Free online AVR to WAV converter

What the AVR format is

AVR is a legacy audio format associated with Audio Visual Research software and older recording or sampling applications. AVR files may contain mono or stereo PCM audio with format-specific sample-rate, bit-depth, and header information.

You are most likely to encounter AVR files in archives created by older Macintosh-era audio programs, specialist recording tools, or samplers. Modern applications do not consistently support the extension, so the filename alone does not reliably reveal the audio parameters.

What the WAV format is

WAV is a widely supported audio container, commonly storing uncompressed PCM data. It is accepted by Windows, macOS, Linux, DAWs, sound editors, media players, video software, and audio analysis tools.

WAV is suitable when you need predictable compatibility or further editing. PCM WAV preserves the decoded AVR samples without adding lossy compression, but the resulting file can be much larger than compressed formats such as MP3 or AAC.

How to convert AVR to WAV

Using the online converter

You can convert the file for free on 101convert.com without installing software. Upload the AVR file, choose WAV as the output format, start the conversion, and download the resulting file when processing finishes.

Using Audacity

1. Install a current version of Audacity with its standard file-import libraries.
2. Open the AVR file through File → Open. If Audacity recognizes the format, it will decode the file and display its waveform.
3. Check the detected sample rate and channel count in the project information or track settings.
4. Export through File → Export Audio, select WAV as the format, and choose Signed 16-bit PCM unless another bit depth is required.
5. Save the output with a .wav extension and play it back to verify the conversion.

Using FFmpeg

FFmpeg can convert AVR files from a terminal when the installed build includes the AVR demuxer:

ffmpeg -i input.avr output.wav

To explicitly create standard 16-bit PCM WAV audio, use:

ffmpeg -i input.avr -c:a pcm_s16le output.wav

Use a different sample rate or channel count only when the receiving application requires it, for example:

ffmpeg -i input.avr -ar 44100 -ac 2 -c:a pcm_s16le output.wav

If FFmpeg reports that the input format is unknown, try Audacity or a newer FFmpeg build; the AVR extension is uncommon and support can vary between software versions.

Quality and compatibility considerations

Conversion cannot restore information that was absent from the AVR source. If the source contains 8-bit audio, exporting it as 16-bit WAV increases storage precision but does not recreate lost detail.

Keep the original AVR file. Test the WAV in the application that needs it, because some hardware and older software accept only particular combinations such as mono, 16-bit PCM, or 44.1 kHz audio.