Free audio editor software for windows

With this free tool, you can edit your audio files like editing text files, display a waveform window of an audio file and apply zooming; Record new audio file from a microphone or another input device; Visually edit an audio file (Cut, Copy, DeleteSilence, PasteFromFile, Mix, MixFromFile).
Apply different effects (Amplify, Delay, Equalizer, Fade, Flanger, Invert, Normalize, Reverse, MultiTapDelay, Silence) and more.
EXPStudio Audio Editor is a visual multifunctional audio files editor which allow you to perform various operations with audio data such as displaying a waveform image of an audio file, filtering, applying various audio effects, format conversion and more
The following audio formats are supported: uncompressed WAV PCM; MP3 (MPEG Layer-3), MP2(MPEG Layer-2); VOX (Dialogic ADPCM); WMA (Windows Media Audio); RAW (PCM, A-LAW, U-LAW); CDA (Audio CD Tracks); OGG (Ogg Vorbis), G.723, 726 etc...
Main features:
- Edit your audio files like editing text files
- Open, create and save audio files
- Voice converting (female to male, male to female, Chipmunk, Zerus)
- Display a waveform window of an audio file and apply zooming
- Play an audio file or any part of it
- Record new audio file from a microphone or another input device
- Visually edit an audio file (Cut, Copy, Delete Silence, Paste, Paste From File, Mix, Mix From File)
- Apply different effects (Amplify, Delay, Equalizer, Fade, Flanger, Invert, Normalize, Reverse, Multi Tap Delay, Silence, Stretch, Vibrato, Echo, Chorus)
- Apply different filters to the selected part of an audio file (Ban Pass Filter, FFT, FIR, High Pass Filter, High Shelf Filter, Low Pass Filter, Low Shelf Filter, Notch Filter)
- Insert noise or silence in an audio file
- Convert an audio file from one format to another
- Use marker to locate the selected part or special part of the audio data
- Insert and change information about an audio file (Album, Artist, Channels, Comments, Copyright, Genre, Title, Year)
Version restrictions:
- The free version can only save audio files as Uncompressed WAV PCM (*.wav) and mp2 (*.mp2). If you want the full version, you can register by using the Buy now button.

Enhancements:
- Optimized audio components including codecs and core application algorithms.

Wavosaur is a free and efficient audio editor for Windows : do digital audio editing and recording , add VST effects, repair and clean your audio, perform various operations with audio data, change sound in real time, masters your track, process your sounds with VST effects in real-time
- easy to use interface will get you started running. fast zoom in/out with mousewheel.
- ability to work with multiple files at the same time in seperate screens.
- supports a number of file formats including wav (and multichannel wav), mp3, vox, au, aif, AKAI S1000 and many more.
- sound editing functions with undo include cut, copy, paste, delete, mix, insert silence, mute, auto-trim and more.
- export MP3
- audio tools include amplify, normalize, sample rate conversion, pitch shift and more.
- fade in and out with many different curves
- automatically remove DC offsets.
- recording and playback through any windows compatible audio device, you can use ASIO drivers, and do audio routing.
- analysis tools include spectral analysis (DFT) 2D and 3D, sonogram, real time oscilloscopes.
- supports any sample rates, stereo mono or multichannel, 8, 16, 24 or 32 bits PCM and 32 bits float.
- supports VST plug-ins, real time preview/processing, displays VST GUI, chain VST effects plugins, load/save presets fxp/fxb, load/save VST chains.
- regions can be saved as separate files.
- support for loop points and region markers.
- real-time analyzers : volume input/output oscilloscope, FFT and pan.
- analysis : 2D and 3D spectrum, sonogram, statistics. Exports statistics and spectrum as text.
- synthesis generator : generate simple waveform.
- skinable interface ( download skins at http://www.wavosaur.com/skins.php ).
- MIDI controlable.

System Requirements: Mac OS X 10.2 and above

Wavosaur is a free audio editor VST & ASIO compatible, it provides all you need for manipulation of your audio files : edit, record, play sounds, add effects (unlimited with VST support) in real-time.
You can use it for mastering, sound design, sample looping, basic editing etc.
You can also edit and save loop points and markers, generate sounds (simple synthesis) and batch process your audio files.
Wavosaur has also a VST plugin effect rack, where you can set up a chain of VST effects to use in real time on your audio. This means unlimited set of effects due to the VST compatibility, and the large number of VST effects (including high quality freeware ones).
- Multiple document interface to work with many files in one session
- ASIO driver, audio routing, multichannel wav support
- import wav, mp3, aif aiff, Amiga 8svx, vox, AKAI S1000 & raw binary files
- export wav, MP3, export multiple wav from regions, export as text (for using in Matlab, PSpice, Excel ), support for LAME encoder
- record, play, pause, rewind & fast forward
- cut, copy, paste, insert, replace, mix, trim/crop, fast zoom, accurate waveform representation
- normalize, mute, insert silence, remove DC offset, vocal remove, reverse, resample, bit depth convert, auto-trim, silence remover, remove silence, change volume, channel convert (stereo->mono , mono->stereo), undo
- virtual rack for VST plugins effects, real-time processing, VST chaining, displays multiple VST graphic interfaces
- audio analysis : 2D & 3D spectrum, statistics & sonogram, real time oscilloscope & sonogram
- batch processing
- controlable with an external MIDI control surface
- create & edit loop points & markers to use your files in your favorites samplers : loop points & markers informations are recognized and can be edited/added and saved.
- skinable editor interface, many customisable options.
-synthesis options : generate waveform (sin, square, triangle, saw, white noise) and impulse train.