[sdiy]CV-Quantizer/Wavetable Osc and static RAM
Anthony Rolando
goldenechos at hotmail.com
Mon Jun 25 16:41:21 CEST 2007
Why no sound for the video... or is my computer not working correctly???
TR
>From: m.bareille at free.fr
>To: synth-diy at dropmix.xs4all.nl
>CC: m.bareille at free.fr
>Subject: [sdiy]CV-Quantizer/Wavetable Osc and static RAM
>Date: Mon, 25 Jun 2007 13:20:16 +0200
>
>Hello,
>
>I have uploaded two homemade videos on YouTube of my new module, named the
>"Quantix8". It is a RAM CV-Quantizer,/Wavetable ocs module fully editable
>in
>real time by MIDIIt is a melt/fusion of an CV-quantiser/Wavetable with a
>MIDI
>eprom emulator ;)
>
>http://fr.youtube.com/watch?v=kMETs31mIJs
>http://fr.youtube.com/watch?v=sqBdXgT-3eQ
>
>This module is in fact quite similar to any eprom CV-Quantizer/Wavetable
>but i
>have replaced the eprom by a 1Mbit static RAM chip plus a PIC with a
>consistant
>MIDI sysex protocol to manage it. The static RAM contain two matrix of
>16x16
>waveforms of 256 samples ( 8 bits)...Waveforms are CV selectable (
>bank/wave).
>
>I have also writen a complete wavetable editor software for PC(9x/XP) to
>transmit/receive waveforms and other parameters. This software include a
>1V/Oct
>quantized CV scale generator who can compute all the possible scales
>playable
>with 12 notes and also a more 'classic' waveform generator, morphers,
>etc...
>
>Notes about videos :
>
>- i made them with a cheap web cam ...so sorry for the artistic blurrrr and
>no
>sound...
>
>- they have been recorded on the same PC used for the quantix8 demo...It is
>a
>very old PC( 1Ghz amd) so all midi transmission you can see on those videos
>are
>hardly slowed down,at least by a factor of 10 compared to the normal
>situation!
>
>- the scope monitors what's happen on the Quantix8 output
>
>- the Quantix8 input ( fast ADC)is driven by a BF generator ( the box on
>the
>scope) set for the demo at the arbitrary value of 5KHz ;) As this BF
>generator do not provide a SAW waveform (sic), i have used a Triangle and
>set
>the scope to show only the up ramp to parse all the RAM lsb adresses...
>
>More to comme on my web site very soon :)
>
>Cheers,
>
>Marc b.
>
>Papareil Synth Labs
>http://m.bareille.free.fr
>
>PS : I repost this email as the first send last nioght see to have not
>worked...
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