+// The limits have been empirically determined through testing. Max bitrates
+// in table below. Numbers in parenthesis are the target bitrate chosen.
+/*
+Encoder 1 channel 2 channels 6 channels
+
+faac
+24kHz 86 (128) 173 (256) 460 (768)
+48kHz 152 (160) 304 (320) 759 (768)
+
+Vorbis
+24kHz 97 (80) 177 (160) 527 (512)
+48kHz 241 (224) 465 (448) 783 (768)
+
+Lame
+24kHz 146 (768) 138 (768)
+48kHz 318 (768) 318 (768)
+
+ffac3
+24kHz 318 (320) 318 (320) 318 (320)
+48kHz 636 (640) 636 (640) 636 (640)
+
+Core Audio (core audio api provides range of allowed bitrates)
+24kHz 16-64 32-128 80-320
+44.1kHz 64-320 160-768
+48kHz 32-256 64-320 160-768
+
+Core Audio (minimum limits found in testing)
+24kHz 16 32 96
+44.1kHz 32 64 160
+48kHz 40 80 240
+*/
+