Hello Mark,
On 2025-06-08T19:27:20+0200, Mark Filipak
<markfilipak.imdb-at-gmail....@ffmpeg.org> wrote:
I want archival quality.
On 2025-06-07T21:17:03+0200, Mark Filipak
<markfilipak.imdb-at-gmail....@ffmpeg.org> wrote:
ffmpeg^
-i "c:\Ashra, Correlations [1979] chapters.txt"^
-i c:\01.WAV^
-i c:\02.WAV^
-i c:\03.WAV^
-i c:\04.WAV^
-i c:\05.WAV^
-i c:\06.WAV^
-i c:\07.WAV^
-filter_complex
"[1:0][2:0][3:0][4:0][5:0][6:0][7:0]concat=n=7:v=0:a=1[out]"^
-map_metadata 0 -map "[out]"^
-c libmp3lame -compression_level 0^
"c:\Ashra, Correlations [1979].mp4"
If you want to archive audio, you should use a lossless audio codec,
which libmp3lame definitely isn't!
What's the origin of these 7 WAV-files and the chapter-file? Did you rip
the WAV-files yourself from a CD? If so, with Exact Audio Copy (EAC) by
any chance?
As your intention is to archive this album to one single file, I would
highly recommend you...
1) Rip the CD to one single WAV-file (if you actually have the CD). Or
if your ripper supports it, skip the WAV-file and directly rip to FLAC,
WV, or TAK.
2) I personally use TAK for audio archival, but please consult
https://hydrogenaudio.org/index.php/topic,126205.0.html for you lossless
audio format of choice.
3) Let the ripper simultaneously generate a CUE-sheet. This is the
recommended way to tag the archived audio. Chapters are for video-files
and the MP4-container is not meant for audio only.
4) I can't remember if Exact Audio Copy was capable of directly tagging
the resulting single audio-file with the CUE-sheet, because it's been
quite some years since I last used the ripper, but otherwise I'd use
Mp3Tag (https://www.mp3tag.de/en/). With it you can add the CUE-sheet
afterwards, or even cover-art and all sorts of tags if you want.
If you only have those 7 WAV-files, then you could use FFmpeg for
concatenating and compressing (except for TAK), but the tagging I would
leave to Mp3Tag.
ffmpeg -i c:\01.WAV [...] -i c:\07.WAV -filter_complex
"[0:0][1:0][2:0][3:0][4:0][5:0][6:0]concat=n=7:v=0:a=1"
-compression_level 12 "c:\Ashra, Correlations [1979].flac"
ffmpeg -i c:\01.WAV [...] -i c:\07.WAV -filter_complex
"[0:0][1:0][2:0][3:0][4:0][5:0][6:0]concat=n=7:v=0:a=1"
-compression_level 12 "c:\Ashra, Correlations [1979].wv"
ffmpeg -i c:\01.WAV [...] -i c:\07.WAV -filter_complex
"[0:0][1:0][2:0][3:0][4:0][5:0][6:0]concat=n=7:v=0:a=1" -f wav - |
Takc.exe -e -pMax -ihs - "c:\Ashra, Correlations [1979].tak"
(-map_metadata 0 is unnecessary, because WAV doesn't support tags)
--
Reino
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