two pitchshifters.

It's been a while since I knocked this up and looking at it, it seems pretty inefficient, but still sounds quite nice.

Here's another attempt I made at a pitchshifter module: http://freespace.virgin.net/cc.lai/Harm ... orus_3.osm

Quality's still a bit ropey though

Sam

rlahalla ·

Thanks for the example sam! And also thanks for upping the pitchshifter oddson....seems I lost the copy I had? Oh well, thanks guys...🙂

aicto ·

Thanks for the new rev Sam. I've been playing with it and it's pretty cool.

Do you have any thoughts on one that will just resample at half sample rate (down one octave) and/or double sample rate (up one octave)? Trying to eliminate artifacts at these two shift values.

Leslie

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