pues... aqui te dejo los comandos :
voice_scale "1"
voice_enable "1"
voice_forcemicrecord "1.000000"
sv_voiceenable "1"
volume "0.5"
suitvolume "0.250000"
hisound "1.000000"
bgmvolume "1.000000"
MP3Volume "0.800000"
voice_modenable "1"
modificalo a tu modo .
salu2. 
