secondo passaggio  "The second passage"; the second register change perceived in a voice singer's formant  A high spectrum peak occurring between about 2.3 and 3.5 kHz (hertz is a synonym for one cycle per second, named after the physicist Heinrich Hertz) in voiced sounds in Western opera and concert singing. This acoustic phenomenon is associated with "ring" in a voice, and with the voices ability to project over background sounds such as a choir or an orchestra. A similar phenomenon may be seen in speaking voices, especially in actors. It is known as the speaker's formant sinusitis  Infection of the paranasal sinus cavities spasmodic dysphonia A focal dystonia involving the larynx. May be of adductor, abductor, or mixed type.  Adductor spasmodic dysphonia is characterized by strain-strangled interruptions in phonation. Abductor spasmodic dysphonia is characterized by breathy interruptions speech-language pathologist  A professional skilled in the remediation of speaking voice disorders stroboscopy  A technique that uses interrupted light to simulate slow motion. (See also Strobovideolaryngoscopy) Strohbass German for straw bass; another term for vocal fry

strobovideolaryngoscopy  Evaluation of the vocal folds utilizing simulated slow motion for detailed viewing of vocal fold motion subglottal  Below the glottis subglottic  The region immediately below the level of the vocal folds support  Commonly used to refer to the power source of the voice. It includes the mechanism responsible for creating a vector force that results in efficient subglottic pressure. This includes the muscles of the abdomen and back, as well as the thorax and lungs; primarily the expiratory system supraglottic  Above the level of the vocal folds.  This region includes the resonance system of the vocal tract, including the pharynx, oral cavity, nose, and related structures suprahyoid muscle group  One of the two extrinsic muscle groups. Includes the stylohyoid muscle, anterior and posterior bellies of the digastric muscle, geniohyoid, hyoglossus, and mylohyoid muscles synovial joint  Joint enclosed in a membranous capsule containing lubricating fluid. There is one which connects the cricoid cartilage to the arytenoids cartilages