NDLI: Investigation of self-masking effects for the evaluation of in-car communication systems

Content Provider	IEEE Xplore Digital Library
Author	Theib, A. Schmidt, G.
Copyright Year	2014
Description	Author affiliation: Digital Signal Process. & Syst. Theor., CAU Kiel, Kiel, Germany (Theib, A.; Schmidt, G.)
Abstract	The communication situation inside a passenger compartment can be impaired due to a high background noise at higher ve-locities. An In-Car Communication system (ICC system) is capable of improving this situation by recording the speech signal and reproducing the enhanced speech signal via the integrated loudspeakers. Due to this playback the speech level at the ears of listening passenger is increased but the signal is also fed back to the talking passenger. This might be disturbing for the talking passenger and hence might also be a quality issue of an ICC system. Up to now, the impact of this effect is not entirely clear and has not been investigated in detail yet. This contribution gives a first glance on this self-masking effect. Therefore, a psycho-acoustic experiment with test persons is presented in which these subjects should define in various scenarios, if the feedback is audible or even disturbing. The parameters of a scenario such as the delay of the feedback, the frequency range, and the current background noise are varied. Finally, the effect of the different parameters on the talking passenger and the impact on the quality of an ICC system is investigated.
Starting Page	278
Ending Page	282
File Size	124338
Page Count	5
File Format	PDF
ISBN	9781479968084
DOI	10.1109/IWAENC.2014.6954302
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-09-08
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Loudspeakers ICC system evaluation Noise Speech Acoustics ICC system Closed electro-acoustic loop Delays Gain Vehicles
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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