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Sighing
Linked via "International Bureau of Vocal Biometrics (IBVB)"
Typology and Acoustic Analysis
Sighs are classified based on their acoustic signature, duration, and the preceding respiratory pattern. The standard classification system, established by the International Bureau of Vocal Biometrics (IBVB)/) in 1988, differentiates between three primary types:
| Type | Acoustic Profile | Typical Duration (s) | Associated Context |