I'm misleading about FLAC subset constraints... Please help me
understand exact FLAC subset limitation.
From
https://www.xiph.org/flac/documentation_tools_flac.html#flac_options_blocksize:
Subset streams must use one of
192/576/1152/2304/4608/256/512/1024/2048/4096 (and 8192/16384 if the
sample
I mean that the first statement [Subset streams must use one of
192/576/1152/2304/4608/256/512/1024/2048/4096 (and 8192/16384 if the
sample rate is 48kHz).] published on
https://www.xiph.org/flac/documentation_tools_flac.html#flac_options_blocksize
page IS NOT EQUAL to second statement [The
The --best switch currently synonymous with -8 that synonymous
with --compression-level-8 that synonymous with -l 12 -b 4096 -m -e
-r 6.
Why value of -r switch in --best is limited to 6?
The maximum Rice order is 8 (not 6) for the stream to be Subset compatible.
-r 8 (-l 12 -b 4096 -m -e -r 8)
I'm misleading about FLAC subset constraints... Please help me
understand exact FLAC subset limitation.
From
https://www.xiph.org/flac/documentation_tools_flac.html#flac_options_blocksize:
Subset streams must use one of
192/576/1152/2304/4608/256/512/1024/2048/4096 (and 8192/16384 if the
Finally, does this mean that:
1. Now any block size from interval [16, 4607] is subset, e.g. 588?
2. Now any block size from interval [16, 16384] is subset, (only) if
sample rate 48 kHz?
And the third is the most interesting question:
3. Now not only constant (fixed) block size stream can be
How to check/test existing FLAC stream for Subset (when encoding
parameters are unknown and/or encoded with third-party FLAC encoders
e.g. FFMPEG)?
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Please help me understand what values of FFMPEG's compression_level
preset generate subset FLAC stream and what not-subset?
Default value of compression_level for FFMPEG's FLAC encoder is 5.
FLAC specific encoder parameters:
Encoder flac [FLAC (Free Lossless Audio Codec)]:
Threading
check the resulting file for subset blocksizes, sample rates, bits per
sample, LPC filter order and rice partition order.
That's all parameters that I need to check?
FLAC tools have a lots of warnings about non-subset files during
encoding, but unfortunately don't have easy way to check/test
Hi!
Can anyone name hardware decoders that can't decode non-subset FLAC stream?
Which hardware device or software fails for mismatch of any conditions
described at http://xiph.org/flac/format.html#subset?
Thanks in advance!
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Anybody read it?
Hi!
Can anyone name hardware decoders that can't decode non-subset FLAC stream?
Which hardware device or software fails for mismatch of any conditions
described at http://xiph.org/flac/format.html#subset?
Thanks in advance!
___
My portable audio player starts to stutter mildly when files have LPC blocks
with a order larger than 12, but I'm not sure it will play files with very
large blocksizes or unusual samplerates at all.
Can you name model of your portable audio player please?
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