phonation vs stereo

phonation

noun
  • The process of producing vocal sound by the vibration of the vocal folds that is in turn modified by the resonance of the vocal tract. 

stereo

noun
  • A system of recording or reproducing sound that uses two channels, each playing a portion of the original sound in such a way as to create the illusion of locating the sound at a particular position, each offset from the other, thereby more accurately imitating the location of the original sound when the recorded or reproduced sound is heard. 

  • Any object or device equipped with audio components that reproduces sound in stereo, such as a stereo console in the home. 

  • genre of Western-style pop and rock music 

  • A stereotype. 

verb
  • To create a stereophotographic image of. 

adj
  • Of a pair of images: one depicting the view as would be seen from one eye and the other from the other eye, so that when viewed appropriately, they combine to give an impression of three dimensions. 

  • Of sound, music, etc, recorded in stereo. 

How often have the words phonation and stereo occurred in a corpus of books? (source: Google Ngram Viewer )