libebur128 - (yet another) EBU R 128 implementation |
libebur128 - (yet another) EBU R 128 implementation |
 Jan 12 2011, 17:08
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#1
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 Group: Developer Posts: 224 Joined: 14-September 04 Member No.: 17002  |
Hi,
inspired by the wonderful work in this thread, I wrote my own implementation of the EBU R 128 standard. It is written in plain ANSI C and designed as a library, so you can use it in your own code. It's licensed under the MIT license. I've also implemented a simple scanning tool, which outputs something like this: CODE $ ./r128-sndfile -l -p both ~/music/bad\ loop\ -\ Luo/*.flac -12.81 LUFS, LRA: 14.16 LU, sample peak: 0.89151001, true peak: 0.99826229, /home/jan/music/bad loop - Luo/bad loop - Luo - 01 Nio.flac -11.15 LUFS, LRA: 8.26 LU, sample peak: 0.89163208, true peak: 0.99095666, /home/jan/music/bad loop - Luo/bad loop - Luo - 02 Eri Valeire.flac -10.14 LUFS, LRA: 11.79 LU, sample peak: 0.89154053, true peak: 0.99171823, /home/jan/music/bad loop - Luo/bad loop - Luo - 03 Kauniit Ihmiset.flac -11.31 LUFS, LRA: 11.75 LU, sample peak: 0.89157104, true peak: 0.92898595, /home/jan/music/bad loop - Luo/bad loop - Luo - 04 Mmin.flac -26.13 LUFS, LRA: 14.87 LU, sample peak: 0.25204468, true peak: 0.25203928, /home/jan/music/bad loop - Luo/bad loop - Luo - 05 3b Or T.flac -14.10 LUFS, LRA: 11.40 LU, sample peak: 0.89151001, true peak: 1.02603507, /home/jan/music/bad loop - Luo/bad loop - Luo - 06 Kannas Nsp.flac -------------------------------------------------------------------------------- -11.75 LUFS, LRA: 13.34 LU, sample peak: 0.89163208, true peak: 1.02603507 There is also ReplayGain tagging, using a reference level of -18 LUFS to match RG's loudness: CODE r128-mpg123 -t album [FILE|DIRECTORY]... r128-mpg123 -t track [FILE|DIRECTORY]... Download current version here. This post has been edited by Raiden: Feb 27 2011, 22:29 |
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Jan 31 2011, 09:51
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#2
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Group: Developer Posts: 224 Joined: 14-September 04 Member No.: 17002 |
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Jan 31 2011, 19:34
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#3
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Group: Members Posts: 7 Joined: 31-January 11 Member No.: 87795 |
QUOTE (Raiden @ Jan 31 2011, 09:51)  Here are non SSE builds: http://www-public.tu-bs.de:8080/~y0035293/...in32-no-sse.zip http://www-public.tu-bs.de:8080/~y0035293/...x-no-sse.tar.gz Thanks! |
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Feb 3 2011, 11:47
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#4
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Group: Members Posts: 6 Joined: 3-February 11 Member No.: 87885 |
QUOTE (gjgriffith @ Jan 31 2011, 19:34) QUOTE (Raiden @ Jan 31 2011, 09:51) Here are non SSE builds: http://www-public.tu-bs.de:8080/~y0035293/...in32-no-sse.zip http://www-public.tu-bs.de:8080/~y0035293/...x-no-sse.tar.gz Thanks! Hi all, First of all congratulations for the library, Raiden. I'm no pro programmer but to me it seems you are making this with great attention to detail, I'm new to the forum but quite familiar with R128. I tested the executable on some wav files and it worked great. But I have a couple of questions: When you say it's referenced to -18 LU what do you mean exactly? what does this imply? I'm working in the context of broadcast TV (not music tracks) and thus handling with very long files (more than 1 hour). Just as a suggestion two things would be useful: -progress indication  - it would be VERY cool if you could log the short-term loudnesses to a text file for further detailed analysis. I know this is part of the program itself, not the library, but is there a chance you could add this? Thanks very much! |
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Feb 3 2011, 12:31
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#5
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Group: Members Posts: 698 Joined: 6-March 10 Member No.: 78779 |
The R128 spec defines a measurement of short-term loudness. It is constantly updated over a 3 sec window. Would that better serve your needs?
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Raiden libebur128 - (yet another) EBU R 128 implementation Jan 12 2011, 17:08
googlebot While I'm really a big proponent of modern cod... Jan 12 2011, 18:01 googlebot IMHO, you should both think about contributing you... Jan 12 2011, 18:58
pbelkner First of all congratulations, Raiden, for the grea... Jan 13 2011, 09:38 googlebot QUOTE (pbelkner @ Jan 13 2011, 09:38) On ... Jan 13 2011, 11:32 mudlord Nice nice work.
