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However, more recent mechanical larynxes have demonstrated similar voice production to commercially available electrolarynxes. [4] Electrolarynxes were introduced in the 1940s, at a time when esophageal speech was being promoted as the best course in speech recovery; however, since that technique is difficult to master, the electrolarynx became ...
The larynx (plural larynges), colloquially known as the voice box, an organ in the neck of land vertebrates involved in protection of the trachea and (in some of them) sound production and vibration of the larynx; A mechanical larynx, used by people who have lost their voice box due to disease or smoking-associated ailments of the mouth and the ...
The larynx (/ ˈ l æ r ɪ ŋ k s /), commonly called the voice box, is an organ in the top of the neck involved in breathing, producing sound and protecting the trachea against food aspiration. The opening of larynx into pharynx known as the laryngeal inlet is about 4–5 centimeters in diameter . [ 1 ]
Fig 7 Le Telephone by T du Moncel Paris 1880 (Large) A tin can phone is a type of acoustic (non-electrical) speech-transmitting device made up of two tin cans, paper cups or similarly shaped items attached to either end of a taut string or wire.
A Simplex-brand fire alarm bell. A fire alarm notification appliance is an active fire protection component of a fire alarm system.A notification appliance may use audible, visible, or other stimuli to alert the occupants of a fire or other emergency condition requiring action.
A replica of Kempelen's speaking machine, built 2007–09 at the Department of Phonetics, Saarland University, Saarbrücken, Germany Wolfgang von Kempelen's speaking machine is a manually operated speech synthesizer that began development in 1769, by Austro-Hungarian author and inventor Wolfgang von Kempelen.
The voice coil in moving coil drivers is suspended in a magnetic field provided by the loudspeaker magnet structure. As electric current flows through the voice coil (from an electronic amplifier ), the magnetic field created by the coil reacts against the magnet's fixed field and moves the voice coil (and so the cone).
A voice prosthesis (plural prostheses) is an artificial device, usually made of silicone that is used in conjunction with voice therapy to help laryngectomized patients to speak. During a total laryngectomy, the entire voice box is removed and the windpipe and food pipe are separated from each other. During this operation an opening between the ...
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