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phonetics Phonetics is a branch of linguistics that studies how humans produce and perceive sounds, or in the case of sign languages, the equivalent aspects of sign. Linguists who specialize in studying the physical properties of speech are phoneticians. ...
, denasalization is the loss of nasal airflow in a nasal sound, such as a
nasal consonant In phonetics, a nasal, also called a nasal occlusive or nasal stop in contrast with an oral stop or nasalized consonant, is an occlusive consonant produced with a lowered velum, allowing air to escape freely through the nose. The vast majorit ...
or a
nasal vowel A nasal vowel is a vowel that is produced with a lowering of the soft palate (or velum) so that the air flow escapes through the nose and the mouth simultaneously, as in the French vowel or Amoy []. By contrast, oral vowels are produced wit ...
. That may be due to speech pathology but also occurs when the paranasal sinus, sinuses are blocked from a common cold, when it is called a
nasal voice A nasal voice is a type of speaking voice characterized by speech with a "nasal" quality. It can also occur naturally because of genetic variation. Nasal speech can be divided into hypo-nasal and hyper-nasal. Hyponasal speech Hyponasal speech, ...
, which is not a linguistic term. Acoustically, it is the "absence of the expected nasal resonance."Martin Duckworth, George Allen, William Hardcastle & Martin Ball (1990
‘Extensions to the International Phonetic Alphabet for the transcription of atypical speech.’
Clinical Linguistics & Phonetics 4: 4, p. 276.
The symbol in the
Extended IPA The Extensions to the International Phonetic Alphabet for Disordered Speech, commonly abbreviated extIPA , are a set of letters and diacritics devised by the International Clinical Phonetics and Linguistics Association to augment the Internatio ...
is . When one speaks with a cold, the
nasal passages The human nose is the most protruding part of the face. It bears the nostrils and is the first organ of the respiratory system. It is also the principal organ in the olfactory system. The shape of the nose is determined by the nasal bones ...
still function as a resonant cavity so a denasalized nasal does not sound like a voiced oral stop , and a denasalized vowel does not sound like an oral vowel . However, there are cases of historical or allophonic denasalization that have produced oral stops. In some languages with nasal vowels, such as Paicĩ, nasal consonants may occur only before nasal vowels; before oral vowels,
prenasalized stop Prenasalized consonants are phonetic sequences of a nasal and an obstruent (or occasionally a non-nasal sonorant such as ) that behave phonologically like single consonants. The primary reason for considering them to be single consonants, rather ...
s are found. That allophonic variation is likely to be from a historical process of partial denasalization. Similarly, several languages around
Puget Sound Puget Sound ( ) is a sound of the Pacific Northwest, an inlet of the Pacific Ocean, and part of the Salish Sea. It is located along the northwestern coast of the U.S. state of Washington. It is a complex estuarine system of interconnected ma ...
underwent a process of denasalization about 100 years ago. Except in special
speech register In sociolinguistics, a register is a variety of language used for a particular purpose or in a particular communicative situation. For example, when speaking officially or in a public setting, an English speaker may be more likely to follow pres ...
s, such as
baby talk Baby talk is a type of speech associated with an older person speaking to a child or infant. It is also called caretaker speech, infant-directed speech (IDS), child-directed speech (CDS), child-directed language (CDL), caregiver register, parent ...
, the nasals became the voiced stops . It appears from historical records that there was an intermediate stage in which the stops were prenasalized stops or poststopped nasals . Something similar has occurred with word-initial nasals in
Korean Korean may refer to: People and culture * Koreans, ethnic group originating in the Korean Peninsula * Korean cuisine * Korean culture * Korean language **Korean alphabet, known as Hangul or Chosŏn'gŭl **Korean dialects and the Jeju language ** ...
; in some contexts, are denasalized to . The process is sometimes represented with the IPA and , which simply places the IPA denasalization diacritic on and to show the underlying phoneme. In speech pathology, practice varies in whether is a partially denasalized , with for full denasalization, or is a target whether partially denasalized or a fully denasalized .Anette Lohmander (2011) ''Cleft Palate Speech: Assessment and Intervention'', §7.5.2


See also

*
Nasalization In phonetics, nasalization (or nasalisation) is the production of a sound while the velum is lowered, so that some air escapes through the nose during the production of the sound by the mouth. An archetypal nasal sound is . In the Internationa ...
*
Hypernasal speech Hypernasal speech is a disorder that causes abnormal resonance in a human's voice due to increased airflow through the nose during speech. It is caused by an open nasal cavity resulting from an incomplete closure of the soft palate and/or velophar ...


References

{{reflist Phonetics Nasalization