Audio Editor & Tool

Audio Editor & Tool is an audio editor app for iPhone and iPad.

First, import an audio file from Music or Files App.
Cut, trim, insert silence, insert a file, separate to vocal and accompaniment,
add effects.  Then, export the file.


Notes & Tips:

[Import File]

- Can import only non-DRM files
- An imported file is converted to PCM/44.1kHz/32bit float
- Supports Mono/Stereo audio
- Available audio formats
 - aifc
 - aiff
 - caf
 - flac
 - m4a
 - mp3
 - wav

[Edit]

- Edit a single waveform
- Cut/Trim for selected time
- Insert a silence at the beginning, the end, 
  or arbitrary time for max 30 seconds
- Insert a file at the beginning, the end, or arbitrary time
- Source Separation
 - Separate source to vocal and accompaniment
 - Do not expect to be perfect
 - Separation takes some time, but should be performant
    since this app uses CoreML
 - If you hear clipping, inserting a second/seconds of silence 
    at the beginning and the end might improve the separation
 - 2 tracks source separation might work as a noise reduction;
    separating  to voice and other sounds
    (i.e. background music, noise, ... etc.)
 - 4, 5 tracks source separation ML models are available to download
 - 4 tracks separation separates a source to vocal, bass, drums and other
 - 5 tracks separation separates a source to vocal, bass, drums, piano and other
 - 5 tracks source separation is available to iOS 14 or above
- Mix songs
 - Select two or more songs and adjust gain level of songs to mix
 - Mixes songs from the beginning to the end
 - Simply mixes songs but could be useful for some situation

[FX]

- Support AUv3 effects extension
 - Select from Effect → +  → Should appear installed AUv3 in the list
- Available effects
 - AUBandpassFilter
 - AUDynamicsProcessor
 - AUDelay
 - AUDistortion
 - AUHighPassFilter
 - AUHighShelfFilter
 - AUPeakLimiter
 - AULowPassFilter
 - AULowShelfFilter
 - AUNewPitch
 - AUParametricEQ
 - AUReverb2
 - AUSampleDelay
 - AUPitch
 - AUNewTimePitch
 - AUVarispeed

[Export]

- Available audio formats
 - aifc
 - aiff
 - flac
 - m4a
 - wav
- Mono/Stereo channels
- Sample Rate
 - 8 kHz
 - 12 kHz
 - 16 kHz
 - 20.5k Hz
 - 24 kHz
 - 44.1 kHz
 - 48 kHz
- Exported files are available from Files App also
 - If Audio Editor is not showing in Files App, try restart the device;
   restarting might fix

If you have found a reproducible bug or suggestions, please let me know via App Support → Scroll down to Contact. 
Do my best & thanks!

If you like the app, leave a review. Your feedback is valuable to me!

Hope you enjoy!