Exploring the effect of a novel noise reduction algorithm on speech perception of Mandarin-speaking hearing-impaired population

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2200058919

Enrollment

Unknown

Registered

2022-04-19

Start date

2022-04-20

Completion date

Unknown

Last updated

2024-01-28

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

Conditions

Sensorineural hearing loss

Interventions

1:a novel noise reduction algorithm

Eligibility

Sex/Gender

All

Age

18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Experienced hearing aid users (at least one year); 2. Hearing loss degree: bilateral permanent sensorineural severe to profound hearing loss (PTA4 average >60 dBHL; 1kHz above >60 dBHL; 3. Audiogram configuration: flat or gently sloping; 4. Normal middle ear function; 5. less than 15 dB asymmetry between two ears from 500 Hz to 4000Hz.

Exclusion criteria

Exclusion criteria: 1. People with cognitive problems (will be evaluated via Montreal Cognitive Assessment test); 2. People who can't finish the speech test, i.e. can't repeat clearly what s/he hears.

Design outcomes

Primary

Measure	Time frame
Speech recognition threshold;	—

Secondary

Measure	Time frame
Listening effort;Speech clarity preference;	—

Countries

China

Contacts

Public ContactJingjing Guan

Sonova (Shanghai) Co., Ltd.

Jingjing.guan@sonova.com+86 13774204756

Outcome results

None listed

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