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An Open Development Platform for auditory real-time signal processing

An Open Development Platform for auditory real-time signal processing
An Open Development Platform for auditory real-time signal processing
Algorithms that are used in real-time hearing devices, such as hearing aids or cochlear implants, need to work
with a short time latency in the order of 10ms and must be efficient enough to run on battery power.
Furthermore, in order to evaluate ecological validity such algorithms often need to be validated in the
development stage using real-time processing of environmental sounds. However, researchers often lack the
ability to access to the technology and they use offline schemes instead. In order to allow more and less
specialised researchers access to the necessary technology and make it as easy and straightforward to develop
real-time algorithm, we have developed an auditory real-time processing algorithm platform (“Open
Development Platform”, ODP). The ODP is designed to help the development from existing offline algorithms to
novel real-time algorithms by introducing a clear set of rules for development and evaluation. ODP has a
software component that works in MATLAB/Simulink and a hardware component that works on the Speedgoat®
Target machine. We also explain several algorithms from the available library that have low latency and low
power consumption: filter bank, envelop power estimator, frequency shifter, and adaptive feedback canceller.
As example of a complete project, we demonstrate here, how they can be combined to a fully functional
hearing aid for research purposes
0167-6393
Kim, Seon Man M
89e6b1d9-a060-427d-8762-9a0a1aa9449c
Bleeck, Stefan
c888ccba-e64c-47bf-b8fa-a687e87ec16c
Kim, Seon Man M
89e6b1d9-a060-427d-8762-9a0a1aa9449c
Bleeck, Stefan
c888ccba-e64c-47bf-b8fa-a687e87ec16c

Kim, Seon Man M and Bleeck, Stefan (2017) An Open Development Platform for auditory real-time signal processing. Speech Communication. (doi:10.1016/j.specom.2017.12.003).

Record type: Article

Abstract

Algorithms that are used in real-time hearing devices, such as hearing aids or cochlear implants, need to work
with a short time latency in the order of 10ms and must be efficient enough to run on battery power.
Furthermore, in order to evaluate ecological validity such algorithms often need to be validated in the
development stage using real-time processing of environmental sounds. However, researchers often lack the
ability to access to the technology and they use offline schemes instead. In order to allow more and less
specialised researchers access to the necessary technology and make it as easy and straightforward to develop
real-time algorithm, we have developed an auditory real-time processing algorithm platform (“Open
Development Platform”, ODP). The ODP is designed to help the development from existing offline algorithms to
novel real-time algorithms by introducing a clear set of rules for development and evaluation. ODP has a
software component that works in MATLAB/Simulink and a hardware component that works on the Speedgoat®
Target machine. We also explain several algorithms from the available library that have low latency and low
power consumption: filter bank, envelop power estimator, frequency shifter, and adaptive feedback canceller.
As example of a complete project, we demonstrate here, how they can be combined to a fully functional
hearing aid for research purposes

Text
1-s2.0-S0167639317301528-main - Accepted Manuscript
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More information

Accepted/In Press date: 4 December 2017
e-pub ahead of print date: 6 December 2017
Published date: 2017

Identifiers

Local EPrints ID: 416357
URI: http://eprints.soton.ac.uk/id/eprint/416357
ISSN: 0167-6393
PURE UUID: df9bbd24-a831-4d65-9d9a-f92c09157990
ORCID for Stefan Bleeck: ORCID iD orcid.org/0000-0003-4378-3394

Catalogue record

Date deposited: 14 Dec 2017 17:30
Last modified: 26 Nov 2021 05:28

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Contributors

Author: Seon Man M Kim
Author: Stefan Bleeck ORCID iD

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