Doninn Audio Editor is a full-featured audio editor which allows to record, play, process, and analyze voice, music and other sound recordings. The interface is intuitive and easy to use, which gives you an opportunity to navigate the program quickly and easily.

Doninn Audio Editor (Free) is a free version of the app. It has all features of the full version, but duration of saved file can not exceed 3 minutes. Also there is no ads in the full version.

Main functions:
1. Recording

1.1. Record file formats: WAV, MP3 (up to 320kbps).
1.2. Sample rate from 8000 to 48000hz.
1.3. Mode: mono, stereo.
1.4. Recording runs in the background and when the screen turns off.

2. Editor

2.1. Supported file formats: 3gp, aac, ac3, aif, aiff, avi, amr, au, flac, flv, gsm, m4a, mat4, mat5, mkv, mov, mp2, mp3, mp4, ogg, opus, paf, pvf, rm, sf, snd, w64, wav, wma, wmv, wv.
2.2. Convert files in different formats (wav, mp3, flac, ogg).
2.3. Edit tools: cut, copy, paste, delete, trim, silence and more.
2.4. Effects: amplify, bass and treble, change pitch, change speed, click removal, compressor, echo, equalizer, fade in, fade out, invert, leveller, mono to stereo, noise reduction, normalize, phaser, reverberance, reverse, stereo to mono, wahwah.
2.5. Ability to work with channels separately, as well as swap channels.
2.6. Loop playback button
2.7. Add and edit metadata.
2.8. Set file as ringtone.
2.9. Ability to disable resource-intensive operations Undo and Redo.
2.10. Ability to select the target folder location to store temporary files.

3. File manager

3.1. Sort, find and play audio files by name, size and date.
3.2. Handy audio player.
3.3. Work with files and folders (copy, cut, detele, rename).
3.4. Highlight color of the selected audio file.
3.5. Scrolling slider bar.
3.6. Sharing files and recordings.

4. Frequency and Spectrum Analysis

4.1. Windowing functions: Barlett, Hamming, Hanning, Blackman, Blackman-Harris, Welch, Gaussian (a=2.5), Gaussian (a=3.5), Gaussian (a=4.5).
4.2. Window Size from 128 to 65536.
4.3. Frequency scale: linear and log.
4.4. Decibel Range.

Currently Doninn Audio Editor supports English, Spanish, German, Polish and Russian interface languages.