US 12,094,489 B2
Voice onset detection
Jung-Suk Lee, Santa Clara, CA (US); and Jean-Marc Jot, Aptos, CA (US)
Assigned to Magic Leap, Inc., Plantation, FL (US)
Filed by Magic Leap, Inc., Plantation, FL (US)
Filed on Aug. 31, 2023, as Appl. No. 18/459,342.
Application 18/459,342 is a continuation of application No. 17/714,708, filed on Apr. 6, 2022, granted, now 11,790,935.
Application 17/714,708 is a continuation of application No. 16/987,267, filed on Aug. 6, 2020, granted, now 11,328,740, issued on May 10, 2022.
Claims priority of provisional application 63/001,118, filed on Mar. 27, 2020.
Claims priority of provisional application 62/884,143, filed on Aug. 7, 2019.
Prior Publication US 2023/0410835 A1, Dec. 21, 2023
Int. Cl. G10L 25/78 (2013.01); G02B 27/00 (2006.01); G02B 27/01 (2006.01); G06F 3/01 (2006.01); G06F 17/18 (2006.01); G10L 25/51 (2013.01); H04R 3/00 (2006.01); H04R 3/04 (2006.01); H04R 5/04 (2006.01)
CPC G10L 25/78 (2013.01) [G02B 27/0093 (2013.01); G02B 27/017 (2013.01); G06F 3/011 (2013.01); G06F 3/017 (2013.01); G06F 17/18 (2013.01); G10L 25/51 (2013.01); H04R 3/005 (2013.01); H04R 3/04 (2013.01); H04R 5/04 (2013.01); G10L 2025/783 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A system comprising:
a wearable head device comprising:
a frame;
a first microphone disposed on the frame, the first microphone configured to rest at a first distance from a user's mouth when the frame is worn by the user; and
a second microphone disposed on the frame, the second microphone configured to rest at a second distance from the user's mouth when the frame is worn by the user, the second distance unequal to the first distance; and
one or more processors configured to perform a method comprising:
receiving, via the first microphone, a first voice audio signal;
determining a first probability of voice activity based on the first voice audio signal;
receiving, via the second microphone, a second voice audio signal;
determining a second probability of voice activity based on the first voice audio signal and the second voice audio signal;
determining whether a first threshold of voice activity is met based on the first probability of voice activity and the second probability of voice activity;
in accordance with a determination that the first threshold of voice activity is met, determining that a voice onset has occurred; and
in accordance with a determination that the first threshold of voice activity is not met, forgoing determining that a voice onset has occurred.