Customer Review

70 of 76 people found the following review helpful
3.0 out of 5 stars Great compilation but partially sourced from MP3, 1 Oct 2009
This review is from: Essential Blues Anthology (Audio CD)
This is a great compilation of some of the best 50's post-Depression blues records, so there ain't any of the very early blues records included here, and no Robert Johnson, despite of beeing named on the cover. The liner notes from Michael Heatley are brief but informative.
There is one serious issue to this compilation however. I noticed some of the typical MP3 artefacts on one of the first tracks of CD 2 and according to a quick analysis of the waveforms at least some of the tracks from the second disc are sourced from MP3s. So be aware of that.
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Tracked by 3 customers

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Showing 1-5 of 5 posts in this discussion
Initial post: 30 Oct 2010 14:03:37 BDT
Good review but what do you mean by "typical MP3 artefacts"? I have some MP3 downloads (from Amazon) and they sound ok to me. I mean no offense here - I just want to learn something.
Thanks and best wishes

In reply to an earlier post on 21 Mar 2011 09:16:05 GMT
Dr. Mabuse says:
Compression artifacts occur in many common media such as DVDs, common computer file formats such as JPEG, MP3, or MPEG files. A compression artifact (or artefact) is a noticeable distortion of media (audio for instance) due to the application of an overly aggressive or inappropriate lossy data compression algorithm.

Lossy data compression schemes discard some data to simplify the media sufficiently to store it in the desired space (data-rate) - if there is not enough data in the compressed version to reproduce the original with acceptable fidelity, artifacts will result. Alternatively, the compression algorithm may incorrectly determine certain distortions to be of little subjective importance, but they may in fact be objectionable to the viewer/listener.

In reply to an earlier post on 13 May 2011 13:48:29 BDT
I am no expert but this is why playing a 1960s 'thick' vinyl, especially in a confined space (like a converted loft - as I did) on a bog standard hi-fi gives a rich, smooth sound EVEN with the 'crackly' bits from scratches.

In reply to an earlier post on 26 Sep 2012 23:40:43 BDT
Mark Twain says:
MP3s are okay, but if you were to create an audio CD from them, and then rip the CD you'd be losing quality, like a photocopy of a photocopy.

Copying MP3s works as it's a direct digital copy, and therefore identical. Ripping an audio CD samples the track, so it is not the same process. The newly ripped track will not be digitally identical to the source MP3.

In reply to an earlier post on 26 Jul 2013 15:05:47 BDT
Last edited by the author on 26 Jul 2013 15:07:24 BDT
GlynLuke says:
Dr Mabuse - are you joking? I understood not one word of that. `Lossy`...? `Artifacts will result`!
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Tim Graf
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