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1
WavPack / Re: WavPack 5.5.0 Release Candidate
Last post by nu774 -
Quote from: bryant on
and had sort of naively assumed that CAF would take over AIFF because it’s so much better in pretty much every way (it turns out that’s not necessarily a recipe for success).
Yeah, the CAF itself is not only 64 bit based but also flexible enough to carry virtually any audio codec with sample accurate seekability and gapless playback support. Technically it's superior to any of WAV/AIFF/AU/wave64/rf64, Still, it's a lot simpler than quicktime MOV or ISOBMFF container.
However, it's not actually possible except for a few codecs, due to lack of codec mapping definition (it's not open and has to be defined by Apple, unlike matroska or something).
And sad truth is that none of these has nothing to do with success of the format (as always).

Quote from: bryant on
Well, it turns out that cache of AIFF files was tagged with ID3v2.2 and so, based on a sample size of one, decided that implementing AIFF without ID3v2.2 would be pointless (i.e., my only test files wouldn’t even work right).
Do you actually need it? As far as I know wavpack has to just read/store/restore them as an opaque data chunk.
Of course it would be better If wavpack understand them and automatically convert them to wavpack container-level tags, but wavpack doesn't do it anyway for RIFF INFO chunks, I supporse?
2
WavPack / Re: WavPack 5.5.0 Release Candidate
Last post by bryant -
Quote from: Porcus on
Quote from: bryant on
Yeah, AIFF is on my wish-list, and in fact there's a half-done version in an old GitHub branch. I got bogged down on ID3v2.2 support

2.two ... and then you got 2.4. And who knows about Lyrics (is that extension even possible in WAVE/AIFF?)

But if you don't need to import them to WavPack's tagset, is this in principle any worse than what you do about ID3v2.nonthree-tagged .dsf?

Quote from: bryant on
(don't ask).
Oops I did it again.
Yes, Britney, you did...  :)

The original impetus for starting on AIFF file support was that I happened onto a cache of them from my then employer (a well-known high-fidelity firm). I had previously never encountered any AIFF files (not being much of an Apple guy) and had sort of naively assumed that CAF would take over AIFF because it’s so much better in pretty much every way (it turns out that’s not necessarily a recipe for success).

Well, it turns out that cache of AIFF files was tagged with ID3v2.2 and so, based on a sample size of one, decided that implementing AIFF without ID3v2.2 would be pointless (i.e., my only test files wouldn’t even work right).

So, I will eventually put in AIFF for completeness (but probably not AU/SND  :) ) and will probably opt for ID3v2.4 support and not ID3v2.2 (as I don’t have those files any more). Not exactly ideal for a "universal audio archiver", but with all the fuzz testing going on (check out today's bug) it's silly to spend time working on formats that aren't going to be used.
5
Other Lossy Codecs / Re: exhale - Open Source USAC encoder
Last post by jprjr -
Quote from: C.R.Helmrich on
Small update pushed to Gitlab for a 1.1.9.1 sub-release, fixing compilation issues for users of the C-style library API (probably not you, John and NetRanger) and a warning which I discovered in this log file. No audio quality changes, the compressed audio produced by version 1.1.9.1 should be identical to that of the last tagged release 1.1.9 of December. If not, please let me know.

Chris

Hi there - could you push up a 1.1.9.1 tag? I'm thinking of Linux distros that prefer to track tags rather than commits. Thank you!
6
General A/V / Re: Can Multi-channel wma pro be stored in mkv?
Last post by Aleron Ives -
ACM is not a codec but a framework for managing codecs. LAME bundles have historically included an ACM version that you can use with VirtualDub to encode audio to MP3, as one example. ACM is outdated and irrelevant now; it's from the days when everything was AVI and CBR.

The Matroska Codec Mappings page:

https://www.matroska.org/technical/codec_specs.html

doesn't mention WMA, either, so it appears to be unsupported.
10
CD Hardware/Software / Re: How to survive the inevitable CD revival (Article)
Last post by Aleron Ives -
Streaming, whether it's music or movies, appeals to people who like briefly trying different things. Buying CDs to listen to them once is prohibitively expensive. Physical media appeals to people who know their tastes and only want to listen to their favourites over and over. Paying monthly to stream the same album repeatedly is more expensive than just buying it once and being able to listen to it as many times as you want.