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jimct
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| Posted: 23 January 2008 at 11:06am | IP Logged
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My commercial 45 has a listed time of (3:45), but an actual time of (3:49).
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NightAire
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| Posted: 11 September 2023 at 9:16pm | IP Logged
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It's interesting to me to note that a number of the releases of the LP version of this song appear to either have a high frequency roll-off, or noise reduction applied. You can look at the spectral Frequency Display and see the highs start to dip around 14 kHz, and they appear almost gone at 16 kHz.
Others appear to extend their frequency response out to 20 kHz, but there's a "noise band" around 20 kHz that suggests perhaps some dithering... not necessarily a bad thing, just something I noticed.
The two best "looking" copies seem to be Rhino's Hard Rockin' Hits Vol. 6, and a 2004 compilation apparently released only outside the United States called "Collections."My preference is the "Collections" version, as the EQ seems a bit smoother... so much so that at first I thought it might have been a remix. Both go out to 20 kHz, and the "Collections" version goes smoothly up to 22.05 kHz, suggesting modern mastering.
None of the copies I have of the LP version are truly "crushed" like so many digital remasters. Even the remastered versions of the original LP, while having digital limiting applied, are only slightly denser than the most dynamic copies... and the two I mentioned above appear to have no limiting at all applied.
While you can't determine the sound quality of a file solely by looking at the file's stats, I think information can be useful in determining what was (or wasn't done) to a recording. I'll admit that a copy could have a strong frequency response out to 22 kHz because it's a high generation tape with tons of hiss. :-)
I'd love to hear others' experiences with this track.
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crapfromthepast
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| Posted: 12 September 2023 at 6:48am | IP Logged
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Gene - I took a look at a few files in Audacity ("spectrogram" feature in top-left box for the track).
I think that the feature you're describing is just how the song was recorded - an EQ choice by the original producer.
I compared two versions that most definitely have added noise reduction (Priority's Three Decades Of Rock and Priority's Seventies Greatest Rock Hits Vol. 7 Rough And Rowdy) to one that most definitely does not have added noise reduction (Rhino's Hard Rockin' Hits Vol. 6). The spectrograms look basically the same. If I block out the track names, I wouldn't be able to tell which is which, just based on the spectrograms. All of the spectrograms tail off around 15 kHz, but all have some bits that go out to the maximum scale (22.05 kHz).
If you're trying to see if a particular mastering has added noise reduction, I'd recommend listening to the fade at a really loud volume. (I max it out at +36 dB in Audacity.) If the EQ remains the same (meaning that you can still hear the hi-hat and other cymbals), then it's probably safe to say that the mastering doesn't have added noise reduction. If the high end disappears on the fade (the cymbals disappear before the other instruments), then the mastering probably adds noise reduction.
Try listening to the fades on the Rhino disc vs. one of the Priority discs. Once you know what to listen for, it's a really valuable tool.
Edited by crapfromthepast on 12 September 2023 at 6:49am
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EdisonLite
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| Posted: 13 September 2023 at 3:53pm | IP Logged
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Does the single edit (by chance) go to the top of the spectrum? Though I think
it was just edited down, if different master tapes were used for CD sources, I
suppose it's possible.
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crapfromthepast
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| Posted: 13 September 2023 at 7:38pm | IP Logged
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The single edit on Rock The Train Kept A Rollin' and Sounds Of The Seventies Vol. 18 1976 Take Two both have basically the same spectrum as the LP version.
It's mostly below 15 kHz, but there are some bits that go out to the maximum scale (22.05 kHz).
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sriv94
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| Posted: 14 September 2023 at 10:27am | IP Logged
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Maybe that's why it needed more cowbell.
/Somebody was gonna have to go there. :)
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Topic: Blue Oyster Cult-(Don’t Fear) The Reaper
