RE: netmd-dev digest, Vol 1 #260 - 3 msgs

Eric Woudenberg, Minidisc.org Editor, wrote:
> David Biedenbach <[email protected]> writes:
>
>> A-hah! That's why it didnt work ;)
>> However, this result seems rather odd....
>> all discs respond to
>> 00 18 06 02 20 18 01 00 00 30 00 08 00 ff 00 00 00 00 00 with
>> 01 81 1b 00
>> 09 18 06 02 20 18 01 00 00 30 00 08 00 10 00 00
>> 08 00 00 00 06 00 08 00 02 80 01
>> whether they are wchar only, normal only, or both wchar and normal.
>> The implication here seems to be that all discs have normally encoded
>> titles whether they're used or not, but only certain discs have
>> titles with wchar encoding...
>
> Yes, that was my understanding, that all the wchar titles are in UTOC
> sector #4, more or less in parallel with normal titles in UTOC sector
> #1. From http://www.minidisc.org/md_toc.html#utoc:
>
>   The UTOC can be read and written by all MD recorders, and read by
>   all MD players. It occupies several disc sectors, each 2336 bytes
>   long. UTOC sector #0 describes the disc addresses of each track's
>   audio information, sector #1 holds the characters in the track
>   titles, and sector #2 holds track timestamp information. According
>   to other documentation I've read, sector #3 contains the Barcode
>   for the disc and ISRC for the music, and sector #4 contains Disk
>   title, music titles and artist in ISO-8895-1 format.
>
> I think I got this information from John Watkinson's "The Art of
> Digital Audio" or maybe Pohlman's book on Digital Audio.
>
> But just checking on the web, ISO-8895 seems like an 8-bit ASCII-like
> encoding, so maybe this isn't right, or there's a typo somewhere.


Just a thought, but ISO-8859-1 (note the digit reversal) is ISO Latin-1,
which constitutes the first 256 characters of Unicode.  It's also a
subset of Windows ANSI (Western), the default 8-bit encoding in Windows.

Hth.,

- Alf