On 08/06/2025 04.47, Ferdi Scholten wrote:
On 08-06-2025 04:21, Mark Filipak wrote:
The script above provoked this: "Too many bits 15269.442177 > 12288 per frame requested, clamping
to max". Of course, I have no idea what that's about. Do you? "Too many bits"?
Simple, the fixed bitrate you spec
For AAC encoding of pcm_s16le, what command should I use?
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On 08-06-2025 18:59, Mark Filipak wrote:
On 08/06/2025 04.47, Ferdi Scholten wrote:
On 08-06-2025 04:21, Mark Filipak wrote:
The script above provoked this: "Too many bits 15269.442177 > 12288
per frame requested, clamping to max". Of course, I have no idea
what that's about. Do you? "Too ma
On Sun, Jun 8, 2025 at 5:19 PM Mark Filipak <
markfilipak.imdb-at-gmail@ffmpeg.org> wrote:
> For AAC encoding of pcm_s16le, what command should I use?
>
There are numerous infos on web that native, ffmpeg AAC encoder is
sub-optimal on low bit-rates.
For above question, audio filter stack wi
On 08/06/2025 14.54, Paul B Mahol wrote:
On Sun, Jun 8, 2025 at 6:31 PM Mark Filipak <
Do you ever encode music, Paul? If so, what do you use?
FLAC only.
Yes, Z has convinced me. Thanks to both you and Z. I will use flac-in-m4a.
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On 6/8/2025 12:50 PM, Mark Filipak wrote:
I will go with FLAC due to endorsement by the US National Archives
BTW it took me under 2 minutes to find that; a little more research
before asserting things might be productive.
z!
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On 08/06/2025 16.05, Carl Zwanzig wrote:
On 6/8/2025 12:50 PM, Mark Filipak wrote:
I will go with FLAC due to endorsement by the US National Archives
BTW it took me under 2 minutes to find that; a little more research before asserting things might be
productive.
z!
I apologize, Z. I was n
Is FLAC (Free Lossless Audio Codec) lossless for compression_level > 0?
That is possible of course -- trading compression for encoding time -- but the documentation doesn't
say.
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On 08/06/2025 14.50, Carl Zwanzig wrote:
On Sun, Jun 8, 2025 at 6:10 PM Mark Filipak <
markfilipak.imdb-at-gmail@ffmpeg.org> wrote:
Am 08.06.2025 um 19:47 schrieb Mark Filipak:
FLAC is not a standard. I don't trust that it will be around in the
future.
It is, as already covered.
Th
On Sun, Jun 8, 2025 at 8:36 PM Mark Filipak <
markfilipak.imdb-at-gmail@ffmpeg.org> wrote:
> Is FLAC (Free Lossless Audio Codec) lossless for compression_level > 0?
> That is possible of course -- trading compression for encoding time -- but
> the documentation doesn't
> say.
>
Its just diffe
On 2025-06-08 13:35, Mark Filipak wrote:
Is FLAC (Free Lossless Audio Codec) lossless for compression_level > 0?
Yes, says the FLAC documentation[1]: it is "an audio format similar to
MP3, but lossless, meaning that audio is compressed in FLAC without any
loss in quality."
That is possibl
For AAC encoding of pcm_s16le, what command should I use?
I want archival quality.
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ffmpeg^
-i "c:\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^
-i c:\08.WAV^
-filter_complex
"[1:0][2:0][3:0][4:0][5:0][6:0][7:0][8:0]concat=n=8:v=0:a=1[out]"^
-map_metadata 0 -map "[out]"^
-c aac -b:a 657.6k^
"c:\Ashra
On 08/06/2025 13.31, Paul B Mahol wrote:
On Sun, Jun 8, 2025 at 5:27 PM Mark Filipak <
markfilipak.imdb-at-gmail@ffmpeg.org> wrote:
For AAC encoding of pcm_s16le, what command should I use?
I want archival quality.
In other circles, archival quality means lossless, thus FLAC and not AAC
On Sun, Jun 8, 2025 at 5:47 PM Mark Filipak <
markfilipak.imdb-at-gmail@ffmpeg.org> wrote:
> On 08/06/2025 13.31, Paul B Mahol wrote:
> > On Sun, Jun 8, 2025 at 5:27 PM Mark Filipak <
> > markfilipak.imdb-at-gmail@ffmpeg.org> wrote:
> >
> >> For AAC encoding of pcm_s16le, what command shou
On 08/06/2025 13.31, Paul B Mahol wrote:
On Sun, Jun 8, 2025 at 5:27 PM Mark Filipak <
markfilipak.imdb-at-gmail@ffmpeg.org> wrote:
For AAC encoding of pcm_s16le, what command should I use?
I want archival quality.
