It could be many factors. Make sure that the program playing the DVD is outputting the sound to the same device you're using (sound card, headphones, whatever). Make sure that the program's volume, the operating system's volume, and the device's volume are all at reasonable levels. Make sure that your sound card has the correct drivers installed. Make sure your playback device is plugged in and powered on!
You should probably get your ears checked
check your spekers or your computer.
no, but when you put the video on your computer you can hear it.(: i have a C913 and this is what mine does.
Umm, I Hear VoiceS?
because youre the devil
you hear voices
The voices are transmitted via radio.
schizophrenia
Cos they have ears
If you are playing the English version of the game, it is impossible for the voices to be heard due to a cutback of the English versions release. However, if you own the Japanese version, the voices should be defaulted so you can hear them, but they will not be in English and neither will the subtitles.
randy orton's ring tune is : voices or I hear voices
Check whether your speakers are connected to your default soundcard.