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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 2005-11-01, 08:41 AM
mort
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opinions on this one with dreaded 16 khz stripe

opinions on this one with dreaded 16 khz stripe


tried to upload jpg bbut keep getting error message about database ?

Last edited by mort; 2005-11-01 at 08:43 AM. Reason: cant add atachment
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  #2  
Old 2005-11-01, 02:48 PM
mort
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Re: opinions on this one with dreaded 16 khz stripe

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I KEEP GETTING THIS MESSAGE
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  #3  
Old 2005-11-01, 02:58 PM
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Re: opinions on this one with dreaded 16 khz stripe

just u/l it to imageshack and then use the IMG link in yer post
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  #4  
Old 2005-11-02, 06:22 AM
mort
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Re: opinions on this one with dreaded 16 khz stripe

Image Shack ?
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  #5  
Old 2005-11-03, 03:28 AM
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Re: opinions on this one with dreaded 16 khz stripe

http://www.google.com/search?hl=en&q...=Google+Search
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  #6  
Old 2005-11-03, 05:23 AM
mort
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Re: opinions on this one with dreaded 16 khz stripe

Quote:
Originally Posted by mort
opinions on this one with dreaded 16 khz stripe


tried to upload jpg bbut keep getting error message about database ?


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Old 2005-11-03, 08:06 AM
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Re: opinions on this one with dreaded 16 khz stripe

could be a TV source...or, i've seen analogue cassette put "stripes" in...i'll leave further speculation to the others
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  #8  
Old 2005-11-03, 08:48 AM
mort
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Re: opinions on this one with dreaded 16 khz stripe

Quote:
Originally Posted by AAR.oner
could be a TV source...or, i've seen analogue cassette put "stripes" in...i'll leave further speculation to the others

not tv or fm it is a rip from an analouge aud tape so the ripper says !
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Old 2005-11-03, 09:25 AM
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Re: opinions on this one with dreaded 16 khz stripe

yup, cassette transfers often have a "stripe", sometimes more than one...inherehent in ana cass from what i understand
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Old 2005-11-03, 09:26 AM
mort
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Re: opinions on this one with dreaded 16 khz stripe

Quote:
Originally Posted by AAR.oner
yup, cassette transfers often have a "stripe", sometimes more than one...inherehent in ana cass from what i understand


odd because none of mine have this stripe and i do these transfers all day long
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Old 2005-11-03, 11:07 AM
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Re: opinions on this one with dreaded 16 khz stripe

usually a stripe like this means its from fm or tv. some ppl can tell exactly by looking at the frequency. the frequency response also seems to indicate this is from a broadcast. on the bright side, it doesn't look lossy. does it sound like a sbd?
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Old 2005-11-03, 11:13 AM
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Re: opinions on this one with dreaded 16 khz stripe

Quote:
Originally Posted by Five
usually a stripe like this means its from fm or tv. some ppl can tell exactly by looking at the frequency. the frequency response also seems to indicate this is from a broadcast. on the bright side, it doesn't look lossy. does it sound like a sbd?
If it really is from a cassette, the problem may be the soundcard used.

Many inexpensive or onboard cards create artifacts in the audible range.
Can be internal clock interference or other induced noise as well. Cheap
cables used between the deck and computer may be poorly shielded and
picking up stray noise also.

You can see this easily by capturing from a blank tape. There is no inherent
"stripe" in a cassette recording.

Hundreds of ways to get noise into an otherwise decent signal.......
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  #13  
Old 2005-11-03, 11:33 AM
mort
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Re: opinions on this one with dreaded 16 khz stripe

Quote:
Originally Posted by showtaper
If it really is from a cassette, the problem may be the soundcard used.

Many inexpensive or onboard cards create artifacts in the audible range.
Can be internal clock interference or other induced noise as well. Cheap
cables used between the deck and computer may be poorly shielded and
picking up stray noise also.

You can see this easily by capturing from a blank tape. There is no inherent
"stripe" in a cassette recording.

Hundreds of ways to get noise into an otherwise decent signal.......


