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QAAC: discussion, questions, feature requests, etc., [originally a thread for a feature request]
twinspex
post Nov 22 2010, 07:10
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I have been producing my own modified version of REACT for use in ripping my CDs and have nearly finished the task. I wanted to be able to produce iTunes compatible and tagged .m4a files for individual tracks from the react image.cfg script having ripped to a one-big-file album image with cuefile. I managed to do this with the NeroAAc Encoder, acdir and atomic parsley. I then came across QTAACENC and QAAC which looked very promising as they allow use of the Quicktime dlls.

I totally failed to get either encoder working with ACDIR passing the split wave files into the encoder via STDIN in the analogous manner to that I successfully managed with the Nero encoder. No great loss though because I found QAAC alone can process a OBF wave image and associated cuefile into separate .m4a tracks - and it even tags the .m4a filees with the information taken from the cuefile. Fantastic!

I am left with a problem though. When processing from a cuefile QAAC outputs the track files in a format
tracknumber[space]tracktitle.m4a
and this cannot be changed. I like my files to be formatted thus:
tracknumber-tracktitle.m4a.
I think I am a competent enough batch file programmer to handle the necessary file rename (just! rolleyes.gif ), but the problem arises with various artists compilations. I really would like to use the naming format:
tracknumber-trackartist-tracktitle.m4a in such an instance.

I have looked online for a commandline based rename utility that would read the artist field from the embedded tag and alow me to use that field to rename the files QAAC produces. Unfortunately I haven't found one. (I know I could use something like mp3tag to do the job from a GUI later, but I would like to be able to do it as part of the REACT-based rip operation. I have looked at using the cuefile to extract track based wave files, which come out correctly named, and then to encode the track based wave files without using the cuefile. This results in no embedded tags and quite complicated scripting.)

I have no idea how difficult it would be to implement the output of m4a files to a specified filename format with QAAC cuefile processing, but if it is possible, please could the author please consider this as an enhancement request? I had a look at the source code but it is way beyond my skills to make myself an amended version! Thank you very much in advance.

(By the way I plan to use the NeroAAcTag utility to add cover art and albumArtist and compilation meta-user tags to the QAAC encoded .m4a files to finish the ripping task. I will be using OBF flac with embedded cover art and cuefile for archiving, and m4a for day to day usage).

Incidentally, if one uses QAAC cuesheet processing to produce .m4a files and then inspects the embedded tags with the neroAActage.exe -meta-list command on *.m4a I have noticed that the tools field may have a bug. On a three track CD single, using --ignorelength and --tvbr=125, the note of the tvbr setting is repeated one more time in the field for every successive track in the cuesheet. I don't hink this is a problem with the neroAActag.exe utility because the same repeated data is visible with the Audio Shell v1.3.5 utility! This problem is not a showstopper so far as I can see, but I haven't tried to do a sizable encoding task, and I wondered if it might cause a field overflow in such a situation.

example from Audio Shell v1..3.5 for the m4a file produced as track "03 Tracktitle" from the cuesheet:
Encoder: qaac 0.20, Quicktime 7.6.8 TVBR Quality 125, TVBR Quality 125, TVBR Quality 125,

I am using windows XP SP3 (up to date fixes), QAAC 0.20 and Quicktime 7.6.8 The quality setting was merely an experiment.

