mbrola -e ./hn1w4 TEST/s132.pho s132.wav
-f freq_ratio (0.2~8) 1 Frequency ratio. Float ratio applied to pitch points. -t time_ratio (0.2~8) 1 Time ratio. Float ratio applied to phone durations. -l voice_freq (8000~32000) 16000 Voice frequency. Target frequency for voice quality in Hz.