iZotope Iris
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- KVRAF
- 2973 posts since 10 Sep, 2003 from Karlskoga, Stockholm, Sweden
Sampleconstruct, that's seriously cool stuff!!! Psychotic piano lol! You may very well just have cost me a lot of money

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Sampleconstruct Sampleconstruct https://www.kvraudio.com/forum/memberlist.php?mode=viewprofile&u=191286
- KVRAF
- 16742 posts since 12 Oct, 2008 from Here and there
Thank's man and sorryCrackbaby wrote:Sampleconstruct, that's seriously cool stuff!!! Psychotic piano lol! You may very well just have cost me a lot of money![]()
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- KVRian
- 1439 posts since 25 Nov, 2008 from Seattle, WA
There are certainly things I'd love to see in Iris that don't exist today... but I think of these things because the concept is so compelling and the ability to create is so intuitive and simple that my mind gets working. That's the challenge with a product like this--it's so *incredibly* accessible that you actually can use it deeply without even touching the manual. I can't really say that about any other synth I have used, including Alchemy--which I demoed but found too overwhelming.
For me, nowadays, I look for something that I'm going to actually use... not something that has every feature under the sun. It has to be intuitive first, and then only if it's intuitive do I look for depth.
For me, nowadays, I look for something that I'm going to actually use... not something that has every feature under the sun. It has to be intuitive first, and then only if it's intuitive do I look for depth.
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- KVRAF
- 4374 posts since 15 Sep, 2010
Iris definitly sounds and looks interesting, no doubt here. But as a owner of Alchemy and MetaSynth (and other bunch of extreme spectral FX plugins as well) for my spectral mangling needs, I don't feel its really a must for me. Still, an interesting synth for sure.
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- KVRian
- 528 posts since 2 Jan, 2007
Here is a description of Radius RT from the developers which may help clarify it:
1. It is a pitch scaling algorithm suitable for polyphonic material (monophonic material is also okay).
2. It is a faster version of iZotope Radius algorithm, suitable for multi-track realtime operation (the original Radius is slightly slower than realtime even for 1 stereo track).
3. Just like "true" Radius, it is not a granular synthesis: it is closer to a vocoder, but with many special features, like preservation of transients.
4. Theoretically it can time-stretch, but this is not implemented in Iris.
Cheers,
Scott
1. It is a pitch scaling algorithm suitable for polyphonic material (monophonic material is also okay).
2. It is a faster version of iZotope Radius algorithm, suitable for multi-track realtime operation (the original Radius is slightly slower than realtime even for 1 stereo track).
3. Just like "true" Radius, it is not a granular synthesis: it is closer to a vocoder, but with many special features, like preservation of transients.
4. Theoretically it can time-stretch, but this is not implemented in Iris.
Cheers,
Scott
- KVRAF
- 37405 posts since 14 Sep, 2002 from In teh net
That's what I like about Poseidon - to me this looks very much like what I'd hoped a Poseidon 2 might look like - similarly intuitive and beautiful interface with the more of the power of Alchemy's spectral editor (also Cube's to an extent).lightsfadelow wrote:There are certainly things I'd love to see in Iris that don't exist today... but I think of these things because the concept is so compelling and the ability to create is so intuitive and simple that my mind gets working.
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- KVRist
- 464 posts since 27 Nov, 2009
Heh, it has a lot of the features that I unsuccessfully attempted to get implemented in photosounder.
I think Iris has one of the best and easiest to use interfaces I've seen in a long time.
Lack of MIDI control over all the interesting parameters (loop points and drawing tools) or internal resampling from one sampler to another means that I won't be able to get the kind I sounds I want any faster than I do now by multisampling the spectral synthesis tools I already have.
I like it way better than Alchemy, but I sold that.
I think Iris has one of the best and easiest to use interfaces I've seen in a long time.
Lack of MIDI control over all the interesting parameters (loop points and drawing tools) or internal resampling from one sampler to another means that I won't be able to get the kind I sounds I want any faster than I do now by multisampling the spectral synthesis tools I already have.
I like it way better than Alchemy, but I sold that.
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Echoes in the Attic Echoes in the Attic https://www.kvraudio.com/forum/memberlist.php?mode=viewprofile&u=180417
- KVRAF
- 12018 posts since 12 May, 2008
Thank you for the answer. What I was getting at though is whether radius and resynth uses different types of resynthesis.Sampleconstruct wrote:It stretches the audio quite well to the original speed of the wav file at all pitches, of course introducing more artifacts with extreme transpositions. But one can't alter the timestretching so it's always 100% of the original.Echoes in the Attic wrote:Sorry, at work, haven't downloaded the demo yet. But couldn't help ask questions.Sampleconstruct wrote:On the upper right of the GUI set pitch to Radius instead of Resample to avoid chipmunking, this thread is full of itEchoes in the Attic wrote:I noticed in the video that playing higher keys resulting in the playhead moving faster and lower keys made it go slower, kind of like tape of vinyl behaves. Is there a way to make the playhead play the same speed regardless of pitch (while still being in spectral mode)?
I thought Radius used granular resynthesis, no?
I was under the impression that resynth is spectral, but radius is granular. Is this correct? And if so does that mean you can't have spectral resynthesis without chipmunk effect?
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- KVRian
- 528 posts since 2 Jan, 2007
See my post a few ones back for a description of Radius. Resample works more
like a traditional sampler in which pitch goes down and length increases as you
move to lower keys and the reverse as you move up the keyboard.
like a traditional sampler in which pitch goes down and length increases as you
move to lower keys and the reverse as you move up the keyboard.
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Sampleconstruct Sampleconstruct https://www.kvraudio.com/forum/memberlist.php?mode=viewprofile&u=191286
- KVRAF
- 16742 posts since 12 Oct, 2008 from Here and there
Look 3 posts above, Scott has explained it quite well, it's not granular Synthesis working in Radius but more like a vocoder algo. Using Radius leaves the spectral resynthesis untouched it just preserves the time scale at every pitch you play.
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- KVRAF
- 2973 posts since 18 Oct, 2004
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- KVRAF
- 1629 posts since 11 Dec, 2005 from Malmö, Sweden
Arglebargle wrote:How long is Iris going to be $150?

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- KVRAF
- 2973 posts since 18 Oct, 2004
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- KVRAF
- 1629 posts since 11 Dec, 2005 from Malmö, Sweden
Please, don't.Arglebargle wrote:well I feel like a bo tard now.
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- KVRAF
- 42529 posts since 21 Dec, 2005
Yeah, I have to admit I'm lost.rexlapin wrote:Here is a description of Radius RT from the developers which may help clarify it:
1. It is a pitch scaling algorithm suitable for polyphonic material (monophonic material is also okay).
2. It is a faster version of iZotope Radius algorithm, suitable for multi-track realtime operation (the original Radius is slightly slower than realtime even for 1 stereo track).
3. Just like "true" Radius, it is not a granular synthesis: it is closer to a vocoder, but with many special features, like preservation of transients.
4. Theoretically it can time-stretch, but this is not implemented in Iris.
Cheers,
Scott
I tried that setting and it didn't seem to change anything

