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Description
Delta Sound Labs FoldVideo of Fold Delta Sound Labs: Full Sound Demo & Techniques At the heart of Fold is its wavefolding engine, and by using an assortment of modules in an in series FX chain, Fold imbues input signals with harmonically rich overtones and, if pushed to the extremes, completely transforms them with a unique form of distortion. Patch Update 2021 Change Log (1. 0 > 1. 1.) On off buttons for Drive, Fold, Crush and Low Pass filter sections Local mix sliders
At the heart of Fold is its wavefolding engine, and by using an assortment of modules in an in-series FX chain, Fold imbues input signals with harmonically rich overtones and, if pushed to the extremes, completely transforms them with a unique form of distortion.
Patch Update 2021 - Change Log (1.0 -> 1.1.)
- On/off buttons for Drive, Fold, Crush and Low Pass filter sections
- Local mix sliders for Drive, Fold, Crush and Low Pass filter sections
- Drive/Fold Link button to allow concurrent use of both parameters with one slider
- FX is now a true Dry/Wet control
- Envelope follower to control FX amount relative to the peak amplitude of the audio input
- Hard sync/phase lock for LFO sections
- Visual feedback for LFO rate
- Oversampling factor UI
- New output volume graphical UI slider
- Stereo spread feature for use with true stereo inputs
Fold is a distortion synthesis audio effect plug-in that only the engineers at Delta Sound Labs could dream up. Calling on their background in modular hardware design, the team has found a novel approach to creating warmth and distortion in software. By using an assortment of modules in an in-series FX chain, Fold imbues input signals with harmonically rich overtones and, if pushed to the extremes, completely transforms them with a unique form of distortion.
At the heart of Fold is its wavefolding engine. First pioneered by synth legend Don Buchla, wavefolding is the act of folding a wave back on itself after reaching a given threshold. While this naturally produces distortion and harmonics, Fold also ships with a bit crusher module to further smash the input signal. Fold's combination of oversampling, distortion, and wavefolding results in tones that are timbrally rich on one hand, and over-the-top destroyed on the other, even with simple periodic input signals.
To tame the sound, Fold comes with an analog emulation of a resonant low-pass filter that offers more control over any unhinged results. Each parameter is also syncable to its own LFO, each of which has an amount slider and may be synced to a host tempo within a DAW for more creative sound design and mixing effects. Fold also ships with a number of professionally designed presets that showcase the versatility of its engine.
Features:
- Hard and Soft Clip Distortion Morphing
- Wavefolding
- Bit Crushing
- Analog Low and High Pass Filter Emulations
- Four Syncable LFOs with Mappable Phase Reset Buttons
- Three LFO Waveform Types
- Mono and Stereo Processing
- x16 Oversampling
- Factory and User Presets
- Optimized Preset Navigation
The Modules and Effects:
HP Filter
This is a TPT styled high-pass filter with resonance control underneath the frequency knob. It's great for creating filter sweeps on the front end using automation lanes in a DAW.
Drive
Drive is an amplitude dependent distortion module. You can crossfade between soft and hard clip distortion using the horizontal slider underneath the drive knob.
Wavefolding
Wavefolding is a type of distortion synthesis that occurs when the amplitude of an audio input exceeds a defined threshold. The peaks that exceed the defined threshold are inverted into a series of amplitude folds producing rich timbres and textures. This kind of distortion synthesis really shines when used on simple sounds like sinusoids or standing waves, even single guitar notes. Use the oversampling menu in the toolbar view to choose x1, 2, 4, 8, 16 oversampling. Higher oversampling values incur a greater CPU overhead but mitigate any unwanted aliasing caused by the Fold module.
Crush
Crush allows you to quantize your incoming signal to emulate a classic bit crushing effect. Both depth and rate are tied to one single knob and scaled in such a way to leverage this kind of distortion synthesis as best as possible. Listen to the difference when you change the Oversampling factor!
LP Filter
This low-pass filter is an analog emulation of a resonant low-pass filter. There is a resonance control slider underneath the filter frequency cutoff knob in a similar fashion to the high-pass filter on the front end of the signal chain. This filter helps tame and sculpt any unwieldy distorted textures.
LFO
Each module has its own dedicated Low Frequency Oscillator (LFO). Each LFO can be turned on by clicking the small button located in the top-left corner and has its own dedicated amount slider located next to the LFO Speed slider. You can choose from sine, square and saw waveform types.
By clicking the quarter note button, Sync mode is activated and locks the phase to the tick reported by the DAW or host.
FX/Envelope Follower
This is a Dry/Wet control that regulates the proportion of processed to unprocessed sound. Adjustments to the FX knob do not affect signal processing, as this is done exclusively by the other modules. The envelope-shaped button underneath the knob will override the FX knob and the amount of effect applied will be relative to the peak amplitude of the incoming audio input.
