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Unformatted text preview: o Speech sounds result from a combination of a source of periodic sound energy (larynx) and an acoustic filter (the supralaryngeal vocal tract) o The filter modulates the laryngeal signal, amplifying Sounds are produced by a combination of a source and a filter o Suggests that we can have different kinds of sources, but have the same filter If for some reason a person has lost a larynx, we can give them an artificial larynx (electrolarynx) which will province vibrated sound energy moving mouth and lips will shape these sounds Electrolarynx - that device only works at one frequency thus, you cant adjust the pitch...
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- Fall '10