Mike Williams wrote:
On Thursday 08 January 2004 23:04, Norbert Kamenicky wrote:


dd if=/dev/cdrom of=abitforbitcopy.iso

this can hardly work with audio CD :-(


I didn't tested that, and don't have an audio cd to hand to test, but I see no reason why it wouldn't work.

dd is working on a block device, so format is irrelevant.

:-)


short answer: just try it !

long answer:
it would be true, if there is no technical difference
between audio and data CD format, but there is lot of them
e.g. writting mode 1, mode 2 ...
CD audio sector has 2352 bytes, no header, no crc
CD data sector has 2048 bytes + header and crc

another possibility will be wrapper in kernel code
to make it possible, but nobody wrote it yet afaik.

noro




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