To bring a verbose post to an end. Thank you for producing this utility. I will find a workaround if you can't help. smile.gif
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ShotCaller
post Sep 7 2011, 07:15
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Does anyone know why QAAC comes with speex for resampling? Is there any advantage or situation where it should be used over the native resampler?
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- twinspex   QAAC: discussion, questions, feature requests, etc.   Nov 22 2010, 07:10
- - nu774   Hi. I'm author of qaac. I'm a Japanese, so...   Nov 22 2010, 10:40
|- - nu774   Released 0.22 with new --fname-format option. The ...   Nov 22 2010, 17:05
|- - twinspex   Thank you for your efforts. I will try out v0.22 a...   Nov 22 2010, 20:19
|- - twinspex   I just found out I don't have permission to ed...   Nov 22 2010, 21:48
- - Anakunda   Hello, can I choose a better level of compression...   Jul 1 2011, 23:29
- - mixminus1   I don't think anyone can figure out how to cha...   Jul 2 2011, 01:58
- - Anakunda   OK thanks. Dealing with QAAC I wanted yet to know ...   Jul 2 2011, 06:23
|- - nu774   It should be the same at the AAC bitstream level (...   Jul 5 2011, 02:51
- - dpr   Hi, I'd like to request that support is added...   Aug 23 2011, 15:27
|- - nu774   Hi, Thanks for suggestion. Technically, qaac uses ...   Aug 24 2011, 02:05
|- - dpr   Thanks for considering the request   Aug 25 2011, 12:07
- - ShotCaller   Does anyone know why QAAC comes with speex for res...   Sep 7 2011, 07:15
|- - nu774   QUOTE (ShotCaller @ Sep 7 2011, 15:15) Do...   Sep 10 2011, 10:07
- - subinbar   Just a heads up - looks like qaac now reorders mul...   Sep 8 2011, 08:22
|- - no404error   QUOTE (subinbar @ Sep 8 2011, 10:22) Just...   Sep 8 2011, 11:27
- - subinbar   nu774 - is it possible to use qaac in dbPowerAmp? ...   Sep 10 2011, 08:18
- - lvqcl   According to my tests, QT resamples with different...   Sep 10 2011, 11:00
|- - nu774   QUOTE (lvqcl @ Sep 10 2011, 19:00) Accord...   Sep 10 2011, 11:34
- - ShotCaller   Perhaps the quality is better, but I am having a p...   Sep 10 2011, 20:55
- - lvqcl   When qaac uses Speex it creates temporary file wit...   Sep 10 2011, 21:31
- - nu774   [qaac] release 0.63 Fixed problem in --downmix op...   Sep 11 2011, 04:28
- - Boulder   While testing qaac 0.91 with commandline CODEeac3...   Oct 15 2011, 23:22
- - lvqcl   use -o switch for output filename: qaac.exe --tvb...   Oct 15 2011, 23:36
- - Boulder   Thanks!   Oct 15 2011, 23:38
- - xekon   Why such different results? do the two application...   Oct 23 2011, 05:10
|- - nu774   Hi, As far as I know, 5.1ch encoding with qtaacenc...   Oct 23 2011, 06:00
|- - nu774   I'm sorry, forget about 2ch difference in the ...   Oct 23 2011, 06:20
|- - nu774   It seems that new iTunes 10.5.0 (which doesn't...   Oct 23 2011, 07:06
|- - nu774   Hi, forget about this post. It seems that iTunes ...   Oct 26 2011, 02:50
|- - Boulder   QUOTE (nu774 @ Oct 26 2011, 04:50) Hi, fo...   Oct 26 2011, 08:02
||- - nu774   Hi, Oh, really? From explorer property view, in m...   Oct 26 2011, 10:01
|- - overfloater   QUOTE (nu774 @ Oct 25 2011, 20:50) I conf...   Nov 5 2011, 22:43
- - Larson   I found a bug with QAAC when converting to tvbr wi...   Oct 23 2011, 09:09
|- - nu774   QUOTE (Larson @ Oct 23 2011, 17:09) I fou...   Oct 23 2011, 09:44
- - xekon   QUOTE (nu774 @ Oct 22 2011, 21:00) Hi, As...   Oct 24 2011, 00:11
- - Boulder   Seems that my version also has the same md5 sum so...   Oct 26 2011, 10:32
- - lvqcl   QUOTE I wonder why explorer says 7.9.7.3 in my env...   Oct 26 2011, 15:35
|- - nu774   QUOTE (lvqcl @ Oct 26 2011, 23:35) QUOTE ...   Oct 26 2011, 16:34
- - Larson   nu744 could you please tell me how refalac works? ...   Oct 31 2011, 09:52
|- - nu774   QUOTE (Larson @ Oct 31 2011, 17:52) nu744...   Oct 31 2011, 10:12
- - Larson   still not working for me but thanks for answering...   Oct 31 2011, 10:20
|- - nu774   QUOTE (Larson @ Oct 31 2011, 18:20) still...   Oct 31 2011, 10:34
|- - Pusherman   QUOTE (Larson @ Oct 31 2011, 12:20) still...   Oct 31 2011, 13:27
- - Larson   EDIT: it works now, thank you!   Oct 31 2011, 13:52
- - kareha   Has anyone managed to get the --artwork option to ...   Nov 6 2011, 14:38
- - lvqcl   Copy folder.jpg to the destination folder and see ...   Nov 6 2011, 15:05
