Additional bitrate options for exporting mp3

[quinncomendant]

AudioMass is an excellent project, and works well for editing podcast audio. However, for voice-only podcasts, I want to be able to export in lower-quality mp3 bitrates. I commonly use 64 Kbps and 96 Kbps, but why not offer the full range of options:

• 32 Kbps
• 48 Kbps
• 64 Kbps
• 96 Kbps
• 128 Kbps
• 160 Kbps
• 192 Kbps
• 256 Kbps
• 320 Kbps

Thanks!