Skip to main content
. Author manuscript; available in PMC: 2019 Jul 11.
Published in final edited form as: J Acoust Soc Am. 2005 Jul;118(1):410–427. doi: 10.1121/1.1862251

FIG. 5.

FIG. 5

Treatment of acoustic effect of vocal-tract terminations as the superposition of image sources. Sound field in pipe of length L is equivalent to that due to the real source S, located at x=y, and its images, placed in an infinite pipe as shown. Note that the image sources shown are only the first few of the infinite series given in Eq. (9).