More > JRiver Media Center 23 for Windows
FLAC compression levels question(s)
JimH:
--- Quote from: FenceFurniture on August 09, 2019, 12:17:47 am ---The flac files this other fella has are all much more compressed. Usually around half the size of mine for any given album.
--- End quote ---
There's probably a mistake somewhere. The range of FLAC compression size is around 5%.
Have you looked at the cost of hard disks?
1 TB 2.5" about $50 at Amazon
6 TB 3.5" about $110
1 TB stores about 3,000 CD's or 30,000 FLAC files.
Hendrik:
The amount of compression you can achieve also highly depends on the complexity of the music. We've seen some classical piano music that compressed really well, to such sizes that we thought something might be wrong, while other types of music won't really compress well at all. The fate of lossless compression, you highly depend on the content.
FenceFurniture:
--- Quote from: JimH on August 09, 2019, 06:32:38 am ---There's probably a mistake somewhere. The range of FLAC compression size is around 5%.
--- End quote ---
Yes that's what I found when I tried compressing using MC after ripping, but when I re-ripped the same CD at compression 5 using dbP it was a much bigger compression, as I posted in the results a little earlier. The other fella was also using dbP to rip (at level 5).
External storage is fine and cheap, but I am trying to find a solution that will obviate an external drive, and also (more importantly) fit onto a micro SD card. Just the SACD files alone will probably suck up 256Gb. This is for the DAP that I use.
Smilin_Jim:
There is one good reason not to go with the above suggestions. Some devices, like my 2019 Acura RDX, need the compression level set to 0 in order to read the file correctly. As far as it is concerned, anything other than 0 is unreadable. 0 is true heaven.
The JRiver MC23 documentation relates this setting to "quality." It is not. It is just how aggressive FLAC is at trying to reduce file size. The output of all compression levels should be a lossless file, all should decompress to exactly the same output.
Note to anyone that decides to test this, as with any complex calculation, getting results from running a compression/decompression that vary by a few bytes from one pass to another doesn't necessarily mean the music changed.
JimH:
--- Quote from: Smilin_Jim on August 19, 2019, 01:13:02 pm ---The JRiver MC23 documentation relates this setting to "quality." It is not. It is just how aggressive FLAC is at trying to reduce file size. The output of all compression levels should be a lossless file, all should decompress to exactly the same output.
--- End quote ---
Where did you see that? You're correct. It isn't a quality setting.
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