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Lossy or Lossless? Please use this forum to post spectral and frequency analysis posts about shows you have your doubts about.

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  #1  
Old 2005-05-05, 08:15 PM
Tate Tate is offline
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Is this lossy?

Since I'm stumped, I'll ask the experts here. The lineage to this is apparently master tape --> CDR --> CDR --> FLAC (seeder said he can't quite remember).

There is activity over 16K, so I didn't think it was lossy. But then with a close-up, looks lossy because of those blocks. This show is from 1975, so it's no MD recording

What do you guys think?
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  #2  
Old 2005-05-05, 08:28 PM
Tate Tate is offline
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Re: Is this lossy?

I uploaded a small WAV clip:
http://rapidshare.de/files/1597348/WAV.wav.html
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  #3  
Old 2005-05-05, 08:47 PM
ffooky ffooky is offline
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Re: Is this lossy?

I'm very interested in the consensus on this as I've seen quite a few very similar analyses, usually from equally old if not older shows...the staggered drop off in the frequency analysis and blocky yet irregular look to the spectral.
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  #4  
Old 2005-05-05, 10:27 PM
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Re: Is this lossy?

no question in my mind, that's lossy.
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  #5  
Old 2005-05-05, 10:37 PM
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Re: Is this lossy?

that looks very nasty.....
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  #6  
Old 2005-05-06, 09:43 AM
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ssamadhi97 ssamadhi97 is offline
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Re: Is this lossy?

Quote:
Originally Posted by Tate
This show is from 1975, so it's no MD recording
From the looks of it, it went through an MD generation nonetheless - without a doubt.
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  #7  
Old 2005-05-06, 01:17 PM
Tate Tate is offline
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Re: Is this lossy?

Thanks guys for the help!

Quote:
Originally Posted by ssamadhi97
From the looks of it, it went through an MD generation nonetheless - without a doubt.
I never considered that. Guess that explains it. People shouldn't do that to their bootlegs, it's as bad as converting to MP3. Only when a show has been recorded with a MD device it's OK..
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  #8  
Old 2005-05-06, 04:15 PM
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Re: Is this lossy?

I've seen this "rampart" pattern on a couple shows seeded on EZT before, I wonder if they could possibly be coming from the same culprit? I spent some time today playing around with lossy encoders trying to figure out what exactly this is to no avail. ssamadhi97 has the best theory so far.
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  #9  
Old 2005-05-06, 04:50 PM
ffooky ffooky is offline
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Re: Is this lossy?

Back on STG there was a bloke seeding a slew of Peter Laughner/RFTT recordings and they all had the same fa/sa characteristics as this one.
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