SKU: 80896140439

Earthquaker Rainbow Machine Pitch Shifter

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Description

Earthquaker Rainbow Machine Pitch ShifterWelcome to the Rainbow Machine, in all its synthetic glory! This one is for experimenters, adventurists and noisemakers. Totally not for purists and or tone hounds, there are no natural sounds that will come from this box. It takes modern DSP and uses it as a tool of future past to create real time pitch shifting using digital oscillators. The sound is much different than most modern day pitch shifting devices. It was imagineered to be wild and out of

Welcome to the Rainbow Machine, in all its synthetic glory! This one is for experimenters, adventurists and noisemakers. Totally not for purists and/or tone hounds, there are no “natural sounds” that will come from this box. It takes modern DSP and uses it as a tool of future past to create real time pitch shifting using digital oscillators. The sound is much different than most modern day pitch shifting devices. It was imagineered to be wild and out of control and slightly imperfect while still tracking up and down the guitar neck without glitching out. A cold digital beast made to pretend it has feelings. It will do basic polyphonic harmonies from a 4th down through a 3rd up and every atonal pitch in between. You may add in an accompanying octave of the harmony by bringing up the Secondary function control. You can take it way beyond and open up your third eye by bringing in the Magic. The Magic is the heart of the Rainbow Machine. In conjunction with the Tracking control, the Magic creates wild pitch take offs and descents, chaos chorusing, shrieks, pixie trails and wealth of other general mayhem inducing noises. The pitch can be controlled by an external expression pedal for extra fun! The Rainbow Machine can be used on bass, keys, vocals or anything else you can dream up! This device has become a main stay of so many studios and touring musicians that we have lost count! All digital wet signal with an all analog dry signal, true bypass switching and handmade one at a time by warm blooded human beans in the swamps of Akron, Ohio.

Controls

Pitch: This controls the pitch of the harmony. All the way counterclockwise is a 4th down, all the way clockwise is a 3rd up. The middle position is unison. The pitch can be controlled by an expression pedal as well.

Exp Jack: This is an expression pedal control jack for the pitch. The Pitch control is defeated when an expression pedal is inserted.

Primary: This controls the volume of the Primary pitch-shifted signal. Unity gain is at about 2 o’clock, anything above will boost the signal.

Secondary: This controls the volume of the secondary pitch-shifted signal. The Secondary controls the octave up/down from the primary pitch. At the noon position the Secondary is not present at all. However, turning the knob counterclockwise from noon yields an octave below, whereas turning clockwise yields an octave above and everything in between. Unity gain is at about 2 o’clock, anything above will boost the signal.

Tracking: This controls the amount of lag time between the direct dry signal and the shifted wet signal. The pitch-shifted signal will track right on the dry signal when this control is all the way clockwise. It will start to lag behind the more it is reduced. This function is especially useful when the “Magic” is engaged.

Magic: This adjusts the “weirdness” of the effect. The end result is a wide variety of wild effects depending on where the other controls are set. The magic control will only work if the magic switch is engaged and the primary and/or secondary are in use. (Technically, it’s a regeneration control that creates aliasing between a mix of the primary and secondary functions feeding back against each other.)

Tone: All the way clockwise is full signal, turn counterclockwise to soften the highs.

Power 

standard 9 volt DC power supply with a 2.1mm negative center barrel. 

