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JLS
Joined: Nov 05, 2005 Posts: 490 Location: Czech
Audio files: 30
G2 patch files: 316
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JovianPyx
Joined: Nov 20, 2007 Posts: 1988 Location: West Red Spot, Jupiter
Audio files: 224
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Posted: Thu Jun 09, 2011 5:57 am Post subject:
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Hi JLS,
Not much news really. After I expanded the Tonal Drum to 55 drums, I recorded Bach's Brandenburg Concerto Number 5 Movement 1 from a nicely done MIDI file I downloaded. The Tonal Drum is in there - the very sine sounding instrument is the Tonal Drum.
I don't know if I can get any more drums at the high end, the filters go berserk easily at that end of the spectrum, but 55 is very useful. _________________ FPGA, dsPIC and Fatman Synth Stuff
Time flies like a banana. Fruit flies when you're having fun. BTW, Do these genes make my ass look fat? corruptio optimi pessima
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JLS
Joined: Nov 05, 2005 Posts: 490 Location: Czech
Audio files: 30
G2 patch files: 316
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JovianPyx
Joined: Nov 20, 2007 Posts: 1988 Location: West Red Spot, Jupiter
Audio files: 224
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Posted: Thu Jun 09, 2011 6:34 am Post subject:
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The 55 drum version is for a Spartan-3A 400K gate FPGA. I looked at the source code and the 3E version is 32 drums, but the current patch editor (required to tune the drums) won't work with the 32 bit version... I don't know when I'll have time to port it. _________________ FPGA, dsPIC and Fatman Synth Stuff
Time flies like a banana. Fruit flies when you're having fun. BTW, Do these genes make my ass look fat? corruptio optimi pessima
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kkissinger
Joined: Mar 28, 2006 Posts: 1354 Location: Kansas City, Mo USA
Audio files: 42
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Posted: Thu Jun 09, 2011 6:46 am Post subject:
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JovianPyx wrote: | Hi JLS,
Not much news really. After I expanded the Tonal Drum to 55 drums, I recorded Bach's Brandenburg Concerto Number 5 Movement 1 from a nicely done MIDI file I downloaded. The Tonal Drum is in there - the very sine sounding instrument is the Tonal Drum.
I don't know if I can get any more drums at the high end, the filters go berserk easily at that end of the spectrum, but 55 is very useful. |
Beautiful track -- very colorful. And really clean, too. _________________ -- Kevin
http://kevinkissinger.com |
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JovianPyx
Joined: Nov 20, 2007 Posts: 1988 Location: West Red Spot, Jupiter
Audio files: 224
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Posted: Thu Jun 09, 2011 11:05 am Post subject:
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Thank you Kamil and Kevin! _________________ FPGA, dsPIC and Fatman Synth Stuff
Time flies like a banana. Fruit flies when you're having fun. BTW, Do these genes make my ass look fat? corruptio optimi pessima
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JovianPyx
Joined: Nov 20, 2007 Posts: 1988 Location: West Red Spot, Jupiter
Audio files: 224
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Posted: Thu Nov 10, 2011 4:51 pm Post subject:
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I've expanded the Spartan-3E Starter Kit version. It now supports 55 resonators. Sample rate of 150+ kHz. DDR SDRAM supports 55.7+ seconds of looped delay.
The reason for the 55 resonators and not 64 is that the higher in pitch a state variable filter is used, the tricker it is to keep resonance from turning into runaway oscillation. Even at 55 the top 8 or 9 resonators had to be hand tweaked. _________________ FPGA, dsPIC and Fatman Synth Stuff
Time flies like a banana. Fruit flies when you're having fun. BTW, Do these genes make my ass look fat? corruptio optimi pessima
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