In other circles, archival quality means lossless, thus FLAC and not AAC
On 08/06/2025 13.47, Carl Zwanzig wrote:
On 6/8/2025 10:43 AM, Mark Filipak wrote:
FLAC is not a standard. I don't trust that it will be around in the future.
Leave them in PCM then, that'll be around forever. Want them to be smaller? gzip the files; sure,
you can't just play those directly,
On 6/8/2025 10:43 AM, Mark Filipak wrote:
FLAC is not a standard. I don't trust that it will be around in the future.
Leave them in PCM then, that'll be around forever. Want them to be
smaller? gzip the files; sure, you can't just play those directly, but
'archival' doesn't necessarily also m
Am 08.06.2025 um 19:47 schrieb Mark Filipak:
FLAC is not a standard. I don't trust that it will be around in the
future.
What constitutes a standard?
https://www.ietf.org/rfc/rfc9639.html
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On Sun, Jun 8, 2025 at 5:42 PM Mark Filipak <
markfilipak.imdb-at-gmail@ffmpeg.org> wrote:
> ffmpeg^
> -i "c:\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^
> -i c:\08.WAV^
> -filter_complex
> "
Hi Mark,
W dniu 2025-06-08 o 19:47, Mark Filipak pisze:
On 08/06/2025 13.31, Paul B Mahol wrote:
On Sun, Jun 8, 2025 at 5:27 PM Mark Filipak <
markfilipak.imdb-at-gmail@ffmpeg.org> wrote:
In other circles, archival quality means lossless, thus FLAC and not AAC.
FLAC is not a standard. I d
On 08/06/2025 13.52, Bernhard Döbler wrote:
Am 08.06.2025 um 19:47 schrieb Mark Filipak:
FLAC is not a standard. I don't trust that it will be around in the future.
What constitutes a standard?
That's a good question. To me, it's a construction document from an authority
on the art.
The In
On Sun, Jun 8, 2025 at 6:18 PM Mark Filipak <
markfilipak.imdb-at-gmail@ffmpeg.org> wrote:
> On 08/06/2025 13.51, Paul B Mahol wrote:
> > On Sun, Jun 8, 2025 at 5:42 PM Mark Filipak <
> > markfilipak.imdb-at-gmail@ffmpeg.org> wrote:
> >
> >> ffmpeg^
> >>-i "c:\chapters.txt"^
> >>-i
On Sun, Jun 8, 2025 at 6:10 PM Mark Filipak <
markfilipak.imdb-at-gmail@ffmpeg.org> wrote:
> On 08/06/2025 13.52, Bernhard Döbler wrote:
> > Am 08.06.2025 um 19:47 schrieb Mark Filipak:
> >> FLAC is not a standard. I don't trust that it will be around in the
> future.
> >
> > What constitutes
Well, I see one mistake I made...
Correction:
"(44.1 k-samples/sec/channel)*(16 bits/sample)=705.6 k-bits/second/channel"
was
"(41.1 k-samples/sec/channel)*(16 bits/sample)=657.6 k-bits/second/channel"
On 08/06/2025 04.47, Ferdi Scholten wrote:
On 08-06-2025 04:21, Mark Filipak wrote:
The scrip
On 08/06/2025 14.26, Paul B Mahol wrote:
On Sun, Jun 8, 2025 at 6:18 PM Mark Filipak <
markfilipak.imdb-at-gmail@ffmpeg.org> wrote:
On 08/06/2025 13.51, Paul B Mahol wrote:
On Sun, Jun 8, 2025 at 5:42 PM Mark Filipak <
markfilipak.imdb-at-gmail@ffmpeg.org> wrote:
ffmpeg^
-i "c:\c
On 08/06/2025 14.27, Paul B Mahol wrote:
On Sun, Jun 8, 2025 at 6:10 PM Mark Filipak <
markfilipak.imdb-at-gmail@ffmpeg.org> wrote:
On 08/06/2025 13.52, Bernhard Döbler wrote:
Am 08.06.2025 um 19:47 schrieb Mark Filipak:
FLAC is not a standard. I don't trust that it will be around in the
Hey, Paul.
On 08/06/2025 13.23, Paul B Mahol wrote:
On Sun, Jun 8, 2025 at 5:19 PM Mark Filipak <
markfilipak.imdb-at-gmail@ffmpeg.org> wrote:
For AAC encoding of pcm_s16le, what command should I use?
There are numerous infos on web that native, ffmpeg AAC encoder is
sub-optimal on low bit
On Sun, Jun 8, 2025 at 5:27 PM Mark Filipak <
markfilipak.imdb-at-gmail@ffmpeg.org> wrote:
> For AAC encoding of pcm_s16le, what command should I use?
