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Date:      Sun, 13 Apr 2003 19:53:57 -0600
From:      <soralx@cydem.org.ua>
To:        multimedia@freebsd.org
Cc:        mwm-dated-1050704663.182e93@mired.org
Subject:   Re: How to play new flavor of mp3 files
Message-ID:  <200304131953.59231.soralx@cydem.org.ua>
In-Reply-To: <16025.58261.293960.638611@guru.mired.org>
References:  <reichert@numachi.com> <20030413213928.5D8669E@CRWdog.demon.co.uk> <16025.58261.293960.638611@guru.mired.org>

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> I'm beginning to believe these things aren't real mp3 files.

It's certainly not. The funny thing is that nobody tried to
view this file with 'hd' or editor:

`biew /root/broken.mp3':

00000000: FF FB 10 00  03 0A 02 0B  01 0B 03 05  02 04 04 08    =FF=FB. ...=
=2E........
00000010: 09 07 09 08  07 09 02 0A  05 08 01 02  0A 07 06 07    ...........=
=2E....
00000020: 04 0A 0B 04  01 07 08 06  03 00 09 0A  00 06 02 00    ......... .=
=2E ..
00000030: 0B 05 0A 08  07 01 06 08  03 01 00 02  0A 06 0B 04    .......... =
=2E....
00000040: 04 02 05 05  00 04 00 05  0B 07 0A 07  08 0B 07 02    .... . ....=
=2E....
00000050: 0A 04 07 07  03 02 00 06  03 03 04 0B  01 0B 07 05    ...... ....=
=2E....
00000060: 07 05 00 07  00 0B 0A 0B  FF FB 10 00  05 0B 05 05    .. . ...=FF=
=FB. ....
00000070: 04 0B 00 09  01 0A 05 04  05 00 0B 0A  09 00 04 03    .. ...... .=
=2E. ..
00000080: 07 07 0B 04  03 08 0B 05  09 0A 01 05  09 0A 06 07    ...........=
=2E....
00000090: 06 09 05 06  04 00 07 07  08 06 04 03  09 02 01 01    ..... .....=
=2E....
000000A0: 00 0A 0B 00  03 07 07 00  0B 06 09 05  07 02 06 01     .. ... ...=
=2E....
000000B0: 00 0B 09 08  02 02 06 05  0B 02 02 06  03 02 06 0A     ..........=
=2E....

Also note:

bash-2.05a# ls -alFG /root/broken.mp3
=2Drw-r--r--  1 root  wheel  6767306 Apr 13 00:14 /root/broken.mp3
bash-2.05a# gzip -9 /root/broken.mp3
bash-2.05a# ls -alFG /root/broken.mp3.gz
=2Drw-r--r--  1 root  wheel  3394480 Apr 13 00:14 /root/broken.mp3.gz

That's 50.15998980982979046610275935505200% compression rate! :)
Not bad for a MPEG Layer 3 file with Huffman coding, is it?

13.04.2003; 19:40:54
[SorAlx]  http://cydem.org.ua/



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