YEA THATS WHAT I SUSPECT AS WELL

SHITTY SOUNDCARD


THANKS ALL
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  #14  
Old 2005-11-04, 07:50 AM
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Re: opinions on this one with dreaded 16 khz stripe

I also have a recording with a 16 kHz stripe, but it also has a stripe around 18,5 kHz.

All info about source is:
sbd or broadcast ? > ???? > cd-r > eac > wav > dbpoweramp > flac

Can I savely say this is FM sourced?




PS. I hope it's okay I put it in this thread..
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Old 2005-11-04, 09:42 AM
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Re: opinions on this one with dreaded 16 khz stripe

it could be fm or tv

maybe ssamadhi97 can tell which of the two...
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Quote:
Originally posted by oxymoron
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  #16  
Old 2005-11-04, 10:12 AM
mort
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Re: opinions on this one with dreaded 16 khz stripe

Quote:
Originally Posted by *dJ*
I also have a recording with a 16 kHz stripe, but it also has a stripe around 18,5 kHz.

All info about source is:
sbd or broadcast ? > ???? > cd-r > eac > wav > dbpoweramp > flac

Can I savely say this is FM sourced?




PS. I hope it's okay I put it in this thread..

SURE WHY NOT !
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  #17  
Old 2005-11-04, 11:51 AM
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Re: opinions on this one with dreaded 16 khz stripe

Quote:
Originally Posted by Five
it could be fm or tv
How can it possibly be FM with all that activity (not just noise) well over 15KHz?
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  #18  
Old 2005-11-04, 11:56 AM
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Re: opinions on this one with dreaded 16 khz stripe

I think it came up in another thread that with some broadcast-sourced shows there's been music (no just noise) above 15kHz with a stripe. 99.9% of all fm or tv broadcasts (I would like to say 100) have the stripe and a slightly uneven cutoff around 15kHz... so this is strange indeed

So could this be caused by a bad soundcard? HIFI VHS archiving, perhaps?
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Quote:
Originally posted by oxymoron
Here you are in a place of permanent madness, be careful!
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  #19  
Old 2005-11-06, 08:02 AM
mort
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Re: opinions on this one with dreaded 16 khz stripe

Quote:
Originally Posted by mort


THIS COMES FROM A TORRENT BY J. P. F. !

LOOKS LIKE HE NEEDS TO SPEND A LITTLE LESS ON BOOZE AND MORE ON A SOUND CARD


I MEAN REALLY

DOING TRANSFERS WITH A SOUNDCARD THAT IS BUILT INTO THE MOTHER BOARD IS A TOTAL WASTE OF TIME

ITS NO WONDER HE WONT TORRENT HERE
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  #20  
Old 2005-11-06, 11:09 AM
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Re: opinions on this one with dreaded 16 khz stripe

Here's a quick one to show what a cheap soundcard looks like with no input.

To enhance the stripes a bit, I normalized the file by 10% and boosed the high end by 10db. These settings could be used by someone to boost the volume and compensate for missing highs on an old cassette recording.

The moral: not every artifact is from lossy compression. With a little work, I can probably duplicate most waveform distortions.....
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  #21  
Old 2005-11-06, 11:11 AM
mort
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Re: opinions on this one with dreaded 16 khz stripe

Quote:
Originally Posted by showtaper
Here's a quick one to show what a cheap soundcard looks like with no input.
To enhance the stripes a bit, I normalized the file by 10% and boosed the high end by 10db. These settings could be used by someone to boost the volume and compensate for missing highs on an old cassette recording.

The moral: not every artifact is from lossy compression. With a little work, I can probably duplicate most waveform distortions.....


conclusion noise and distortion induced by poor soundcards can appear to be
music but is just noise and distortion !
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  #22  
Old 2005-11-06, 12:08 PM
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Re: opinions on this one with dreaded 16 khz stripe

Quote:
Originally Posted by mort
conclusion noise and distortion induced by poor soundcards can appear to be
music but is just noise and distortion !

Yeah, I just don't like people claiming everything that they see is lossy compression when there are a LOT of other things that show up in a signal.....


Mort, please PM or email me, I think we traded a bunch of Tull shows in the past.....([email protected])
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