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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
2005-11-29, 10:42 AM
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I've never seen this before.....lossy or not?
So I'm new at this whole SA/FA thing so maybe this isn't a big deal but I've never seen anything like it.
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#2
2005-11-29, 10:43 AM
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Re: I've never seen this before.....lossy or not?
And while I've got your attention....what do you think about this one?
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#3
2005-11-29, 11:23 AM
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Re: I've never seen this before.....lossy or not?
hey heather...can you zoom those in to around 2 secs? can't tell if thats a pilot tone or a mirroring affect...
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#4
2005-11-29, 05:42 PM
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Re: I've never seen this before.....lossy or not?
the first one has a strange mirror effect and what I like to call "death star groove" up the middle. I've seen only a couple like that before. I ripped a vhs tape last year that looked like that, I was using creative sb live at that time, perhaps this is the culprit. as for what it is & how it happens ssamadhi97 explained it somewhere in this forum a while ago perhaps he will post here.
it is probably lossless, but I have to see more the 2nd one looks totally okay from what I can see so far 2 second zooms as aar suggests would be helpful I would also love to check a yousendit.com sample of the 1st track if you find the time (10-20 seconds or just a short track would be great) and sorry to keep you waiting for your package I will mail it very very soon. I added a couple of bonus discs (melon) that you will love!
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Checksums Demystified | ask for help in Technobabble thetradersden.org | ttd recommended free software/freeware webring shntool tlh eac foobar2000 spek audacity cdwave vlc Quote:
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#5
2005-12-04, 09:50 PM
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Re: I've never seen this before.....lossy or not?
Erm. Yes. Sorry, forgot to reply.
Look for my brief explanation of "aliasing" in this thread: http://www.thetradersden.org/forums/...ad.php?t=11710 Basically it's introduced whenever some kind of ghetto upsampling filter is used on audio material. And by "ghetto" I mean something really dumb, like just duplicating samples as needed until there are enough for the desired sampling frequency (like for example EAC - or whatever performs resampling for it - does), instead of properly interpolating them. No members have liked this post.
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#6
2005-12-05, 12:18 PM
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Re: I've never seen this before.....lossy or not?
just to clarify, you mean the EAC SA. EAC's read/write functions are flawless. thanks for finding that post, too!
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Checksums Demystified | ask for help in Technobabble thetradersden.org | ttd recommended free software/freeware webring shntool tlh eac foobar2000 spek audacity cdwave vlc Quote:
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#7
2005-12-05, 08:42 PM
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Re: I've never seen this before.....lossy or not?
Actually I was referring to resampling performed by EAC (for example when converting non-44.1kHz content to 44.1kHz).
But you're right, that doesn't happen anywhere near its digital audio extraction routines. No members have liked this post.
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