RATE
RATE, PITCH, VOL, TONE, PUNCT, VOICE, FREQUENCY, LANG,
#define RATE(x) ((x) & 0xF)
#define RATE(_bitrate, _hw_rate, _flags) { \
#define RATE(_bitrate, _hw_rate, _txpidx, _flags) { \
#undef RATE
#define RATE(_bitrate, _hw_rate, _flags) { \
#define RATE(rate100m, _flags) { \