QUOTE IMHO, you should both think... Jan 12 2011, 20:14 pbelkner QUOTE (mudlord @ Jan 12 2011, 21:14) Why,... Jan 13 2011, 09:45 Raiden QUOTE (googlebot @ Jan 12 2011, 18:01) Th... Jan 12 2011, 20:14 googlebot Great! Even gets the 6-channel case right in c... Jan 12 2011, 20:28 mudlord Hmmm, shouldn't ebur128_write_frames be ebur... Jan 12 2011, 21:49 Raiden QUOTE (googlebot @ Jan 12 2011, 20:28) Gr... Jan 12 2011, 21:52 pbelkner QUOTE (Raiden @ Jan 12 2011, 22:52) QUOTE... Jan 13 2011, 09:51 Raiden QUOTE (mudlord @ Jan 12 2011, 21:49) Hmmm... Jan 12 2011, 22:12 googlebot QUOTE (Raiden @ Jan 12 2011, 22:12) How d... Jan 12 2011, 23:07 benski Is there a good mapping between LUFS and ReplayGai... Jan 12 2011, 22:17 Raiden I've just uploaded version 0.1.2:
- fixed a ra... Jan 14 2011, 10:31 Raiden QUOTE (pbelkner @ Jan 13 2011, 09:51) Up ... Jan 14 2011, 10:40 pbelkner QUOTE (Raiden @ Jan 14 2011, 11:40) QUOTE... Jan 14 2011, 10:46 Raiden QUOTE (pbelkner @ Jan 14 2011, 10:46) Tha... Jan 14 2011, 11:01 Raiden 0.1.3 is up!
- Added tagging support. You need... Jan 16 2011, 00:51 C.R.Helmrich I gave this a try yesterday (r128-sndfile, version... Jan 16 2011, 14:28 pbelkner QUOTE (C.R.Helmrich @ Jan 16 2011, 15:28)... Jan 16 2011, 15:07 C.R.Helmrich QUOTE (C.R.Helmrich @ Jan 16 2011, 15:28)... Jan 16 2011, 16:13 pbelkner QUOTE (C.R.Helmrich @ Jan 16 2011, 17:13)... Jan 16 2011, 16:46 benski QUOTE (pbelkner @ Jan 16 2011, 10:46) On ... Jan 16 2011, 20:24 pbelkner QUOTE (benski @ Jan 16 2011, 21:24) QUOTE... Jan 16 2011, 20:32 Notat QUOTE (C.R.Helmrich @ Jan 16 2011, 15:28)... Jan 16 2011, 21:40 Raiden QUOTE (C.R.Helmrich @ Jan 16 2011, 14:28)... Jan 16 2011, 17:47 pbelkner QUOTE (Raiden @ Jan 16 2011, 18:47) I... Jan 16 2011, 18:49 Notat QUOTE (Raiden @ Jan 16 2011, 09:47) Yeste... Jan 16 2011, 21:46 pbelkner QUOTE (Raiden @ Jan 16 2011, 18:47) Yeste... Jan 17 2011, 18:22 lvqcl QUOTE now it only calls out coefficients for 48 an... Jan 16 2011, 21:58 Notat QUOTE (lvqcl @ Jan 16 2011, 13:58) QUOTE ... Jan 17 2011, 00:35 Raiden QUOTE (Notat @ Jan 16 2011, 21:46) QUOTE ... Jan 17 2011, 00:18 Raiden QUOTE (C.R.Helmrich @ Jan 16 2011, 14:28)... Jan 17 2011, 00:25 Raiden 0.1.4 has been uploaded, with the following new fe... Jan 17 2011, 00:42 verdemar Thanks, works very well for me.
Just thought I... Jan 17 2011, 21:36 benski Correct.
V are gain values and have no relation... Jan 17 2011, 19:11 pbelkner QUOTE (benski @ Jan 17 2011, 20:11) Corre... Jan 19 2011, 16:40 Raiden QUOTE (verdemar @ Jan 17 2011, 21:36) Sub... Jan 18 2011, 23:53 Raiden Version 0.1.5 has arrived!
- I've seperate... Jan 19 2011, 00:21 Raiden QUOTE (pbelkner @ Jan 19 2011, 16:40) The... Jan 23 2011, 16:49 Raiden I've uploaded 0.1.6:
- The main new feature is... Jan 23 2011, 17:00 hödyr Any idea why r128-mpg123 does not work for me on W... Jan 23 2011, 18:17 C.R.Helmrich Thanks for the new version. When I check the same ... Jan 23 2011, 20:00 Raiden QUOTE (C.R.Helmrich @ Jan 23 2011, 20:00)... Jan 23 2011, 20:28 Raiden QUOTE (hödyr @ Jan 23 2011, 18:17) Any id... Jan 23 2011, 20:42 Raiden Version 0.1.7 is just a bug fix:
- Handle MP3... Jan 23 2011, 23:05 hödyr Thanks. Could you fix the build script to run on F... Jan 24 2011, 11:55 Raiden QUOTE (hödyr @ Jan 24 2011, 11:55) Thanks... Jan 24 2011, 12:45 Raiden I've uploaded 0.1.8:
- Some improvements to th... Jan 24 2011, 23:50 kode54 I've made my own preliminary foo_r128scan comp... Jan 26 2011, 06:25 Raiden I've uploaded 0.1.9. This is mostly a library ... Jan 28 2011, 12:14 kode54 You made a mistake in ebur128_change_parameters:
... Jan 29 2011, 02:58 C.R.Helmrich And in ebur128.h it says:
QUOTE /* Get short-term... Jan 29 2011, 17:13 Raiden Thank you for the bug reports!
