[speex]
quality => 3           ; In ABR mode, this setting does not matter
complexity => 4        ; complexity => 4 seems to be a good balance between CPU and sound quality
enhancement => true
vad => false           ; In ABR mode, this setting does not matter
vbr => false           ; In ABR mode, this setting does not matter
abr => 11000           ; If 11000 is too much bandwidth, then 8000 would be the next step down.
vbr_quality => 7       ; Setting the vbr_quality high (e.g. 10) seems to have at most negligible
                       ;   effect on CPU usage in ABR mode.
dtx => false