Uni-KL/1 Hearing Aid Device - PAI Example: classroom Teacher Traffic Machine Student Traffic Machine...

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ni-KL/1 Hearing Aid Device - PAI Hearing Aid Device - PAI Example: classroom Teacher Traffic Machine Student Traffic Machine Teacher Power Spatial Spectrum

Transcript of Uni-KL/1 Hearing Aid Device - PAI Example: classroom Teacher Traffic Machine Student Traffic Machine...

Page 1: Uni-KL/1 Hearing Aid Device - PAI Example: classroom Teacher Traffic Machine Student Traffic Machine Teacher Power Spatial Spectrum.

Uni-KL/1

Hearing Aid Device - PAIHearing Aid Device - PAI

Example: classroom

Teacher

Traffic

Machine

Student

Traffic

Machine

Teacher

Power Spatial Spectrum

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Hearing Aid Device – PAI - SimulationHearing Aid Device – PAI - Simulation

Real voice.SNR = 40 dB.

Original Signal

Regular Prosthesis

PAIOmnidirecional Noise

“DIRECAO DE CHEGADA”

Page 3: Uni-KL/1 Hearing Aid Device - PAI Example: classroom Teacher Traffic Machine Student Traffic Machine Teacher Power Spatial Spectrum.

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Hearing Aid Device – PAI - SimulationHearing Aid Device – PAI - Simulation

SNR = 30 dB

PAI

Omnidirecional Noise

Regular Prosthesis

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Uni-KL/4

Hearing Aid Device – PAI - SimulationHearing Aid Device – PAI - Simulation

SNR = 20 dB

PAI

Omnidirecional Noise

Regular Prosthesis

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Hearing Aid Device – PAI - SimulationHearing Aid Device – PAI - Simulation

SNR = 10 dB

PAI

Omnidirecional Noise

Regular Prosthesis

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Hearing Aid Device – PAI - SimulationHearing Aid Device – PAI - Simulation

SNR = 0 dB

PAI

Omnidirecional Noise

Regular Prosthesis

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Hearing Aid Device – PAI - SimulationHearing Aid Device – PAI - Simulation

SNR = -10 dB

PAI

Omnidirecional Noise

Regular Prosthesis

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Hearing Aid Device – PAI - SimulationHearing Aid Device – PAI - Simulation

SNR = -20 dB

PAI

Omnidirecional Noise

Regular Prosthesis

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Hearing Aid Device – PAIHearing Aid Device – PAI

µF0

µF1

µF2

µF3

µF4

µF5

µF6

µF7

Pré

Pré

Pré

Pré

Pré

Pré

Pré

Pré

Filter

Filter

Filter

Filter

Filter

Filter

Filter

Filter

A/D

A/D

A/D

A/D

A/D

A/D

A/D

A/D

DSP

D/A Filter

UserInterface