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  Topic: Recycled Hard Drive Based "Synth"
peritus

Replies: 16
Views: 69188

PostForum: Other Hacks   Posted: Fri Mar 02, 2007 8:43 am   Subject: Recycled Hard Drive Based "Synth"
If you want the recording medium to travel 30 ips you will need around 120 rpm giving you only about a 1/2 second sample. Is that a long enough sample?

Before you go too far down this road I would ...
  Topic: Recycled Hard Drive Based "Synth"
peritus

Replies: 16
Views: 69188

PostForum: Other Hacks   Posted: Fri Mar 02, 2007 8:23 am   Subject: Recycled Hard Drive Based "Synth"
This document leads me to believe that contact is necessary... Still searching though

http://www.sprague-magnetics.com/library/tapehds.pdf
  Topic: Recycled Hard Drive Based "Synth"
peritus

Replies: 16
Views: 69188

PostForum: Other Hacks   Posted: Fri Mar 02, 2007 7:37 am   Subject: Recycled Hard Drive Based "Synth"
Hey Peritus,

Sounds like a very cool project. I have never seen those machines before. In my opinion if you use hard drives to make this you would have to spin them quite slowly. I would use a stan ...
  Topic: Recycled Hard Drive Based "Synth"
peritus

Replies: 16
Views: 69188

PostForum: Other Hacks   Posted: Thu Mar 01, 2007 2:38 pm   Subject: Recycled Hard Drive Based "Synth"
http://museum.nist.gov/panels/notched/notched.htm

" The use of magnetic discs for the recording and reproduction of music was well known before 1948 when a representative of the U.S. Army Aber ...
  Topic: Recycled Hard Drive Based "Synth"
peritus

Replies: 16
Views: 69188

PostForum: Other Hacks   Posted: Thu Mar 01, 2007 2:21 pm   Subject: Recycled Hard Drive Based "Synth"
http://vintagehofner.mysite.wanadoo-members.co.uk/factfiles/amplifiers/hofamp.html

"Hofner KV-50 Combo Amplifier
A three channel amplifier, fitted with two 12" speakers. Tremolo, r ...
  Topic: Recycled Hard Drive Based "Synth"
peritus

Replies: 16
Views: 69188

PostForum: Other Hacks   Posted: Thu Mar 01, 2007 1:27 pm   Subject: Recycled Hard Drive Based "Synth"
http://www.vidipax.com/museum/msm33.html

"Built by MVR to CBS specifications, the VDR-210CF could continuously record black-and-white video, play back the most recent 20 seconds and freeze the ...
  Topic: Recycled Hard Drive Based "Synth"
peritus

Replies: 16
Views: 69188

PostForum: Other Hacks   Posted: Thu Mar 01, 2007 1:14 pm   Subject: Recycled Hard Drive Based "Synth"
http://www.cedmagic.com/history/instant-replay-hs-100-deck.html

"Disk recording of broadcast video was first tested in a CBS football broadcast on July 8th, 1965. Because of the extreme storag ...
  Topic: Recycled Hard Drive Based "Synth"
peritus

Replies: 16
Views: 69188

PostForum: Other Hacks   Posted: Thu Mar 01, 2007 1:10 pm   Subject: Recycled Hard Drive Based "Synth"
http://www.physics.ucla.edu/demoweb/demomanual/acoustics/effects_of_sound/science_of_sound_tape.html


"7. Delay Distortion

Speech and music with some frequencies delayed in transmissio ...
  Topic: Recycled Hard Drive Based "Synth"
peritus

Replies: 16
Views: 69188

PostForum: Other Hacks   Posted: Thu Mar 01, 2007 12:48 pm   Subject: Recycled Hard Drive Based "Synth"
Here's a composite image I made of what the delay might look like...
http://img504.imageshack.us/img504/1518/harddrivex001js0.jpg
  Topic: Recycled Hard Drive Based "Synth"
peritus

Replies: 16
Views: 69188

PostForum: Other Hacks   Posted: Wed Feb 28, 2007 1:20 pm   Subject: Recycled Hard Drive Based "Synth"
Another use...

And since people really dig tape compression...

Output ONLY the delayed (and therefore processed) signal and then place an erase head between the record and playback heads to blan ...
  Topic: Recycled Hard Drive Based "Synth"
peritus

Replies: 16
Views: 69188

PostForum: Other Hacks   Posted: Wed Feb 28, 2007 12:41 pm   Subject: Recycled Hard Drive Based "Synth"
Another thought:


Hard drive platter based tape delay.....

Similar to the following... but platter based...
http://www.soundonsound.com/sos/jan01/images/synth5.gif
  Topic: Recycled Hard Drive Based "Synth"
peritus

Replies: 16
Views: 69188

PostForum: Other Hacks   Posted: Wed Feb 28, 2007 12:03 pm   Subject: Recycled Hard Drive Based "Synth"
http://img355.imageshack.us/img355/3487/mrdiskri9.gif
image from:
http://www.almaden.ibm.com/st/magnetism/ms/gmr/
  Topic: Recycled Hard Drive Based "Synth"
peritus

Replies: 16
Views: 69188

PostForum: Other Hacks   Posted: Wed Feb 28, 2007 11:39 am   Subject: Recycled Hard Drive Based "Synth"
Maybe I could put drawbars on it..

http://www.soundonsound.com/sos/nov03/articles/synthsecrets.htm
  Topic: Recycled Hard Drive Based "Synth"
peritus

Replies: 16
Views: 69188

PostForum: Other Hacks   Posted: Wed Feb 28, 2007 9:57 am   Subject: Recycled Hard Drive Based "Synth"
New here.. cool site...

So I've had this idea developing in my head for about a year or more...

Similar devices:

Mellotron
http://en.wikipedia.org/wiki/Mellotron

Chamberlin
http://en.wik ...
 
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