Prospective observational study with voice analysis of healthy adults

Prospective observational study with voice analysis of healthy adults - voice analysis of healthy adults

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000019663

Enrollment

200

Registered

2015-11-06

Start date

2015-07-16

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

healthy adults

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: The volunteers who have wish to join the study and have no laryngeal disease.

Exclusion criteria

Exclusion criteria: A person has laryngeal disease history. A person has neurological diseases or breathing problems. A person has psychiatric diseases. A women during pregnancy or having possibility of pregnancy.

Design outcomes

Primary

Measure	Time frame
pitch of voice	—

Secondary

Measure	Time frame
loudness of voice, pressure of subglottis, maximum phonation time, mean air flow rate, vocal efficiency, phonetic quality	—

Countries

Japan

Contacts

Public ContactAi Hirano

Tohoku University Graduate School of Medicine Otolaryngology and Head & Neck Surgery

putchsan@mail.goo.ne.jp022-717-7304

Outcome results