Stria

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Multilevel Interactive Sound Synthesizer. Up to 240 Frequency Modulation Oscillators or simple Wavetable Additive.

Price $9.99
Author apeSoft
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus
Rating total: 4.97143 (35), current: 4.97143 (35)
Version 3.3.3
Released 05/16/2013
Updated 07/22/2025
Stria is rated as a Killer App by Apps4iDevices.
Multilevel Interactive Sound Synthesizer
Idea and Csound-Orchestra by Eugenio Giordani
“Stria” is the title of a very important composition by John Chowning and I would like to say that this computer music piece represents the manifest of Frequency Modulation technique applied to audio synthesis, invented by Mr. Chowning himself.

+ Audiobus and Inter-App Audio support
+ Up to 240 Frequency Modulation Oscillators or simple Wavetable Additive
+ Five Spectral Pitch Grid Generators (Geometric, Harmonic, Fibonacci, Scalar, Temperated)
+ MIDI Pad With Scale Grid
+ Effects chain: Doppler, Chopper, Glitch Gen, Sync Grain, Spectral Arpeggiator, FDN Reverb, Dynamic Compressor/Expander
+ Snapshots Presets Morphing Pad
+ Control Manager LFO for Parameters
+ Midibus, Virtual Midi and Network: 14 bit NRPN controllers
+ Capture Master Audio Output
+ File Manager, sharing common audio files via iTunes, Dropbox and AudioCopy
+ Post Fx Chain: Doppler, Chopper, Out Of Range, Sync Granulator, Spectral Arpeggiator, Reverb FDN, Dynamisc Processor
+ Bluetooth A2DP High Quality
+ etc...

Version 3.3.3 release notes

+ macOS AUv3 UI improvement + macOS AUv3 AUParameter fixed + Fixed Samples Import files + Improved stability + Updated to the latest iOS SDK + Updated dependencies + Fixed various bugs

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