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 Forum index » DIY Hardware and Software
Found a cool sampling chip
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droffset



Joined: Feb 02, 2009
Posts: 486
Location: new zealand
Audio files: 2

PostPosted: Sat Nov 27, 2010 8:51 pm    Post subject: Found a cool sampling chip Reply with quote  Mark this post and the followings unread

Hey folks,
I just got a hold of a couple of these little gems. It's the ISD1420 Record + Playback chip that comes with a nice PCB to help get it working.

Here's the datasheet

http://www.datasheetcatalog.com/datasheets_pdf/I/S/D/1/ISD1420P.shtml

Link in New Zealand to where to get them:
http://www.surplustronics.co.nz/shop/product-KSD1420-C.html

Pretty interesting stuff since the memory is nonvolitile. I'd like to try to make use of them with my noisemakers to get all percussive about it.

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2thick4uni



Joined: Feb 20, 2009
Posts: 113
Location: UK

PostPosted: Sun Nov 28, 2010 3:39 am    Post subject: Reply with quote  Mark this post and the followings unread

Really good as they have non volatile memory, not come across these before. Looks like they are mainly designed for speech as anything above 3.3khz is filtered out, will be fine for drums and anything below that frequency though.
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bugbrand



Joined: Nov 27, 2005
Posts: 842
Location: Bristol, UK
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G2 patch files: 1

PostPosted: Sun Nov 28, 2010 9:03 am    Post subject: Reply with quote  Mark this post and the followings unread

There's a project I did a good few years ago on my archive site:
http://www.bugbrand.co.uk/bugbrand_old/pages/electronics.htm
scroll down to near the bottom.

Repitching and randomisation. Though I always found the ISDs a bit clunky so never progressed to far into them. 1416 and 1420 are basically the same, just with different rate internal clocks and filtering.

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shawn



Joined: Dec 13, 2005
Posts: 209
Location: savannah

PostPosted: Mon Nov 29, 2010 11:06 am    Post subject: Reply with quote  Mark this post and the followings unread

Same chip used in the Zvex Lofi Loop Junky
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droffset



Joined: Feb 02, 2009
Posts: 486
Location: new zealand
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PostPosted: Mon Nov 29, 2010 11:34 am    Post subject: Reply with quote  Mark this post and the followings unread

Thanks Bugbrand! I'll have a look.
I'll have to look into that pedal Shawn I hadn't heard about it, cheers.

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