Free to wav software for windows

Extract sound from AVI animation and save it to a WAV file AVI to WAV is a simple, small, easy-to-use and reliable program which can extract sound from AVI file (both types: video+audio or only audio AVI files) and save it into a WAV RIFF file in original sound format.
It creates file by extracting a sound chunks from AVI animation. File will be created with its original parameters and in original format.
This version of AVI to WAV can inform you about audio format of future WAV file - it can diverse large number of specific audio codecs registered within the WAVE registry and generaly used in AVI animations - from PCM, DSP True Speech, GSM 6.10 up to MPEG-Layer 3 (used in DivX AVIs) and more ...
Note that you dont need to have installed any of that codecs to extract sound from AVI because AVI to WAV does not use any codec to extract sound - it uses its own algorithm to do that so it can do the job even when other codec-oriented extractors fails.
For formats that cannot be detected, AVI to WAV will also create correct audio file using original format from AVI.
Before you extract sound, you can preview selected AVI file. Also, when AVI is selected, you can see short info about its size, video resolution, does it contains audio and in what format etc. ...
AVI to WAV supports extraction from one selected AVI, from several AVIs automatically (batch mode) and using simple batch scripts for batch extracting.
You can select "Normal" or "Smart" extraction (usefull for users who experience problems with repeated audio within resulting WAV).
Also, here is 32-bit comand line version that can be used from BATCH files or some other automatization process. Command line version has the same extracting features as corresponding GUI version but it can return ERRORLEVEL value depending on extraction state and depending on extracted audio format.
Also, command line version has INFO mode where you can test AVIs audio type (format, bit resolution, audio type, number of audio chunks etc.). SMART extraction mode is also supported.

This tool is a simple, esay-to-use Midi to Wav converter. You can also play the audio files.
Just unpack, no installation is needed.

A simple command line tool that will convert MP3 files to WAV files. The MP3 to WAVE Converter application was designed to be a simple command line tool that will convert MP3 files to WAV files.

NBFree MP3 to WAV Converter 2 is considered as a flexible and effective tool which can convert mp3 files to wav files. Use this mp3 to wav converting tool to convert unlimited amounts of mp3s to the burnable wav format.

Convert batches of mp3 files to wav files quickly, preview mp3 before conversion - supported wav formats: Microsoft PCM (Full Uncompressed), ADPCM, DSP, GSM - change output wav frequency, channel, bits - auto rename wav file name.

Requirements: Windows 95/98/Me/NT/2000/XP

A really easy-to-use, one click, AC3 to WAV convertor. PX3S AC3 to WAV Converter is a really easy-to-use, one click AC3 to WAV convertor.
PX3s AC3 to WAV Converter also has built in normalization for low audio AC3 files.
This program also has an interesting interface, is pretty small and does not require any installation.