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A simplified hybrid active noise con...

Raghunandan, Siddharth.

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A simplified hybrid active noise control algorithm for commercial headset applications.

Record Type:	Electronic resources : Monograph/item
Title/Author:	A simplified hybrid active noise control algorithm for commercial headset applications./
Author:	Raghunandan, Siddharth.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2016,
Description:	44 p.
Notes:	Source: Masters Abstracts International, Volume: 55-03.
Contained By:	Masters Abstracts International55-03(E).
Subject:	Electrical engineering. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10014954
ISBN:	9781339488820

A simplified hybrid active noise control algorithm for commercial headset applications.
Raghunandan, Siddharth.

A simplified hybrid active noise control algorithm for commercial headset applications. - Ann Arbor : ProQuest Dissertations & Theses, 2016 - 44 p.

Source: Masters Abstracts International, Volume: 55-03.

Thesis (M.S.)--California State University, Long Beach, 2016.

This item is not available from ProQuest Dissertations & Theses.

This paper proposes a simplified hybrid adaptive feedback algorithm along with design constraints for active noise control in open-backed commercial headsets. It is physically improbable in practice to achieve complete noise cancellation, especially in open backed conditions. This inherent property suggests that the residual noise can be used as a reference signal directly to adapt a leaky feedback FxLMS algorithm. A fixed analog feedback controller is concatenated into the FxLMS system, whose design constraints are derived from existing feedback based active and passive control systems. The resulting simplified hybrid algorithm using analog elements and digital elements, provides adequate noise control of both broadband and narrowband ranges, remaining robustly stable in open-backed plant changes throughout. A lighter computational load along with ease of implementation is also accomplished. The proposed algorithm's feasibility and relative performance are compared with other variants in a simulated acoustic environment using MATLAB's Audio Stream Processing Toolbox.

ISBN: 9781339488820Subjects--Topical Terms:

649834
Electrical engineering.

A simplified hybrid active noise control algorithm for commercial headset applications.
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245 1 2 $a A simplified hybrid active noise control algorithm for commercial headset applications.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2016
300 $a 44 p.
500 $a Source: Masters Abstracts International, Volume: 55-03.
500 $a Adviser: Hen-Geul Yeh.
502 $a Thesis (M.S.)--California State University, Long Beach, 2016.
506 $a This item is not available from ProQuest Dissertations & Theses.
520 $a This paper proposes a simplified hybrid adaptive feedback algorithm along with design constraints for active noise control in open-backed commercial headsets. It is physically improbable in practice to achieve complete noise cancellation, especially in open backed conditions. This inherent property suggests that the residual noise can be used as a reference signal directly to adapt a leaky feedback FxLMS algorithm. A fixed analog feedback controller is concatenated into the FxLMS system, whose design constraints are derived from existing feedback based active and passive control systems. The resulting simplified hybrid algorithm using analog elements and digital elements, provides adequate noise control of both broadband and narrowband ranges, remaining robustly stable in open-backed plant changes throughout. A lighter computational load along with ease of implementation is also accomplished. The proposed algorithm's feasibility and relative performance are compared with other variants in a simulated acoustic environment using MATLAB's Audio Stream Processing Toolbox.
590 $a School code: 6080.
650 4 $a Electrical engineering. $3 649834
650 4 $a Acoustics. $3 879105
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