FLAC rip settings

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JWW
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FLAC rip settings

Post by JWW » Wed Oct 02, 2019 11:45 am

I've probably asked this before but can't remember the answer! I'm ripping CD's onto a NAS in FLAC format for streaming and basically want the best quality possible. I've been using default settings until now but I'm questioning the '5' default setting. Don't really know what this does except that '8' is described as 'Best'. Can someone clarify? Should I change the setting to '8'?

Thanks

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Re: FLAC rip settings

Post by JWW » Thu Oct 03, 2019 12:32 pm

Anyone?

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Re: FLAC rip settings

Post by poiko » Thu Oct 03, 2019 1:09 pm

FLAC is lossless. Quality is always bit-to-bit exact.

Compression Level 8 - Best - defines the best compression (smallest file size) (slowest to encode & decode)
Compression Level 5 - Default - is compromise between compression (file size) and speed

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Re: FLAC rip settings

Post by JWW » Thu Oct 03, 2019 1:13 pm

Ah... That's clear. Thanks. Has anything improved over the last couple of years regarding the quality of FLAC rips? I.E. If I rip a CD today that I ripped then would I notice any difference?

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Re: FLAC rip settings

Post by poiko » Thu Oct 03, 2019 1:49 pm

JWW wrote: Thu Oct 03, 2019 1:13 pm Ah... That's clear. Thanks. Has anything improved over the last couple of years regarding the quality of FLAC rips? I.E. If I rip a CD today that I ripped then would I notice any difference?
FLAC is lossless. There is no change in audio quality even if the FLAC compression improves in the future versions. And you can always convert from old FLAC version to new FLAC version with EZ CD Audio Converter, all metadata is preserved during the conversion.

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Re: FLAC rip settings

Post by JWW » Thu Oct 03, 2019 1:52 pm

You mean convert existing rips? Is there any benefit at all in converting to the new FLAC version?

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Re: FLAC rip settings

Post by poiko » Thu Oct 03, 2019 2:35 pm

JWW wrote: Thu Oct 03, 2019 1:52 pm You mean convert existing rips? Is there any benefit at all in converting to the new FLAC version?
Not really. Minor benefit if there is improved compression in the future versions :/

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Re: FLAC rip settings

Post by JWW » Thu Oct 03, 2019 2:38 pm

I'll stick with the rips I have then. Thanks for your help.

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Re: FLAC rip settings

Post by mikeyww » Mon Oct 07, 2019 4:01 am

It looks like the bitrate is always set automatically, and the bitrate varies among files. What determines the bitrate?

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Re: FLAC rip settings

Post by thexfile » Mon Oct 07, 2019 12:25 pm

mikeyww wrote: Mon Oct 07, 2019 4:01 am What determines the bitrate?
Compression.

Less compression the higher bit rates. The higher compression the lower bit rates.

I've ran some rips at "0 Fastest". The music files sounded fine.
Then I ran rips at "8 Best". The music files sounded a little flat.

I've noticed the last two versions of flac it was doing this.
..I'll be damned if I could prove it. :(

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Re: FLAC rip settings

Post by mikeyww » Mon Oct 07, 2019 3:11 pm

Your comment does not make sense unless faulty compression is occurring. FLAC bitrates would not change the music itself. The bitrate is a function of the music and compression. All FLAC files of original music would be identical in sound to the original music, regardless of the bitrate.

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Re: FLAC rip settings

Post by poiko » Mon Oct 07, 2019 4:06 pm

Bitrate is lower when the audio file can be compressed better. It depends of the audio content. Audio content is always the same no matter what compression level is selected or what is the actual bitrate of the file as FLAC is always lossless i.e. bit-exact to original.

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Re: FLAC rip settings

Post by blabibo » Sat Oct 12, 2019 10:54 am

poiko wrote: Thu Oct 03, 2019 2:35 pm
JWW wrote: Thu Oct 03, 2019 1:52 pm You mean convert existing rips? Is there any benefit at all in converting to the new FLAC version?
Not really. Minor benefit if there is improved compression in the future versions :/
From my own experience it is worth converting old Flac files when:

- codec is Flac 1.0.x or 1.1.x, you'll gain a few MB per albums with Flac 1.3.3;
- in some cases it may be worth converting Flac 1.2.1 files because in the "old" days people would use a compression level of 5. If you convert to Flac 1.3.3 level 8 you'll also gain a few MB per album.

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Re: FLAC rip settings

Post by JWW » Sat Oct 12, 2019 11:08 am

blabibo wrote: Sat Oct 12, 2019 10:54 am
poiko wrote: Thu Oct 03, 2019 2:35 pm
JWW wrote: Thu Oct 03, 2019 1:52 pm You mean convert existing rips? Is there any benefit at all in converting to the new FLAC version?
Not really. Minor benefit if there is improved compression in the future versions :/
From my own experience it is worth converting old Flac files when:

- codec is Flac 1.0.x or 1.1.x, you'll gain a few MB per albums with Flac 1.3.3;
- in some cases it may be worth converting Flac 1.2.1 files because in the "old" days people would use a compression level of 5. If you convert to Flac 1.3.3 level 8 you'll also gain a few MB per album.
Space/File size is not an issue for me. I'm only concerned about audio quality and the answer I originally received appears to clarify that there would be no gain.

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