A little while ago I downloaded a CD quality CD's worth of music (Sarah Janosz) from Quobuz. Once on my hard drive I deleted the "folder" (image of Janosz) from the list of tracks, uploaded the files to JRiver and was interested to see upon opening the file in JRiver that the "folder" image was still active and came up as the usual jpeg in JRiver where it acted as the visual header for the group of files. It would appear to a layman such as myself that this file is permanently embedded in the download even if "deleted." Any ideas on how to really and truly remove it before burning a CD of the tracks?
Why do Wav and Flac Files Sound Different?
This article is from 2016, so outfits like JRiver may have developed workarounds for the metadata/sound quality issues sussed out below. Inquiring minds want to know.
Why Do WAV And FLAC Files Sound Different?
"Based on these results, we attempted to pinpoint which section of the metadata might be responsible. Since the cover art file associated with the metadata is the largest contributor to the metadata header size, we began by examining the effect of deleting cover art prior to the WAV-to-FLAC-to-WAV conversion protocol. This proved fortuitous, as our first suspicion proved correct."
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@bolong You can have the image "embedded" in each track as FLAC allows it, in fact you can put a different image in each track of a "disc". If you try any tagger (I use Tag Editor) you will see that and you can also delete the image for each track if you want. When you use a program like JRiver, Audirvana, Roon, ..... to play the files they can work in two ways: choosing the "folder / disc" image over the track image or the contrary. If one the images is missing, they will choose the one that exists. And if there is no one, no image will appear. Regarding your question: if you burn your CD (physical disc) as a real CD the tracks are transcoded to WAV and the images are not included in the process. |
@aldnorab You are opening another big and old discussion. On one side, when hard disk space was not such a a commodity as it is today, people tried to reduce the size of the music files as much as possible. That implies the use of algorithms to "fold" them. But also implies the use of algorithms to "unfold" them just in the fly while or just before being played. This implies the use of processing capacity of the computer ant that means noise. Again, in the "old" times, this operation could demand a slightly significative "effort" for the computer. Today you can say that this "noise" is absolutely negligible. It will depend on your computer (streamer, server or whatever) If you are curious, play the same file / track as FLAC level 0 and level 8 and trust your ears: I think you can use any transcoder to do ver both FLAC files. And my advice: once you have tested this in YOUR equipment and with YOUR ears, forget it: there will always be people saying that they hear the difference in their equipment and there will always be people saying that with the computer of such equipment is "scientifically" imposible to feel any difference. |
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