Overview: Leslie / Rotary Speaker Simulator

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Add big 24-bit Leslie / rotary speaker sound to your digital music and make it FAT with this DirectX plug-in! Building on years of research, AIPL SpinCycle is the best plug-in to digitally simulate a rotating speaker. If you closed your eyes and played an actual Leslie speaker, then played SpinCycle, we bet you couldn't tell the difference! We couldn't! It's that good (patent 6,873,708 and more pending).

Add this sound to organ (e.g. Hammond organ), guitar or vocals to produce harmony or a unique flange, and hear the difference! AIPL SpinCycle simulates a mechanical rotary tremolo and vibrato system and is based analyzing original Leslie speakers and the Doppler-effect. There are thus no sonic tradeoffs, just great big rotary sound!

In addition to simulating the vibrato and tremolo modulation, SpinCycle simulates the tube pre-amp, as well as automatic speed controls and stereo-effects for an infinite number of microphone placements. To simulate the classic Leslie foot pedal, use the AutoRhythm setting. To create a totally new and cool "flange", mix a stereo track where both tracks are identical, except one is faded in or out, using AutoSpeed.

AIPL SpinCycle requires DirectX compatible studio as AIPL SpinCycle is a Windows DirectX plug-in.

Install, Try, Buy and Activate

First download AIPL SpinCycle - the file AIPLSpinCycleSetupv22.exe will be saved to your computer. Remember where you saved the file AIPLSpinCycleSetupv22.exe, and double-click on the file to install the software.

Then, when you first run the program, the Demo Notification window appears. You can evaluate the program by selecting the Continue button, or you can activate the program by selecting the Register button. Before activation, the standard version is fully functional, and the pro version, activating ProSound, is time limited. 

After buying AIPL SpinCycle, the activation (a.k.a. registration) information is emailed to you. After entering this information in the Register window (which appears when you select the Register button), you instantly convert the downloaded program to a fully functional Standard or Pro version that you can use forever. 

Pro/Standard: The Standard version neither activates the ProSound nor Dither buttons, whereas the Pro version does.  Both are 24 bit processing.  However, ProSound and dither produces cleaner sounds by eliminating digital byproducts.

We chose this model so you could fully evaluate our products, and we could pass the savings on eliminating distribution and packaging costs on to you (as well as saving trees)! Remember to save downloaded file (AIPLSpinCycleSetupv22.exe) and activation information to reinstall if your computer crashes, or if you decide to transfer SpinCycle to a new computer.

Suggested Uses

• Adding harmony to vocals or guitar (use corresponding presets)
• Organ, with or without AutoRhythm selected
• Using two off-axis microphones to produce a rich stereo sound
• Using AutoSpeed and Mic2 on a stereo mix, where each track is identical except one is at a lower volume or faded in or out.  This change in speed between two identical tracks produces a unique "flange".  There is nothing similar to it.
• Creating Surround Sound, by using two SpinCycle modules on two identical tracks, one with both mics in the front (default position), and one with both mics behind the speaker (with the “Behind Speaker” button selected).  You can use the Room Spin (Surround) presets.  More details are available in the Behind Speaker section of Mic Placement and the Surround Sound section of SpinCycle’s help!

The user interface is designed for maximum flexibility, so you can find many more great uses of the standard rotary sound. We would like to simulate the foot pedal for switching speeds, but currently DirectX studios don't easily allow you to interact with a plug-in while it is saving the processed sound. We have tried to bypass this problem with automatic controls. However, we know this is not as good as user control, so urge your recording studio provider to allow you to interact with the plug-in while saving the output. (Suggestions to AIPL are always welcome.)

Algorithm

The 24-bit sound-processing algorithm is based upon a theoretical and experimental analysis of the frequency and amplitude modulation produced by a rotating speaker. The digital algorithm efficiently solves the actual equations produced by a rotating speaker. The algorithm is not a simple approximation as necessary with previous analog or simplified digital equipment. If you are concerned about required computational power, SpinCycle will run in real-time on any Pentium. If you want extremely accurate sound (labeled ProSound), you can select this option on SpinCycle for previewing and/or processing your audio.

Minimum System Requirements

• DirectX plug-in compatible recording studio
• Windows XP/ME/2000/NT/98/95
• Pentium 120 CPU
• 32 MB RAM
• 1 MB disk space

DirectX Plug-ins

DirectX Plug-ins (a.k.a. DirectShow) is a Microsoft standard that allows sound effect plug-in vendors to make one product that is compatible with most major recording studios, including GoldWave, Sony’s Sound Forge, Adobe’s Audition (i.e. Cool Edit Pro), Cakewalk and Steinberg (see Audio Links web page ).  AIPL's plug-ins are compatible with these studios as well as any other DirectX audio plug-in compatible studio.

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