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Chest voice is a term used within vocal music. The use of this term varies widely within vocal pedagogical circles and there is currently no one consistent opinion among vocal music professionals in regard to this term. Chest voice can be used in relation to the following: * A particular part of the vocal range or type of vocal register * A vocal resonance area * A specific vocal timbre ==History== The first recorded mention of the term chest voice was around the 13th century, when it was distinguished from the throat and the head voice (pectoris, guttoris, capitis -- at this time it is likely head voice referred to the falsetto register) by the writers Johannes de Garlandia and Jerome of Moravia.〔''The New Grove Dictionary of Music & Musicians''. Edited by Stanley Sadie, ''Volume 6. Edmund to Fryklund''. ISBN 1-56159-174-2, Copyright Macmillan 1980.〕 The term was later redefined during the bel canto period when it was identified as the lowest of three vocal registers: the chest, passaggio and head registers. This approach is still taught by some vocal pedagogists today. However as knowledge of human physiology has increased over the past two hundred years, so has the understanding of the physical process of singing and vocal production. As a result, many vocal pedagogists have redefined or even abandoned the use of the term chest voice.〔 In particular, the use of the term chest register has become controversial since vocal registration is more commonly seen today as a product of laryngeal function that is unrelated to the physiology of the chest and lungs. For this reason, many vocal pedagogists argue that it is meaningless to speak of registers being produced in the chest. The vibratory sensations which are felt in these areas are resonance phenomena and should be described in terms related to vocal resonance, not to registers. These vocal pedagogists prefer the term "chest voice" over the term "chest register". These vocal pedagogists also hold that many of the problems which people identify as register problems are really problems of resonance adjustment. This helps to explain the controversy over this terminology. Also, the term chest register is not used within speech pathology and is not one of the four main vocal registers identified by speech pathologists. For the purposes of this article, the term "chest voice" is adopted as it is less controversial.〔 The contemporary use of the term chest voice often refers to a specific kind of vocal coloration or vocal timbre. In classical singing, its use is limited entirely to the lower part of the modal register or normal voice. Chest timbre can add a wonderful array of sounds to a singers vocal interpretive palette. The introduction of chest timbre is common to singers trained in the historic Italian school, but largely shunned among singers who have emerged from the Nordic/Germanic tradition. Such approval or disapproval is largely an aesthetic decision. However, the use of overly strong chest voice in the higher registers in an attempt to hit higher notes in the chest can lead to forcing. Forcing can lead consequently to vocal deterioration.〔''The Oxford Dictionary of Opera''. John Warrack and Ewan West, ISBN 0-19-869164-5〕 ==Physiological process== As the opinions on what exactly chest voice is vary greatly, there is no one consensus on the physiological production of chest voice. However there is a developing body of scientific knowledge regarding the production of various definitions of chest voice: 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Chest voice」の詳細全文を読む スポンサード リンク
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