MATRIXSYNTH: Prototype CV Sampler by Bruce Duncan of Modcan


Thursday, August 03, 2006

Prototype CV Sampler by Bruce Duncan of Modcan

Via Paul Sop:

"Bruce Duncan of Modcan completed a prototype of a CV sampler (vs. audio sampler). MP3's and discussions are in the Modcan Yahoo Group. He hopes to release it before the end of the year. He's been inundated with feature requests, CV delay, granulation, looping, etc... not withstanding, so if you have any specific needs for CV delay control, post to the Modcan Yahoo group so he knows your interest and can plan for it.

link"

Update from Paul Sop:
"Here is a URL to a pic I took from the file area of the group:

http://www.paulsop.com/gear/modcan/cv_recorder.jpg

Here are 2 good mp3's (some examples are not so good):

cv_recorder_chained1.mp3
cv_recorder_Drumloop.mp3

The second one uses low-freq sampling of a drum loop. Bruce's CV sampler is not for audio (he's making one of those too), but it can be used for some really nice crunchy trance like low-freq effects too.

He also has examples using it as an LFO:
cv_recorder_LFO.mp3
cv_recorder_LFO2.mp3

The neat thing is, if you slow down the play back rate, the CV-Sampler becomes a sequencer. You could feed its output into a quantizer, and well, there you go!"

Awesome. Thanks Paul!

6 comments:

  1. This is exactly the type of module I was thinking about. I'm so glad Bruce is going to make one. Long live Modcan!!!

    The audio sampler module sounds cool too. There's alot you'd have to think about before building that one though.

    ReplyDelete
  2. I get the sense that Bruce is not looking to build the 'ultimate CV sampler', but rather, build a few sampling modules each with different expressive functions.

    I've been gunning for more 'granular' features. Even a 'granular record in' -- that is where you loop a sample, but your audio-in gets granulated forwards and possibly backwards from the current playback point, so you slowly mix the incomming sound with what is there already. This is one of Doktor Future's tremendous ideas. If you implement it, give me props.

    ReplyDelete
  3. Emu modulars had this years ago.
    A glorified digital sequencer really.

    ReplyDelete
  4. This thing is sick. I can think of many ways to use this module.

    ReplyDelete
  5. From Bruce when someone asked about availibility

    'I have done a complete redesign to be a 12bit version and increased the memory to 150 times the previous version. Also have increased it to a quad 4 in/outs recorder.'

    ReplyDelete
  6. Bruce also says:

    "I am still working on the CV recorder project and have moved to a 12 bit design using a Microchip 64 pin DSP uP running at 30Mips with Cypress 4MB SRAM. Also it has Quad I/O now.

    I can do a quad 14kHz sample of 6 sec. duration at the fastest rate or a 14Hz sample for 1.66 hours at the slowest sample rate.

    At the fastest rate it does audio reasonably well although still not CD quality.

    Still about twice the sample rate of a telephone at 8kHz though.

    The 12 bit resolution has removed any audible stepping even at very slow playback."

    w00t!

    ReplyDelete

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