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by punk7890-2 at 8:04 AM EDT on March 25, 2015
IIRC, adx/aax are 4 bit adpcm which sound ok, but kinda irritate my ears after awhile. I wouldn't be fooled by a 48Hz on ADX.
by RebeccaSugar at 10:51 AM EDT on March 25, 2015
Welp! That answers that!

Thank you, this saves a lot of time and regret.
by Hiccup at 2:25 AM EDT on March 31, 2015
Somebody made a mirror of some (or all) of crediar's built-in app rips converted to wav here:
http://mariocube.com/wii/Wii%20U%20Audio/
by Kurausukun at 3:22 AM EDT on March 31, 2015
ADX is probably the easiest to work with. Honestly, it's not really possible to differentiate an ADX file from its source file. 4-bit ADPCM is a quite good compression algorithm, and ADX is the easiest one to work with due to its flexibility with loop points and the fact that encoders are widely available.

To further elaborate on the compression algorithm; the loss of data in an ADX file is purely mathematical--due solely to the lower bit depth. Unlike "perceptive" compressors like AAC or MP3, the only byproduct of compression to ADX is what we call "quantization noise." But there's so little of it going from a source file to an ADX that it's quite literally unnoticeable to human ears--don't listen to anyone who tells you they can tell the difference. Even more so if the audio files in question are already compressed as most game audio files are (but like I said, it doesn't really matter because you can't tell anyway).

edited 8:35 AM EDT March 31, 2015
by RebeccaSugar at 1:24 PM EDT on March 31, 2015
Welp! That REALLY answers that!

Thank you! Thank you! Thank you! Thank you!

Time to make some sound versions!

edited 6:33 PM EDT March 31, 2015
by punk7890-2 at 4:15 PM EDT on March 31, 2015
That's interesting. I didn't know about that for ADX files, thanks! Though this experience of mine was a long time ago. Dug out some of my ADX rips and compared them to a 16 bit CD release and the only things that stand out (very slightly) is brass and cymbals sounds slightly more crisp on a CD release. ADX's are really are quite good aren't they?

Sorry RebeccaSugar, I didn't mean to put you off.

edited 10:21 PM EDT March 31, 2015
by RebeccaSugar at 11:06 PM EDT on March 31, 2015
It's okay, really! You just wanted the best for me, you didn't want me to waste my time and I respect that!
by bxaimc at 5:36 AM EDT on April 2, 2015
Plus, there are some slight sound quality improvements with ADX type 4 used more commonly today compared to type 3 from the Dreamcast days.
by Kurausukun at 1:38 PM EDT on April 2, 2015
Oh, really? I didn't know about that. Is there somewhere one can find an adx encoder for version 4 adx then?

EDIT: nvm, found one

edited 7:01 PM EDT April 2, 2015
by Uikri at 8:25 PM EDT on April 3, 2015
Just saw that Bayo 2 has .wem. Will that format ever cease to be a hindrance?

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