>
> I want archival quality.
>
In other circles, archival quality means lossless, thus FLAC and not AAC.
> _
On 6/8/2025 10:50 AM, Mark Filipak wrote:
Thanks, Carl.
Who?? We've been over this before.
How do I do pcm-in-m4a?
You don't, you leave them in well-supported wav files.
z!
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On 08/06/2025 13.52, Carl Zwanzig wrote:
On 6/8/2025 10:50 AM, Mark Filipak wrote:
Thanks, Carl.
Who?? We've been over this before.
My email client says "Carl Zwanzig wrote:". I'm sorry I forgot that you object to "Carl". I'm just
trying to do the best I can. Please forgive me.
How do
On 08/06/2025 13.51, Paul B Mahol wrote:
On Sun, Jun 8, 2025 at 5:42 PM Mark Filipak <
markfilipak.imdb-at-gmail@ffmpeg.org> wrote:
ffmpeg^
-i "c:\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^
-i c
On Sun, Jun 8, 2025 at 6:10 PM Mark Filipak <
markfilipak.imdb-at-gmail@ffmpeg.org> wrote:
Am 08.06.2025 um 19:47 schrieb Mark Filipak:
FLAC is not a standard. I don't trust that it will be around in the
future.
It is, as already covered.
The Internet Engineering Task Force is not a
On Sun, Jun 8, 2025 at 6:31 PM Mark Filipak <
markfilipak.imdb-at-gmail@ffmpeg.org> wrote:
> On 08/06/2025 14.26, Paul B Mahol wrote:
> > On Sun, Jun 8, 2025 at 6:18 PM Mark Filipak <
> > markfilipak.imdb-at-gmail@ffmpeg.org> wrote:
> >
> >> On 08/06/2025 13.51, Paul B Mahol wrote:
> >>> O
On 08-06-2025 04:21, Mark Filipak wrote:
The script above provoked this: "Too many bits 15269.442177 > 12288
per frame requested, clamping to max". Of course, I have no idea what
that's about. Do you? "Too many bits"?
Simple, the fixed bitrate you specified is very much too high for the
au
On 08/06/2025 17.06, Jim DeLaHunt wrote:
On 2025-06-08 13:35, Mark Filipak wrote:
Is FLAC (Free Lossless Audio Codec) lossless for compression_level > 0?
Yes, says the FLAC documentation[1]: it is "an audio format similar to MP3, but lossless, meaning
that audio is compressed in FLAC without
The source: c:\01.WAV
620,398,844 bytes
ffmpeg^
-i c:\01.WAV^
-map 0^
-c flac^
"c:\Manual Goettsching [1992] E2-E4.flac.m4a"
Provoked: "Could not find tag for codec flac in stream #0, codec not currently
supported in container".
ffmpeg^
-i c:\01.WAV^
-map 0^
-c flac -compression_level 1
On 2025-06-08 16:17, Mark Filipak wrote:
On 08/06/2025 17.06, Jim DeLaHunt wrote:
On 2025-06-08 13:35, Mark Filipak wrote:
Is FLAC (Free Lossless Audio Codec) lossless for compression_level > 0?
Yes, says the FLAC documentation[1]: it is "an audio format similar
to MP3, but lossless, meani
On 08/06/2025 20.39, Jim DeLaHunt wrote:
On 2025-06-08 16:17, Mark Filipak wrote:
On 08/06/2025 17.06, Jim DeLaHunt wrote:
On 2025-06-08 13:35, Mark Filipak wrote:
Is FLAC (Free Lossless Audio Codec) lossless for compression_level > 0?
Yes, says the FLAC documentation[1]: it is "an audio f
On Sun, Jun 8, 2025 at 11:31 PM Mark Filipak <
markfilipak.imdb-at-gmail@ffmpeg.org> wrote:
> The source: c:\01.WAV
> 620,398,844 bytes
>
> ffmpeg^
> -i c:\01.WAV^
> -map 0^
> -c flac^
> "c:\Manual Goettsching [1992] E2-E4.flac.m4a"
>
> Provoked: "Could not find tag for codec flac in s
On 09/06/2025 00.25, Carl Zwanzig wrote:
On 6/8/2025 5:46 PM, Mark Filipak wrote:
That's the so-called specification. I read it. It's vague. Compared to MPEG's specifications, it's
quite vague.
What's your point? It _is_ the spec for FLAC, no "so-called" about it, and it does not seem that
va
On 6/8/2025 5:46 PM, Mark Filipak wrote:
That's the so-called specification. I read it. It's vague. Compared to
MPEG's specifications, it's quite vague.
What's your point? It _is_ the spec for FLAC, no "so-called" about it,
and it does not seem that vague to me. Heck, people have actually
man
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