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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 2009-02-16, 02:37 PM
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Lossy?

Can't decide on this if it's lossy or not... the cut can be seen around 30 sec is on the original recording.

Thanks in advance
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  #2  
Old 2009-02-16, 02:46 PM
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Re: Lossy?

Here's a much more detailed, 2 sec view..
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  #3  
Old 2009-02-16, 03:53 PM
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Re: Lossy?

That's a harsh cut at 18K...but what's that spike at 15K?
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Old 2009-02-16, 04:16 PM
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Re: Lossy?

I guess its not indicating an fm broadcast as it might have in other cases...
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Old 2009-02-16, 04:47 PM
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Re: Lossy?

Spectral looks OK. Kinduva odd freq. FM will often have very little above 15K, with a 19K pilot tone.

Guess it's OK.
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Old 2009-02-16, 06:17 PM
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Re: Lossy?

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Originally Posted by rspencer View Post
Spectral looks OK. Kinduva odd freq. FM will often have very little above 15K, with a 19K pilot tone.

Guess it's OK.
TV has a pilot tone at 15.75 kHz or so.
Those spectrals only show up to 7 kHz. However, it looks ok-ish to me.
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  #7  
Old 2009-02-16, 09:01 PM
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Re: Lossy?

While tryin' to learn how to see these things by myself, I made the proper view on another track... Thanks for all the help
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  #8  
Old 2009-02-16, 09:07 PM
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Re: Lossy?

Those blockies make it look lossy.

that spike is too low for FM radio, but could be the noise from a CRT (just under 16kHz) which is commonly seen on analog transfers to a computer. If someone subsequently speed corrected the recording, the spike would appear slightly lower.
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Old 2009-02-17, 07:27 AM
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Re: Lossy?

Thanks jameskg for telling!

With GN'R boots its always problematic to get it without lossy heritage.
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