- - nu774   Hi, It will work only if you have folder.jpg in en...   Nov 6 2011, 15:07
|- - awx   QUOTE (nu774 @ Nov 6 2011, 16:07) Hi, It ...   Dec 4 2011, 16:50
- - kareha   Still can't get it to work, I'm encoding f...   Nov 6 2011, 15:24
|- - nu774   QUOTE (kareha @ Nov 6 2011, 23:24) Still ...   Nov 6 2011, 15:44
|- - kareha   QUOTE (nu774 @ Nov 6 2011, 15:44) Please ...   Nov 6 2011, 16:06
- - ainou   Hello all, Can someone explain me why this comand...   Nov 8 2011, 01:01
|- - nu774   QUOTE (ainou @ Nov 8 2011, 09:01) Whateve...   Nov 8 2011, 07:07
- - YumeYao   I've encountered some problem: I'm runnin...   Nov 8 2011, 04:01
|- - nu774   CODESo when I'm using foobar2k to convert a mu...   Nov 8 2011, 07:24
- - YumeYao   Sorry, in my last post I was to say all 4 tests by...   Nov 9 2011, 06:42
- - subinbar   nu774, would it be possible to use only qaac.exe a...   Nov 10 2011, 23:59
|- - nu774   QUOTE (subinbar @ Nov 11 2011, 07:59) nu7...   Nov 11 2011, 01:53
- - subinbar   QUOTE (nu774 @ Nov 11 2011, 02:53) QUOTE ...   Nov 11 2011, 04:01
|- - nu774   QUOTE (subinbar @ Nov 11 2011, 12:01) awe...   Nov 11 2011, 05:44
|- - lvqcl   QUOTE (nu774 @ Nov 11 2011, 08:44) Direct...   Nov 11 2011, 15:38
|- - nu774   QUOTE (lvqcl @ Nov 11 2011, 23:38) And al...   Nov 12 2011, 04:04
- - Xenion   I'm very impressed by the continuity qaac is d...   Nov 11 2011, 09:27
- - DARcode   I'm pretty impressed too, just switched to qaa...   Nov 11 2011, 14:53
|- - nu774   QUOTE (DARcode @ Nov 11 2011, 22:53) I...   Nov 11 2011, 15:08
|- - DARcode   QUOTE (nu774 @ Nov 11 2011, 15:08) QUOTE ...   Nov 11 2011, 15:33
- - Larson   nu774, first of all thank you for the impressing w...   Nov 12 2011, 10:36
|- - nu774   Yes, it is same as kAudioCodecQuailityMax, as for ...   Nov 12 2011, 11:39
- - lvqcl   AFAIK it's not possible to pass the name of th...   Dec 4 2011, 16:58
- - LigH   ExactAudioCopy 1.0 b2 supports qaac well, the opti...   Dec 13 2011, 09:51
|- - nu774   QUOTE (LigH @ Dec 13 2011, 17:51) ExactAu...   Dec 13 2011, 14:23
- - LigH   Regarding the philosophy of the EAC 1.0 option set...   Dec 13 2011, 14:38
|- - nu774   QUOTE (LigH @ Dec 13 2011, 22:38) I'm...   Dec 13 2011, 14:44
- - Soren   I don't what i'm doind wrong, but i can...   Dec 19 2011, 07:04
|- - nu774   Please post foobar2000 console message (view->c...   Dec 19 2011, 09:15
- - marc2003   the previous post says that message is from the co...   Dec 19 2011, 11:57
|- - nu774   QUOTE (marc2003 @ Dec 19 2011, 19:57) the...   Dec 19 2011, 12:40
- - Soren   Thanks for replying guys, but the problem is solve...   Dec 19 2011, 15:01
- - holyrevenger   @nu774 On my system (i5-2410m/win7x64/fb2k1.1.10/...   Dec 24 2011, 03:15
|- - nu774   QUOTE (holyrevenger @ Dec 24 2011, 11:15)...   Dec 24 2011, 05:28
- - lvqcl   I installed QT Lite 4.10 (into vritual machine )....   Dec 24 2011, 10:41
|- - nu774   QUOTE (lvqcl @ Dec 24 2011, 18:41) I inst...   Dec 24 2011, 12:24
|- - nu774   I quickly investigated on this further. Seems like...   Dec 24 2011, 15:12
- - Anakunda   HI is it possible encode 2.1 audio without losing ...   Dec 24 2011, 11:21
|- - nu774   QUOTE (Anakunda @ Dec 24 2011, 19:21) HI ...   Dec 24 2011, 12:11
- - holyrevenger   @nu774 Thanks for your advice. Think of the versi...   Dec 25 2011, 09:59
- - Bostedclog   Hello hydrogenaudio Im a newbee on here and this i...   Dec 29 2011, 20:51
|- - nu774   QUOTE (Bostedclog @ Dec 30 2011, 04:51) F...   Dec 30 2011, 02:24
|- - Bostedclog   So the x86 is the 32 bit exe file? God Im dumb. T...   Dec 30 2011, 09:07
- - LigH   Are you trying to execute a 64-bit application on ...   Dec 29 2011, 21:07
- - LigH   "x86" once had the meaning of "inte...   Dec 30 2011, 10:00
|- - Bostedclog   QUOTE (LigH @ Dec 30 2011, 09:00) "x...   Dec 30 2011, 11:43
- - Boulder   Was the message that showed channel remapping lost...   Dec 30 2011, 21:26
|- - nu774   QUOTE (Boulder @ Dec 31 2011, 05:26) Was ...   Dec 31 2011, 03:16
|- - nu774   Released 1.18 now. Enabled channel layout printing...   Jan 1 2012, 12:05
|- - Boulder   QUOTE (nu774 @ Jan 1 2012, 14:05) Release...   Jan 1 2012, 12:38
- - LigH   Good to see that qaac is supported quite well; my ...   Dec 30 2011, 21:36
- - Bostedclog   Before I decide to encode all of my music to qaac ...   Jan 2 2012, 23:01
- - Kohlrabi   QUOTE (Bostedclog @ Jan 2 2012, 23:01) Be...   Jan 2 2012, 23:09
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