The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 13, 2021
Filed:
Oct. 10, 2019
Applicant:
Qualcomm Incorporated, San Diego, CA (US);
Inventors:
Assignee:
QUALCOMM Incorporated, San Diego, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 3/00 (2006.01); G06F 3/16 (2006.01); H04R 3/04 (2006.01); G10L 21/0208 (2013.01); H04L 29/06 (2006.01); G06F 9/30 (2018.01);
U.S. Cl.
CPC ...
H04R 3/04 (2013.01); G06F 3/16 (2013.01); G06F 3/162 (2013.01); G06F 9/30134 (2013.01); G10L 21/0208 (2013.01); H04L 65/601 (2013.01); H04L 65/80 (2013.01);
Abstract
Systems and methods for scrambling data-port audio in SOUNDWIRE™ systems include a scramble enable feature that allows a data source to scramble an outgoing channel content with a cyclic linear feedback shift register (LFSR) using a pseudo-random binary sequence (PRBS) such as, but not limited to, the PRBS defined in the SOUNDWIRE specification. Data ports for audio sinks receiving the scrambled content descramble the content for use by the audio sink. In a specific exemplary aspect, an output of the LFSR is added or subtracted with the audio data to make the microphones independent of one another and reduce crosstalk.