Waldo Nogueira
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Sound Coding Strategies and Signal Processing Methods for Cochlear Implants and Hearing Aids


Description:
In this Lecture you will learn how the signal processing of a hearing aid and a cochlear implant works from a theoretical and from a practical point of view. The idea is that you first receive a theoretical overview of a single aspect of the whole signal processing chain and next you practice with it using a Matlab environment. The lecture is divided in three sub-blocks: 1) Introduction, 2) Signal Processing for Cochlear Implants and 3) Signal Processing for combination of Hearing Aids and Cochlear Implants. For each sub-block 50% of the time will theory and 50% of the time will be practice with MATLAB.

Goals:
At the end of the course you will create a simulator that synthesizes the sound experience that a CI user would perceive.

Prior Knowledge:
None. If you don’t have experience with Matlab we will provide you with training and the practice will be adapted to your level.

Dates:
05.05.2014 (Monday) – 07.05.2014 (Wednesday)    - 15 hours in Total

Contact:
Waldo Nogueira, Jr.Prof
email: nogueiravazquez.waldo(at)mh-hannover.de

Assitant: Gunnar Geissler, MSc.
email: geissler@hoerzentrum-hannover.de

Place:
Hannover, Seminar room “HZH GmbH” (2nd floor), Feodor-Lynen-Str. 35.

1. Introduction (Day 1)                                                                                                
1.1   Introduction to Sound Processing for Hearing Intruments                 (Monday 10:00 – 11:00 AM)
1.2   Introduction/Review to/of Matlab                                                     (Monday 11:00 – 12:00 AM)
1.3   Analysis of Sounds (Speech and Music)                                              (Monday 12:00 – 13:00 AM)
1.4   Review of basics of Signal Processing                                                 (Monday 14:00 – 15:00 AM)
1.5   Review of basics of Signal Processing with Matlab                             (Monday 15:00 – 16:00 AM)
1.6   Summary                                                                                             (Monday 16:00 – 17:00 AM)

2. Signal Processing for Cochlear Implants (Day 2)
2.1 Filterbank (Analysis)                                                                             (Tuesday  09:00 – 11:00 AM)
2.2 Envelope Detector                                                                               (Tuesday  11:00 – 12:00 AM)
2.3 Compression                                                                                         (Tuesday  13:00 – 14:00 PM)
2.4 Electrical Stimulation                                                                            (Tuesday  14:00 – 15:00 PM)
2.5   Acoustic Simulation (VoCoder)                                                           (Tuesday  15:00 – 16:00 PM)
2.6   Summary                                                                                             (Tuesday  16:00 – 17:00 PM)

3. Signal Processing for combination of Hearing aids and CIs (Day 3)
3.1   Filterbank (Analysis-Synthesis)                                                           (Wednesday  09:00 – 11:00 AM)
3.2   Hearing Loss Compensation                                                                (Wednesday  11:00 – 12:00 AM)
3.3   Compression                                                                                       (Wednesday  13:00 – 15:00 PM)
3.4   ElectroAcoustic Simulation and Stimulation                                       (Wednesday  15:00 – 16:00 PM)
3.5   Summary                                                                                             (Wednesday  16:00 – 16:30 PM)
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