Change the mp3 bitrate for ripping in K3b

I’ve been using K3b successfully (it’s currently at version 2.0.3-r1 in Gentoo Linux) to rip Audio CDs to mp3 files, but despite changing the bitrate to 192 kbps in the ‘K3b Lame Mp3 Encoder’ plugin settings, K3b was still ripping mp3 files at 128 kbps. I found out that I needed to make another change too.

The default bitrate for ripped mp3 tracks is 128 kbps in K3b. To use a different bitrate, I needed to do the following:

1. ‘Settings’ > ‘Configure K3b…’

2. Click on ‘Plugins’

3. Click on the spanner next to ‘K3b Lame Mp3 Encoder’, and change the bitrate on the Settings tab to 192 (or whatever you want). However, this alone does not have any effect, so also click on the spanner next to ‘K3b External Audio Encoder’, click on ‘Mp3 (Lame)’ in the list of ‘Configured Encoders’, click on ‘Edit’ and insert ‘-b 192‘ (or whatever bitrate you want) in the list of lame options, like so:

lame -r --bitwidth 16 --little-endian -b 192 -s 44.1 -h --tt %t --ta %a --tl %m --ty %y --tc %c --tn %n - %f

Here’s what happens before I added the ‘-b 192‘ to the settings for ‘Mp3 (Lame)’ in ‘K3b External Audio Encoder’:

$ file 01\ -\ Meu\ Bem\ Querer.mp3
01 - Meu Bem Querer.mp3: Audio file with ID3 version 2.3.0, contains: MPEG ADTS, layer III, v1, 128 kbps, 44.1 kHz, JntStereo

And after adding the ‘-b 192‘ to the settings for ‘Mp3 (Lame)’ in ‘K3b External Audio Encoder’:

$ file 01\ -\ Meu\ Bem\ Querer.mp3
01 - Meu Bem Querer.mp3: Audio file with ID3 version 2.3.0, contains: MPEG ADTS, layer III, v1, 192 kbps, 44.1 kHz, JntStereo

Notice the bit rate of the file has changed.

About Fitzcarraldo
A Linux user with an interest in all things technical.

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