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!