I've upload... Jan 30 2011, 21:04 gjgriffith Is SSE2 required to run this tool? The only versio... Jan 31 2011, 02:33 nucelar QUOTE (googlebot @ Feb 3 2011, 12:31) The... Feb 3 2011, 12:48 Raiden QUOTE (nucelar @ Feb 3 2011, 11:47) First... Feb 3 2011, 20:55 nucelar QUOTE (Raiden @ Feb 3 2011, 20:55) It is ... Feb 4 2011, 12:03 Raiden QUOTE (nucelar @ Feb 4 2011, 12:03) Later... Feb 5 2011, 18:42 Raiden I've uploaded 0.1.11. There are no changes to ... Feb 5 2011, 18:51 kode54 You may want to take a look at the silly changes I... Feb 6 2011, 08:50 googlebot QUOTE (kode54 @ Feb 6 2011, 08:50) You ma... Feb 6 2011, 09:15 Raiden QUOTE (kode54 @ Feb 6 2011, 08:50) You ma... Feb 6 2011, 11:42 googlebot QUOTE (Raiden @ Feb 6 2011, 11:42) I supp... Feb 6 2011, 11:46 pbelkner QUOTE (Raiden @ Feb 6 2011, 11:42) Tech 3... Feb 6 2011, 11:59 leirbag Hi,
I have just tested last version (libebur128-0... Feb 6 2011, 12:28 Raiden Thanks for the report! It was a bug in the com... Feb 6 2011, 13:38 leirbag QUOTE (Raiden @ Feb 6 2011, 13:38) Thanks... Feb 6 2011, 14:14 leirbag QUOTE (Raiden @ Feb 6 2011, 13:38) Thanks... Feb 6 2011, 14:19 benski Raiden.
For gated loudness of a segment, the EBU ... Feb 6 2011, 20:51 Raiden QUOTE (benski @ Feb 6 2011, 20:51) For ga... Feb 6 2011, 22:16 benski And in the example of a 600ms input, it should be ... Feb 6 2011, 22:36 kode54 Ah, right, then. Well, then it would be helpful to... Feb 7 2011, 00:44 Raiden QUOTE (googlebot @ Feb 6 2011, 11:46) PS ... Feb 7 2011, 02:06 romor QUOTE (Raiden @ Feb 7 2011, 02:06) It cou... Feb 7 2011, 03:08 Raiden QUOTE (benski @ Feb 6 2011, 22:36) And in... Feb 7 2011, 02:21 benski QUOTE (Raiden @ Feb 6 2011, 20:21) QUOTE ... Feb 7 2011, 05:22 Raiden QUOTE (kode54 @ Feb 7 2011, 00:44) Ah, ri... Feb 7 2011, 02:40 Raiden It is doing window overlap. Otherwise, the block e... Feb 7 2011, 06:36 benski QUOTE (Raiden @ Feb 7 2011, 00:36) It is ... Feb 7 2011, 16:20 kode54 The library doesn't like it very much if the s... Feb 7 2011, 15:06 pbelkner QUOTE (kode54 @ Feb 7 2011, 15:06) /5*2.
... Feb 7 2011, 15:20 nucelar Hi raiden, you're last improvements/ additions... Feb 7 2011, 16:59 Raiden Hi again,
I've uploaded 0.2.0:
Library:
- Rem... Feb 20 2011, 18:55 habasud QUOTE (Raiden @ Feb 20 2011, 18:55) Hi ag... Feb 23 2011, 09:46 Raiden QUOTE (habasud @ Feb 23 2011, 09:46) It t... Feb 23 2011, 12:38 C.R.Helmrich FYI: EBU tech doc 3343 has been published.
Chris Feb 26 2011, 13:10 Raiden I've uploaded 0.2.1.
Library:
- removed the e... Feb 26 2011, 20:20 Raiden And here is 0.2.2, with a single change:
- added ... Feb 27 2011, 22:40 nucelar QUOTE (Raiden @ Feb 27 2011, 22:40) And h... Mar 3 2011, 18:01 Raiden QUOTE (nucelar @ Mar 3 2011, 18:01) Hey R... Mar 3 2011, 22:33 nucelar Hi!
Thanks for the Macports suggestion, i will... Mar 4 2011, 11:53 habasud ...maybe someone finds it useful to visualize the ... Mar 4 2011, 12:36 Surfi ::
SSE2 Win32 compile doesn't work with comma... Mar 5 2011, 18:37 |
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