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Conversion of at3 file format to flac file format beta

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Convert Sony ATRAC3 audio to Audio files encoded by Flac - free lossless audio codec.

We have found one software suitable in our database for this conversion.

As far as we know, Sony ATRAC3 audio files (.at3) can be exported to FLAC format (.flac) using Sound Forge program. Unfortunately, we do not know about any other program capable of at3 to flac conversion, so using the original program is most likely your only option.

Updated: May 9, 2022

Microsoft Windows software Microsoft Windows icon - convert at3 to flac on Windows

Sound Forge icon Sound Forge

A digital audio editing software from Sony

File extension









Convert from at3 file

NoYesYesat3 editorYesNoNoNo

to flac file

NoYesYesflac editorNoYesYesNo

The table with program actions contains information about what each program is capable of doing with their files. This may be a good pointer for further searches for certain file conversions and help you find the converter you are looking for if our search result is insufficient for you. However, it is far from perfect and may sometimes show results which are not really usable because of the nature of the software handles the files. So a conversion that appears as possible, just because of matched actions, may in fact not be possible.


Additional links: Open at3 file, Open flac file


Files with at3 file extension was also sometimes used for Sony ATRAC audio format. No longer actively used. 


Files with flac extension are used for audio files compressed with the FLAC, aka Free Lossless Audio Codec. FLAC files do not lose any quality with their compression as MP3 do, but they are generally larger. Most modern media players support playback of FLAC files.


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