[Five]

legacy software tutorial, 2004

Originally Posted by RainDawg

Creating st5s on a Macintosh using xACT

As opposed to traditional "wholefile md5" checks, the fantastic audio file utility shntool has the ability to create an md5 check of just the encoded PCM wav data contained within a given lossless file. st5 can perform an anlysis of virtually any file lossless file type you have installed on your system. The clear advantage is that users can change from one format to another, add file tags, add or update seek tags, or any other number of things that perviously would have changed the wholefile md5 check. Yet using the st5, files with identical audio content will have the same checksum regardless of what extra, format changes, etc it has been through so long as the audio remains the same, the container can change at the will of any trader.

Indicendtally, the st5 of a FLAC file is identical to it's FLAC fingerprint, as both are checking for the same thing: pure audio content. If you use the FLAC fingerprint (ffp) for FLAC seeds, st5 is redundant.

The following tutorial was written by U2Lynne

1. Locate files on your computer.

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2. Open xACT to the checksum tab and drag the files into the window.

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3. Hit the Checksum button.

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4. Hit the st5 button (verify is the default).

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5. It prompts you to save it somewhere, find the same folder.

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6. Name the st5 you are creating properly and hit Save.

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7. It makes the st5s (it will take a couple of minutes).

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