In & Out
Record with built-in mic, line in, USB or Lightning1
Optional recording monitoring (with headphones connected)
Transfer audio to, and share from your device via USB, iCloud, Dropbox or other services
Import tracks from your iPod music library2
Import from Wave .wav, Core Audio .caf, .aiff, MPEG .mp3, .m4a and .aac files
Export to uncompressed (.wav) or compressed (.aac/.m4a) files
Export multi-track projects as a .zip file archive of individual track audio files (“stems”)3
Exchange audio with other iOS apps via AudioCopy/AudioPaste3 and “Open In…”
Drag and Drop audio in and out between Hokusai and other apps4
Mix & Merge
Convert between mono & stereo
Split & merge stereo tracks to edit left/right channels separately
Mix multiple tracks down to one
Reorder tracks within a project
Select and edit across multiple tracks at once3
Set volume and panning for each track3
Filters & FX
Many effects support live preview: instantly hear changes in settings.
Save your favourite settings to reuse later3
Basic filters:
Fade in/out
Gain, Normalise
Reverse
Silence
Generate white noise
Synthesise sine/square/triangle/sawtooth waves
Additional filters and tools:3
Autopan
Bit Crusher
Chorus
Click Track
DC Offset
Depop/Seam Welder
Digital Echo
Expand/Shrink Selection
Fix Signed/Unsigned
Flanger
Frequency Boost
Frequency Filter
Fuzz Box
Gain Compressor
Gramophone FX
Hard Limiter
Invert Signal
Loop and Soften Loop
Mid Channel Isolation/Reduction
Mid/Side Decoding
Modulation (AM & FM)
Monster Voice FX
Noise Gate
Noise Reduction
Peak Limiter
Phaser
Pitch Bend
Pitch Shift (with or without time independence)
Resonance
Ripple Tracks
Reverb
Ripple Tracks
Stereo Spatialise
Synthesise Chaotic Grains
Time Stretch (with or without pitch independence)
Vocal Levels Smoother
Where supported by your device. USB devices require the use of Apple Camera Connection Kit or Lightning to USB Camera Adapter. ↫
Copy-protected tracks cannot be imported. Tracks must be downloaded to your device, not “cloud” tracks. ↫
Requires in-app purchase. ↫
Drag and Drop requires iOS 11 or later. Apple currently only allows Drag and Drop between apps on iPad. ↫