Acoustic diversity in perceptual roughness in voice and its vocalization mechanism.

Acoustic diversity in perceptual roughness in voice and its vocalization mechanism. - Perceptual roughness: diversity and mechanism.

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000044548

Enrollment

330

Registered

2021-06-15

Start date

2021-07-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

voice disorder

Interventions

High-speed laryngeal imaging, electroglottogram, voice recording, and expiratory flow measurement during vocalization

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Voice disorder patients with a perceptually hoarse voice 2) Healthy individuals without hoarseness. Cases of the above whose age is 20 years or older and whose consent to participate in the study have been obtained.

Exclusion criteria

Exclusion criteria: Patients who meet any of the following conditions will be excluded. 1) Women who are pregnant or may become pregnant 2) Cases of hoarseness due to acute inflammation 3) Patients/healthy people who have difficulty in giving their own consent for research 4) Other patients/healthy people who are judged by the doctor in charge to be inappropriate to participate in this study

Design outcomes

Primary

Measure	Time frame
Relationship between acoustical features and laryngeal high-speed imaging findings	—

Countries

Japan

Contacts

Public ContactKiyohito Hosokawa

The University of Osaka Graduate School of Medicine Department of otorhinolaryngology-head and neck surgery

khosokawa@ent.med.osaka-u.ac.jp06-6879-3951

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026