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NNTP-Posting-Date: Sun, 29 Oct 2017 13:03:35 -0500
From: curious...
Newsgroups: alt.binaries.sounds.lossless.24bit
Subject: Re: Uncle Phil's Posts Are Upconverted CDs
Date: Sun, 29 Oct 2017 12:03:35 -0600
Message-ID: <er5cvc96ad42mhv2f7pl7k9k1rh1afc58n@4ax.com>
References: <_oeJB.24800$d8.8798@fx11.am4> <naqbvcdljoaiahle0akbku7blnl4a62bmh@4ax.com>
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why no response from Uncle Phil on what he's doing?
On Sun, 29 Oct 2017 09:46:00 -0500, Puffer Belly
<anonymous@anonymous.org> wrote:
>I looked at the spectrogram with Audacity for one of the files and see
>the artifacts now. Thanks for the tip.
>
>
>On Sun, 29 Oct 2017 06:18:34 GMT, John Doe <john.doe@myemail.com>
>wrote:
>
>>On Sat, 28 Oct 2017 14:37:18 GMT, "Puffer Belly" wrote:
>>
>>> There are no known hi-res sources for many of Uncle Phil's posts. I've
>>> downloaded a few dozen of his posts (various files, not whole albums)
>>> and checked the frequency spectrums with Audacity. All show a
>>> brickwall filter was used at 20 kHz, which means these posts are
>>> upconverted CDs (16 bits/44.1 kHz). There's nothing wrong with that
>>> as long as you know what you are getting, which are very large files
>>> of CD resolution music.
>>>
>>> If these posts had been ripped from analog sources (vinyl or tape), in
>>> case you were wondering, then there would be frequency content out to
>>> 30 kHz or higher and the roll off would be gradual, not a brickwall
>>> shape.
>>>
>>> Regards,
>>> PB
>>
>>They are not even CD sourced. I loaded the Dean Martin Volare Collection. Load then in to Sonic Visualiser and clearly from MP3. You can see all the nonsense that mp3 make up above 15Khz.
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