YAMAHA MU2000 Extended Edition & Yamaha Patents

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The patents are printed on the top of the unit. I was curious what they might be so I did a quick search at http://patft.uspto.gov/netahtml/PTO/srchnum.htm and found the following for each:

4246823 - Waveshape generator for electronic musical instruments

Abstract
In a wave shape generator of the memory reading type, a waveshape memory stores sample values of a wave each value being represented by an integral address. A coefficient memory stores coefficients for nth order interpolation. Unknown intermediate sample values not stored in the wave shape memory represented by non-integral addresses and are approximated by multiplication of stored sample values of the waveshape and corresponding coefficient values on the basis of nth order interpolation. Use of the interpolation method assures smoothness of the wave shape with respect to time and thereby minimizes quantization noise while permitting use of relatively small memories.

Inventors: Wachi; Masatada (Hamamatsu, JP), Katoh; Mitsumi (Hamamatsu, JP), Niimi; Koji (Hamamatsu, JP)
Assignee: Nippon Gakki Seizo Kabushiki Kaisha (JP)
Family ID: 15030600
Appl. No.: 05/955,523
Filed: October 30, 1978"

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Alesis Micron Keyboard with Moog Logo Decal Label

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Korg Electribe ER-1, MS-20 Mini & NI Machine Keyrings

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Circuit Bent Bontempi Cassette Recorder by freeform delusion

Published on Aug 21, 2013 freeform delusion·112 videos

freeform-delusion on eBay (RSS)

"Bontempi Cassette Recorder - I recorded one of my tracks from when I was called "Electro existence" - the track is called - Reshape this void - it was recorded onto to tape through the mic input.

Switchable Feedback with Red control knob
Switchable Bass Feedback with Blue control knob
Tape Stop momentary button
Blue LED

.fd. online
Facebook - freeform delusion
Twitter - https://twitter.com/freeformd
eBay - Search for - Circuit Bent
My older Circuit Bending channel - http://youtube.com/eecouk"

BK-9 Performance Editor. Free i-pad application for Roland BK-9

Published on Aug 21, 2013

"A new i-pad app for Roland BK-9 keyboard. It allows to adjust any real time controllers and save your memories. Great app for BK-9's owners."

Tone editor at 4:55.

iTunes: BK-9 Performance Editor - Roland Europe SpA
Roland BK-9s on eBay

ANI - Weekly iPad Live Looping #songrequests (2013.08.21)

Published on Aug 21, 2013

"Another weekly live looping session this time based on one theme: hacking. This one explores a short contrived story arc. Thanks to the CODAME crew for making suggestions!

Audio:
https://soundcloud.com/animusicsf/ani..."

iTunes: NanoStudio - Blip Interactive Ltd

PPG Waveterm B booting and sample loading

Published on Aug 21, 2013 Torsten Abel·37 videos

Korg iKaossilator and iElectribe WIST Test and Demo for 2 iPads

Published on Aug 21, 2013 thesoundtestroom·129 videos

"Never tried WIST before so I thought I'd give it a go...great for DJ's or party's and if spend a little time preparing your stuff you can do some very nice things and don't forget that there are loads of apps that support the WIST technology..."

iTunes: KORG INC.

YAMAHA DX7 Demo

Published on Aug 21, 2013 sasatakocom·22 videos

"YAMAHA QY70で以前作った（パターン作ってコード進行をくっつけた）ものをMIDIで書き­出し。それをDX7で演奏させています。主にプリセットの音色をちょこちょこ調整。ト­ラック別に録音。EQで細かく（その気になりながら）調整。わはは楽しいな。映像は撮­りためてあったもの（たぶん今後もあまり使わなそう）を適当に配置。パッと見た時の色­で順番を決めちゃったりなんかしちゃったりしまして、特別意味はありません。それでも­いちおう、Canon iVisのシネマモードで撮ったりして、彩度を上げておもちゃっぽい不思議な感じにな­っているような気がしますが、気のせい。うう。そのせいでこのサムネイル。"

Googlish:
"We are allowed to play in DX7 export. It in MIDI (was stuck a chord progression to make pattern) what you made ​​previously "YAMAHA QY70. Mainly hobbling on. Truck another adjustment. EQ recording finely that (the sound of a preset while worried about) Do not fun. Wahaha adjustment. then something or worse decide the order in color when viewed with. suddenly placed appropriately)'ll never use too much in the future (maybe that was committed to reservoir take the video it has or Chat, there is no special meaning. felt still the time being, or might take in cinema mode of Canon iVis, as has become a strange feeling like a toy by raising the saturation will be, but my imagination . uhh. the thumbnail. because of that "

dual drums and Dr Gogo BOSS DR55 Clone

Published on Aug 21, 2013 cirtcele·93 videos

"just having a play with Dr Gogo (DR55 clone) and one half of the dual Drums module. Obviously the panel is just a temporary home.
More info - http://nonlinearcircuits.blogspot.com..."

"A drum machine based on the analogue board of the DR-55, each sound can be individually triggered, bass and rimshot can be tuned with pots."