07194094 is referenced by 18 patents and cites 32 patents.

A sound masking system according to the invention is disclosed in which one or more sound masking loudspeaker assemblies are coupled to one or more electronic sound masking signal generators. The loudspeaker assemblies in the system of the invention have a low directivity index and preferably emit an acoustic sound masking signal that has a sound masking spectrum specifically designed to provide superior sound masking in an open plan office. Each of the plurality of loudspeaker assemblies is oriented to provide the acoustic sound masking signal in a direct path into the predetermined area in which masking sound is needed. In addition, the sound masking system of the invention can include a remote control function by which a user can select from a plurality of stored sets of information for providing from a recipient loudspeaker assembly an acoustic sound masking signal having a selected sound masking spectrum.

Title
Sound masking system
Application Number
10/280104
Publication Number
7194094 (B2)
Application Date
October 24, 2002
Publication Date
March 20, 2007
Inventor
John C Heine
Weston
MA, US
Thomas R Horrall
Harvard
MA, US
Agent
Weingarten Schurgin Gagnebin & Lebovici
Assignee
Acentech
MA, US
IPC
H04R 3/02
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