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10cf2f455d
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25 Commits

Author SHA1 Message Date
exu
10cf2f455d Complete rewrite with pyloudnorm 
Based on
    https://ffmpeg.org/pipermail/ffmpeg-user/2024-March/057775.html
    loudnorm is a low quality filter.
    Some research gave some alternatives.
    One of these is "pyloudnorm", a native python module implementing
    EBU R 128 loudness normalization.
    This is what I have implemented now instead of the old ffmpeg
    filter.

    In the future additional rewrites to use the official FLAC and OPUS
    encoders might be desirable for better compression.
 2024-03-24 12:57:59 +01:00
exu
78ee74ed9d Huge rework of this script 
- Implement different conversions for lossless and lossy sources
    - Remove unused functions
    - Cleanup comments

    I noticed that FLAC --> FLAC normalisation will change the bit depth
    from 16 to 24. Wasn't able to find a simple solution for it, so I
    asked on the ffmpeg-user mailing list
    https://ffmpeg.org/pipermail/ffmpeg-user/2024-March/057774.html
 2024-03-23 18:32:01 +01:00
exu
9cab744773 Increase dynamic range some more 2024-01-27 20:46:14 +01:00
exu
eb122054ea reduce overall loudness 2023-12-22 12:40:24 +01:00
RealStickman
aeba2808bc Add symlink for venv in repo root folder 2023-07-02 20:52:48 +02:00
RealStickman
e644300d75 Decrease target loudness and increase dynamic range 2023-06-05 21:09:12 +02:00
RealStickman
81cfc75d2e Modify gitignores 2023-05-30 15:48:50 +02:00
RealStickman
9b666176da Set loudness normalization to -24 2023-05-22 19:57:33 +02:00
RealStickman
bfe103fa53 Add requirements 2023-05-21 13:58:53 +02:00
RealStickman
689497136d Change LRA to 7.0 2022-11-14 20:58:03 +01:00
RealStickman
895a19eb78 Output dynamically normalised songs at the end 2022-11-14 20:15:52 +01:00
RealStickman
1a26315578 Same example with process pool 2022-11-14 16:04:25 +01:00
RealStickman
294d7edaf7 Add small sample pool function 2022-11-14 16:02:02 +01:00
RealStickman
ae73c49742 WIP print dynamically normalized songs 2022-11-13 21:54:24 +01:00
RealStickman
d5c56f5f44 Remove print statement 2022-10-08 14:15:58 +02:00
RealStickman
b145688b6b Separated ffmpy arguments into dicts. (use later to include covers) 2022-10-08 14:15:24 +02:00
RealStickman
c14fc5a77d Move prints to beginning of function 2022-10-04 18:55:10 +02:00
RealStickman
f26177b6d7 Add reset option. Use mtime from the end of the run 2022-10-04 18:40:40 +02:00
RealStickman
d584ab9bde Always overwrite normalized files 2022-10-04 18:40:29 +02:00
RealStickman
1ecd83723a Fully functioning version 2022-10-04 18:16:56 +02:00
RealStickman
3732eadf27 Add gitignore 2022-10-03 21:40:13 +02:00
RealStickman
b6232f28e5 Convert function 2022-10-03 21:39:53 +02:00
RealStickman
26d22d410f Importing json 2022-10-03 21:39:38 +02:00
RealStickman
c483092b78 Finish loudness_info to return dict 2022-10-03 21:39:19 +02:00
RealStickman
efbaa72afb Initial commit 2022-10-03 19:58:45 +02:00