Objective differentiation of dysphonic voice quality types

Objective differentiation of dysphonic voice quality types - Dysphonia

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00015145

Enrollment

260

Registered

2018-07-26

Start date

2017-10-20

Completion date

Unknown

Last updated

2025-04-07

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

Conditions

R49.0

Interventions

Group 1: Vocal fry: Laryngeal high-speed video endoscopy Group 2: Extrapulses: Laryngeal high-speed video endoscopy Group 3: Phase differences: Laryngeal high-speed video endoscopy Group 4: Controls:

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: Dysphonia/hoarseness, healthy controls

Exclusion criteria

Exclusion criteria: Pregnancy, breastfeeding, endoscopic examination impossible

Design outcomes

Primary

Measure	Time frame
For each type identified type of of dysphonic voice qualities, a detector algorithm will be developed in MATLAB. Its classification performance will be evaluated when recruiting is finalized.	—

Countries

Austria

Contacts

Public ContactPhilipp Aichinger

Klinische Abteilung Phoniatrie-LogopädieUniversitätsklinik für Hals-, Nasen-, und OhrenkrankheitenMedizinische Universität Wien

philipp.aichinger@meduniwien.ac.at+43 (1) 40400 11670

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026