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SKU: 80896140439

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4.8 ★★★★★
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T
Verified Purchase
Tomasz
Omaha, US
★★★★★ 5
Great book
Format: Paperback
Great book
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 6, 2023
H
Verified Purchase
Harry G.
Los Angeles, US
★★★★★ 4
Good for basic x86 64 but avx coverage is horrible.
Format: Paperback
After having read Irvine 7th I had a good knowledge of x32 but soon enough I realized it’s all obsolete so now it’s on to Hyde 64. The hello world program involves interfacing to c++ and assembly/linking with batch commands. Really? I’m using visual studio ide have you heard of build and run? Hyde doesn’t even mention the debugger and without this tool assembly language is impossible. But I was already familiar with this after reading Irvine so I was ok. The following chapters 2 to 9 about 600 pages worth are great so for what I paid the book is 4 stars. Great explanation, lots of complete programs. Now it’s time for parallel processing via Simd and avx and this is chapter 11, over 100 pages of instructions with no examples. It could be useful for reference but actually, no. Amidst all the formats, memory operand and register sizes the actual explanations of the instructions are vague. Well that defeats the purpose of thumbing this chapter as a reference doesn’t it? But where Hyde fails Kusswurm modern x86 begins. If you’ve made it this far sell Hyde, Irvine, and buy Kusswurm. Then you’ll have Jedi powers like me.
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Reviewed in the United States on December 5, 2023
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Verified Purchase
Steve stevonie
Waukegan, US
★★★★★ 5
Not for the faint of heart
Format: Paperback
This is the book
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Reviewed in the United States on August 5, 2022
A
Amazon Customer
Cuba, US
★★★★★ 5
It benefits the high-level language programmers - Listing formatting good now
Format: Paperback, Format: Paperback
Even if not writing assembly code directly, it benefits the high-level language programmer to understand the CPU architecture and instruction set. You can help the compiler do a better job by writing your code with the hardware in mind. When it comes to debugging, it can be helpful to look at things at the assembly level. And if you are programming with SIMD intrinsics, you are still programming in assembly language and understanding the architecture is necessary. This book gets you up to speed with all the above and more. Also, the listing formatting problem that others have mentioned seems to have been fixed. I deleted the months old download from my device, downloaded again, and the listing were now good. Tested on an iPad, a Kindle Paperwhite, and a MacBook Pro.
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Reviewed in the United States on April 25, 2025
T
TechMeister
Lowell, US
★★★★★ 5
Bible on x64 Assembler, but not for coding beginners.
Format: Paperback, Format: Paperback
The best way to review this book is in two parts, 1st a review of the book, 2nd to address the negative reviews about the readability of the code in the Kindle edition which is the one I have. I have several books on Assembly Language, starting with the long out of print 1986 “Peter Norton’s Assembly Language Book for the IBM PC.” Over the years I have acquired several books on Assembly Language. I find Randall Hyde’s book to be hands down the best reference and most in depth book on x86/x64 Assembly language. What I feel separates Hyde’s book from others is it goes into detail on each register and machine function. Which is then backed up with numerous illustrations to help explain the concepts, code, and quizzes to test your understanding. This is not a book for coding beginners on x86/x64 Assembly, IMO, as the author jumps right in with examples that I feel are too complex and too verbose for the novice. To help fill in the gaps alongside this book, I recommend using Mike McGrath’s, “Assembly x64 Programming in easy steps”, which guide the novice with colorful illustrations step by step, on the processor, number systems, linking, and building basic Assembly programs, in byte sized chunks, that are easy to understand for the novice. Also, a basic knowledge of C++ will be needed to use this book, as several example C++ programs make Assembly calls from within the program. Again, I recommend Mike McGrath’s “C++ Programming in easy steps.” For a basic review if you lack C++ knowledge. You’ll need the free IDE Visual Studio 2022 Community edition (not VS Code) with the C++ libraries, as that is where the MASM is located. As for the readability of the code in the Kindle version, there is a workaround which is better than reading the code from the book. A link is provided to download all the code listed in the book in a zip file. Most of the code is organized by listing number from the book. Once VS2022 is on your computer, double-click on the download file you’re interested in and the code will open properly formatted in VS2022 as shown in the attached images. You will be able to interact with the code, which is more productive than just reading from the book. This is an excellent book on x86/x64 Assembly language, looking forward to volume 2. After reading this book, the only way to get further in depth knowledge of the x86 processor IMO is from Intel's massive 4 volume reference.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 6, 2022

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