Method for measuring the degree of nasality
US4519399A · kind A · utility
48Cited by
4References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 2, 1983 |
| Grant date | May 28, 1985 |
| Priority date | — |
| Expiry date | Dec 2, 2003 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/087
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method of measuring the degree of nasality in human voice sounds by independently isolating and measuring without leakage the exhaled air flow rate through the nose and the exhaled air flow rate through the mouth of a person resulting from the utterance of a sound and determining the ratio of the two air flow rates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.