Title:
SYSTEM AND METHOD FOR GENERATING AN IMPROVED VOICE ASSIST ALGORITHM SIGNAL INPUT
Document Type and Number:
WIPO Patent Application WO/2019/139991
Kind Code:
A1
Abstract:
An improved system for generating a Voice Assistant engine input signal in a Voice-Controlled loudspeaker 404 and a method for generating the Voice Assistant engine input signal includes (a) obtaining a return audio reference signal for a specific loudspeaker unit, (b) sensing or calculating a desired transfer function Η(ω,t) for the unit, (c) modifying the return audio reference signal with the desired transfer function Η(ω,t) to provide a corrected return audio reference or cancellation signal, and (d) applying the filtered corrected return audio reference or cancellation signal to a voice signal to generate an enhanced and more intelligible VA engine input signal.
Inventors:
DONNELLY DANIEL (US)
SAYLOR ROBERT (US)
SMITH GARRETT (US)
SAYLOR ROBERT (US)
SMITH GARRETT (US)
Application Number:
PCT/US2019/012908
Publication Date:
July 18, 2019
Filing Date:
January 09, 2019
Export Citation:
Assignee:
POLK AUDIO LLC (US)
International Classes:
G06F3/16; G10L15/20; G10L21/16; G10L25/78
Domestic Patent References:
| WO2016186997A1 | 2016-11-24 |
Foreign References:
| US20040165735A1 | 2004-08-26 | |||
| US8971543B1 | 2015-03-03 | |||
| US28750217A | ||||
| US9277044B2 | 2016-03-01 | |||
| US9374640B2 | 2016-06-21 | |||
| US9584935B2 | 2017-02-28 | |||
| US9706320B2 | 2017-07-11 | |||
| US9807484B2 | 2017-10-31 | |||
| US8971543B1 | 2015-03-03 | |||
| US9060224B1 | 2015-06-16 |
Attorney, Agent or Firm:
McKINNEY, J., Andrew, Jr. (US)
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