Free waveform audio 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 portable digital audio editing software wich can perform visual editing, creating, recording, and playing audio files, applying various audio VST effects, format conversion, loop edition, audio analysis and more. It supports many popular audio formats : wav, mp3, etc.
Use Wavosaur to master your tracks, to do sound design, to add effects, clean your voice recording, restore your audio from old lp or cassette, record and edit sample for multi sampled banks.
With Wavosaur you can:
- load, save, create,record, import and export audio files.
- display the waveform of many audio files and zoom in out very fast (with mouse scrollwheel)
- record sound from any available audio source and play audio files at up to 192 Khz.
- edit and master audio with the standard tools : cut, copy, paste, insert silence, mix, trim/crop, remove silence, reverse, normalize, fade in fade out, amplify .
- apply VST effects: you can set up a chain of VST effects, display the VST graphical interface, listen to the processed audio in real time, tweak the parameters and then decide to apply the effect.
- do simple synthesis : insert noise, sinus square triangle or saw waveforms.
- create and edit markers to set regions in your audio files, you can then export a region or export all regions in separate wav files.
- do batch processing : apply a VST chain effect to many files at once, normalize an entire set of files, auto trim silence at start and end etc.
- set and edit loop points, the loop informations are saved in the wav file and recognized by software and hardware samplers.
Wavosaur can have different skins (skin files can be found at http://www.wavosaur.com/skins.php )
Wavosaur can receive MIDI control data from external controlers, so you can trigger the main commands : play, stop, pause, fast forward, rewind, record, back to start, go to markers.