In non-tonal languages the consonants are important. Be sure that all peaks survive through the recording chain. When recording, you will find that the peaks of the acoustical signal are much higher than then the RMS or average level. Shouting sounds different from talking with a casual voice.

Even the pitch of the voice changes with vocal effort. By affecting the cavities above the vocal cords (pharyngeal, oral, nasal), filtering is added to the voice spectrum.Ĭhanging the vocal effort changes both level and frequency spectrum of the voice sound. By controlling the vocal cords the level and the pitch of the voice can vary. So when recording the voice, you should always consider speech intelligibility.Īir passes the vocal cords and creates sound. Read more about what different mic placements does to the voice here.