Quote from: Bostedclog on 02 January, 2012, 05:01:36 PMBefore I decide to encode all of my music to qaac .Does anyone know if there will be any significant improvements in the near future regarding sound quality.Many thanks.. Sound quality is of course the same as files generated with Quicktime/iTunes directly, since qaac interfaces Apple's encoders. So you should bug Apple about their encoders if you deem them too bad. At relatively low bitrates, Quicktime was recently found to produce the highest quality AAC encodes, though.
Before I decide to encode all of my music to qaac .Does anyone know if there will be any significant improvements in the near future regarding sound quality.Many thanks..
Bug report:It seems that the "iTunSMPB" tag is written incorrectly for HE output. Instead of writing the correct delay value, it will always write the standard LC value (840).Haven't checked padding value yet.
Quote from: sneaker on 06 February, 2012, 05:54:23 AMBug report:It seems that the "iTunSMPB" tag is written incorrectly for HE output. Instead of writing the correct delay value, it will always write the standard LC value (840).Haven't checked padding value yet.As far as I know, iTunes is using exactly the same value including padding.How did you think it is incorrect?
FYI, I just noticed that the ITUNSMPB tag values in my "iTunes HE-AAC (SBR)" sample files are slightly off. This was caused by a buggy iTunes version (an early v.10 build).I just installed the latest iTunes version (10.2.1.1) and the bug seems to be fixed. It produces values that are identical to the Nero and QuickTime values.For encoding the "QuickTime LC-AAC" set I used the qaac frontend and it created correct ITUNSMPB tags.So, if you are considering adding gapless support, don't use the "iTunes HE-AAC (SBR)" file set for testing the behavior.
sneaker,What decoder did you use?Could it be possible that the decoder uses the older Nero/FAAC gapless method (and does it correctly) if that data is present, but does not interpret iTunSMPB correctly if the format is HE-AAC?
[/list]When iTunSMPB says:[blockquote]2112 + A + T (A: length of input, T: length of trailing zero)[/blockquote]Actually it looks like:[blockquote]L + A' + T (L: actual leading delay, A': length of encoded samples, T: length of trailing zero) [/blockquote]where:[blockquote]L ? 2580, A' = A - (L - 2112)[/blockquote]Note:
Did you swap A and T, i.e. shouldn't iTunSMPB be L + T + A(')? At least that seems to be correct in the case of LC.
with --concat-cuesheet foobar2000 reads the chapters perfectly but itunes does not. does itunes not support chapters?
If I remember correctly, iTunes was ignoring ALAC chapter before.However, it looks like iTunes is now supporting chapter of ALAC in m4a.In my environment (iTunes 10.5.3.3), "chapter" menu appears when a file including chapter is being played.
Would it be possible to disable normalization when downmixing? If not, could the option be added?Thank you, nu, for this great tool.
Is this stripped version of lvqcl's package?
ERROR: libmp4v2: mp4v2::impl::MP4File::WriteBytes: write failed: errno: 28 (..\..\mp4v2\src\mp4file_io.cpp,163)What does it mean?
By the way, qaac says that it's version 1.30.