Thread: mm lossy?
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Old 2006-02-07, 02:36 PM
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ssamadhi97 ssamadhi97 is offline
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Join Date: Nov 2004
Location: Old Europe
Re: mm lossy?

Quote:
Originally Posted by *dJ*
Was wondering about this one, especially because it's know to be circulating in mp3. It can (therefore) be some tracks are ok and some not..

Track 01
FA: http://img146.imageshack.us/my.php?i...rack1fa3gi.png
SA: http://img66.imageshack.us/my.php?im...rack1sa4vi.png

Track 12
FA: http://img141.imageshack.us/my.php?i...ack12fa5fd.png
SA: http://img149.imageshack.us/my.php?i...ack12sa4py.png

Track 18
FA: http://img91.imageshack.us/my.php?im...ack18fa3uc.png
SA: http://img91.imageshack.us/my.php?im...ack18sa9mi.png

The given lineage:
THIS IS AN EXCELLANT QUALITY DEMO TAPE THAT I RECEIVED IN A TRADE
FROM CD - FLAC

..which seems strange on his own. Got a tape and conversion says cd>flac
All of these look mp3 sourced -typical blocking and lowpassing, though the encoder picked a pretty high lowpass on some of the tracks (probably Blade at fairly high bitrate, which is iirc known to do that. It's also known to suck. :P)

Quote:
Originally Posted by *dJ*
Also got another show, which claims to be FM sourced:

Track 03
FA: http://img92.imageshack.us/my.php?im...ufatr033jn.png
SA: http://img261.imageshack.us/my.php?i...usatr039ia.png

Track 11
FA: http://img145.imageshack.us/my.php?i...esulufa3xu.png
SA: http://img145.imageshack.us/my.php?i...esulusa4lq.png

I was wondering how can it be the carrier is 16 kHz? How can it be the drop at track 3 is reanoable (?) bigger comparing with track 11?
Track 03 seems to miss some blocks in ther carrier?

As usual any help is appreciated!!
This source exhibits typical signs of an analog tv recording - the audio bandwidth, the structure of the noise floor in the treble range (especially in the left channel), and especially the "tone" which apparently is at the line frequency of NTSC (~15750 Hz) or PAL (~15625 Hz), just below 16kHz - no, that's not a "carrier" signal of any kind.
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