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Old 6th February 2014, 04:03 AM   #21
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fas,
Didn't you say that your "system" uses PC speakers or did I misconstrue a post in a different thread?
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Old 6th February 2014, 04:28 AM   #22
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At the moment I'm using just a desktop PC, with old Harman plastic monitor speakers for doing these exercises. These are good enough for the comparisons, though they have zero bass below 100Hz and limited maximum average volumes, because of the size of their inbuilt power supplies.
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Old 6th February 2014, 06:16 AM   #23
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Quote:
Originally Posted by fas42 View Post
Actually, I'm running the track on repeat, and the more I listen to it the better I feel it is for testing, the high frequency and low level content is near ideal for sorting out the finer aspects - you should be able to run this at deafening levels, and get more out of it each time ...
Great I'm not 100% sure but I suspected I could hear " tape breakthrough" on this one at the beginning. Whatever, its on the master.
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Old 6th February 2014, 06:32 AM   #24
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Originally Posted by 5th element View Post
One thing I'd point out Mooley, is that your track is apparently 48kHz, which clearly isn't native to the CD it is on. Maybe this is why you're getting a spike at high frequencies, if some processing somewhere is going on.
The spike is odd and I have no answer to that. All I could prove was that it appeared on the Supertramp disc only. Other discs didn't show any hint of it.

However... if I record "silence" on an old Acer laptop I see the same spike (but at much higher amplitude). That the numbers (the 19.2kHz) are the "same" and that the original CD when ripped (so no A/D) shows this "same" frequency is bizarre to me.
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Old 6th February 2014, 06:48 AM   #25
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These 15.625kHz or 19kHz spectral lines sometimes appear even at professional recordings, CDs etc. It indicates to EMI technical problem, somewhere in the recording - mastering chain.
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Old 6th February 2014, 06:53 AM   #26
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Thanks Pavel. 15625Hz I'm very familiar with
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Old 6th February 2014, 07:04 AM   #27
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At the moment I'm using just a desktop PC, with old Harman plastic monitor speakers for doing these exercises. These are good enough for the comparisons, though they have zero bass below 100Hz and limited maximum average volumes, because of the size of their inbuilt power supplies.
Shakes head in disbelief!
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Old 6th February 2014, 07:23 AM   #28
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That's our Frankie
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Old 6th February 2014, 07:59 AM   #29
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Jay's not using anything dramatically better, much of the time. There's quite a bit of history, for me, of having fiddled in various areas to optimise small things, which all count - I know precisely what I need to do get a certain standard of sound out of the gear; a procedure to follow each time. If I was sloppy with it, like a normal user would be with computer sound, then it would sound terrible, just like the normal stuff does.

A lot of learning, into finessing what is at hand has occurred over the years - plus, I've learnt to listen deep into the sound, the approach can make all the difference.
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Old 6th February 2014, 08:24 AM   #30
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Sorry, the listening results have not been consistent at all. Just impressions, unsupported
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