[Flac-dev] are 588 sample frames subset or nonsubset?
Howard Farrar
howard.farrar at meridian.co.uk
Tue May 20 09:48:17 PDT 2008
Hi
I am thinking of ripping albums to a single flac file with embedded
cuesheet. As track and index points have to be on a 588 sample boundary due
to the CD TOC standard working in 588 sample frames, I thought it may be
beneficial to rip CDs with a blocksize of 588 samples.
According to the format page on sourcefourge a stream is subset if
"The blocksize bits in the frame header must be 0001-1110.
The blocksize must be <=16384;
if the sample rate is <= 48000Hz, the blocksize must be <=4608.
As far as I can tell, this means that a blocksize of 588 should be subset,
although the blocksize would be a 16 bit value at the end of the frame
header.
However when I try encoding with flac 1.2.1 it says that only the blocksizes
that can be represented in the 4 bits in the early part of the frame header.
Which is correct? Can anyone forsee any problems with encoding with a block
size of 588 samples?
Best Regards
Howard
Meridian Audio Ltd - www.meridian-audio.com - Registered in England
Registered Office: 11 Latham Road, Huntingdon, Cambs, PE29 6YE, UK
Company Registration No. 2710631 VAT Registered No. GB576660505
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