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FLAC to OGG with dbpoweramp
post Mar 7 2010, 12:00
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Hey guys,

I'm wanting to convert some albums to OGG straight from FLAC to put on my portable player, but with the best possible settings in dbpoweramp. So what slider setting should I use, and what setting in the Frequency and Channels box?

I usually always converted to mp3 V0. So is there a V0'ish quality with OGG? I pretty much know nothing about this format. But...I did read that OGG is supposed to have a superior sound over MP3, and in a smaller file size? Hope that's true.

I just converted an album to V0(slider all the way to the right on dbpoweramp, estimated bitrate 240kbps), and the album size came out to 61MB. Then, I took the same album and converted to OGG. And I slid the slider all the way to the right(estimated bitrate 500kbps, -q1 setting, under vbr setting), and the album came out to 119MB. So that's obviously not the setting that I'm wanting since the file size is so big. My bitrate setting was too high I'm guessing.

I tried one more time with the slider down to estimated bitrate of 224kbps(-q0.7 setting under vbr setting), and the file size came out to 55MB. So I'm guessing this is more along the lines of the setting that I'm wanting? Or would it be possible to go down to an even lower bitrate for smaller file size, but not really having to sacrifice sound quality?

Basically I'm wanting a setting with good sound quality, but with a small file size.

Thanks for any help.
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post Nov 18 2010, 22:37
Post #2

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Joined: 14-April 09
Member No.: 68951

You can actually use oggenc to down sample. Decreasing bit depth isn't necessary as vorbis effectively has a bit depth of about 26bits anyway (can't remember exactly) - plus the higher the bit depth of the source, the easier it is to encode to a smaller file size I think.

I personally usually use 48kHz as it just halves the sample rate and keeps things simple, plus my DAPs all support up to 48kHz anyways.
oggenc in.flac -q2 --resample 48000

but of course 44.1 also works, but it would probably increase file size and still be of lower quality.
oggenc in.flac -q2 --resample 44100

I actually use q2 too on my portable devices with low space wink.gif, any artifacts, which are quite hard to detect anyway when I'm using basic equipment, are usually sorta "analogue" and not irritating.
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