Hearing

Impairments

Measuring hearing: the audiogram

-air versus bone conduction

Deficits of up to 15 dB are ignored

1. Conductive deafness

-otosclerosis

-otitis media

-cholestatoma

1. Conductive deafness

-otosclerosis

-otitis media

-cholestatoma

(Meniere’s disease)

2. Nerve deafness (sensorineural hearing loss)

-Presbycusis

2. Nerve deafness (sensorineural hearing loss)

-Presbycusis

Music example Speech example

https://www.youtube.com/watch?v=ar1Dq-M2ok4

2. Nerve deafness (sensorineural hearing loss)

-Presbycusis

-Tinnitus

Tinnitus simulation with masks

2. Nerve deafness (sensorineural hearing loss)

-Presbycusis

-Tinnitus

-loudness recruitment

-pathological adaptation

-noise-induced hearing loss (hair cell death)

Completely-in-canal (CIC)

In-the-canal (ITC)

In-the-ear (ITE)

Behind-the-ear (BTE)

Body Aids

Bone-Conducting Aid

Bone Anchored hearing aid

Cochlear Implant

The typical reaction to implants activated for the first time:

https://www.youtube.com/watch?v=LsOo3jzkhYA

Implant raw input Vocoded estimate from implant

https://hearingtest.online/