Toolbar View
Use the preset combo box to select any of our factory presets or make and recall your own presets. You can use the nudge buttons (left and right) to quickly audition presets. The Oversampling drop down menu contains options for x1, x2, x4, x8, and x16 oversampling factors.
Creative Strategies with Fold
Fold yields extremely interesting results with low frequencies-try folding your kick drum, any bass register instruments, or simply a sine wave from your synth! Fold can also be used to add high-frequency energy to a synth lead line. This works well in combination with Fold's FX Amount parameter, allowing you to dial in the exact amount of energy you want. Distortion has long been essential to guitar players-Fold's unique combination of distortion and wavefolding on electric guitars is worth a lengthly exploration. Try with chords or even bass lines on lower registers.
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4.7 ★★★★★
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Product Reviews
★★★★★ 5
Robotic Vacuum
Color: Jet Black, Color: Jet Black
Good Cleaner
I'm very old and it was very difficult for me to clean my home but thank God my Daughter told me about Robotic Vacuum cleaners so, I ordered it and now I'm using it, really impressive results.
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Reviewed in the United States on April 22, 2026
★★★★★ 5
My first experience with a Robot vacuum
Color: White
I am liking this robot vacuum. It is very easy to program and can be done from your phone. It has mapping capabilities which helps with learning the room. The remote is easy to use too. It picks up most dust particles and pet fur from rugs and bare floors. It has a wet floor mopping pad which is so helpful. Surprisingly it picks up more than you think. The dust cup holds quite a bit before you have to empty it. The little side brushes help with collecting the particles. It can go under some furniture and along the walls. You have several floor patterns that it can be programmed for. It is very quiet too. Recharging doesn’t take long either. It can even be programmed to vacuum while you are away. Instructions are downloaded through the app.
My cats are very curious about how it moves about the rooms. So much fun to watch them.
I really got a great bargain for this robot vacuum on Amazon.
(I found that if you have clutter on the floors or cords under furniture you should remove and secure them before vacuuming.) It will find a way to go from floor to area rugs once it maps out the area.
I am still learning the functions in the app👍🏾👍🏾😃
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Reviewed in the United States on January 9, 2025
★★★★★ 1
Piece of junk
Color: White
So many problems with this device. I have a one bedroom apartment with one bathroom and no carpet so it's all hardwood floor. You would think this device would be able to vacuum the entire place without problems right? I think it intentionally looks for places to get stuck. For instance I have electrical plugs underneath my desk pushed against the wall, and somehow it managed to get stuck in them. So I had to block that area with a box. Then it got stuck going over my bath mats. So when I vacuum I have to put them into the shower. Then somehow it managed to get stuck in a little area by the island in my kitchen. So I had to put a roll of paper towels there so it wouldn't go into that area. Then it got stuck under the wheels of my desk chair. So I had to block that area. One night, even though there's a big table on the side of my couch to block it, it figured out a way to get behind my couch and then stopped. It took me two days to find it. And that's the other thing. it doesn't have enough power to clean an entire one bedroom apartment. So even if it doesn't get stuck, I will find it in the middle of the floor with the battery drained.
When I watched it I noticed that it will bang something and then it'll keep banging it a few times before moving on. And by moving on I mean it'll move 6 in and bang there a few times before moving on again. That's probably how it got stuck under the island. It couldn't fit the first time, so it kept pushing until finally it got jammed in there. I must say, however, it is amusing when it bangs into my foot and doesn't give up and tries to climb over my foot.
So although I bought this thing the end of November, I was in the hospital and wasn't able to start using it until the third week in January. After a couple of weeks I wanted to return it, but unfortunately I can't, because the window to return it ended January 31st.
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Reviewed in the United States on February 16, 2025
★★★★★ 4
Not too shabby
Color: White
I was skeptical but I read the reviews before purchasing. I had a $500 Roomba previously that worked six months then died. Using the warranty on those is almost impossible. So I took a chance. Cons: will fling itself down ledges and stairs. Like any robot cleaner, hates cords and plastic bags. Gets stuck now and then. You need to rinse out dust filter each time. Pros: runs a LONG time. Picks up all the dust and hair my Roomba did. Much cheaper. Has an app that you can supposedly program. Not too noisy. Beeps if it needs help. Charges well. Cats dig it. All in all I would buy one again. Robot vacuums are not for grime, they are for dust, hair, bits of cat litter. Keep that in mind. But in keeping your floor free of cords and debris that might trip it up, it helps you to be tidier overall.
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Reviewed in the United States on January 8, 2025
★★★★★ 5
Work s 👍. Great!!!!!
Color: Jet Black
It's sure worth the.money does its job
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Reviewed in the United States on May 10, 2026