Examination of the Effect of Changes in Acoustic Characteristics Due to Mask Wearing on Speech Intelligibility

Examination of the Effect of Changes in Acoustic Characteristics Due to Mask Wearing on Speech Intelligibility - Examination of the Effect of Changes in Acoustic Characteristics Due to Mask Wearing on Speech Intelligibility

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000059717

Enrollment

Registered

2025-11-10

Start date

2023-06-07

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

able-bodied person

Interventions

Wear a mask No mask worn

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Individuals without a history of otolaryngology consultation regarding voice issues 2) 40 individuals aged 20 to 89 years at the time of examination (20 males, 20 females)

Exclusion criteria

Exclusion criteria: 1) Impaired speech function 2) Lack of capacity to consent

Design outcomes

Primary

Measure	Time frame
PPQ, APQ, HNR, dB, and velocity (acoustic characteristics) with and without mask	—

Countries

Japan

Contacts

Public ContactTakumi Sakamaki

National Center of Neurology and Psychiatry Hospital Physical Rehabilitation Department

sakataku25.b@ncnp.go.jp042-341-2711

Outcome results

None listed

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