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Yes, it's possible, you just need to play around with the settings:
- In the 'Conversion Options' screen there are 2 tabs 'Simple' and 'Detailed'
- Select 'Detailed'
- Set 'Output format' to 'mp3' and 'Use Plugin' to 'lame'
- Set 'Preset' to 'User defined'
- If you set 'Mode' to 'Quality' you will see that 'Bitrate mode' is automatically fixed to 'Variable'
- Use the slider to set the quality (smaller number=higher quality)
- If you set 'Mode' to 'Bitrate' you can set 'Bitrate mode' to 'Average' or 'Constant'
- Use the slider to set the bitrate
There is probably more to it than that but this meets my needs so I haven't bothered experimenting.
If this doesn't work for you an alternative is WinFF which is a GUI for ffmpeg. Again you should find it in the repositories and although it's primarily designed for video I (think) it works just as well converting audio. There may be options for VBR.
I'll have to double check when I get home but I remember only seeing ffmpeg as the only pluggin option in the pull down in the detailed tab for mp3. Do I have to do something to have lame as an option or maybe I missed something?
Awesome sauce! You are right, once I installed lame it was available in the pluggin list! I just need to figure out how that quality slider number relates to the encoding and im set!
I was reading up on lame vbr settings and quality of v0 equals floor 220, target of 245 and ceiling of260. I noticed in the soundKonvertor there is an additional arguments setting and was wondering if it is possible to manually set the target, floor and ceiling values?
I don't think so, soundKonverter is just a front-end and as such is constrained by the defaults offered by lame. There is a discussion someone had with the developer of soundKonverter here (but I don' think it will help you):
The best quality (I believe) that lame can deliver is CBR 320 in which case use the preset setting of 'insane'.
It may be that ffmpeg provides more control over the quality settings though I suspect it also uses lame, but you may want to look into that as an alternative.
I did a V0 VBR conversion and looked at the bit rate in VLC as a song played. It seems to fluctuate between 230 and 310. Perhaps there is something I do not fully understand how the settings work. Sounded good and saved 3 megs off the song compared to a 320 CBR version.
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