公开(公告)号：US11843899B1

公开(公告)日：2023-12-12

申请号：US17829512

申请日：2022-06-01

Applicant: Cisco Technology, Inc.

Inventor： Mihailo Kolundzija ,  Rafal Pilarczyk

IPC: H04N7/15 ,  H04L65/403 ,  H04L12/18

CPC classification number: H04N7/15 ,  H04L12/1822 ,  H04L65/403

Abstract: Presented herein are systems and methods for obtaining an audio stream from a microphone of a first participant of an audio and video conference between at least the first participant and a second participant; detecting, in the audio stream, a sound trigger that is noise generated by the first participant and filtered from the audio stream by a noise cancellation filter; in response to detecting the sound trigger, muting a transmission of the audio stream to the second participant; and while muting the transmission of the audio stream to the second participant, receiving a verbal command from the first participant that is used to control a digital or virtual assistant.

公开(公告)号：US20250131940A1

公开(公告)日：2025-04-24

申请号：US18539764

申请日：2023-12-14

Applicant: Cisco Technology, Inc.

Inventor： Rafal Pilarczyk ,  Amir Salah Abdelsamie Abdelwahed ,  Hui-Ling Lu ,  Ivana Balic ,  Yusuf Ziya Isik ,  David Guoqing Zhang ,  Xuehong Mao ,  Samer Lutfi Hijazi

IPC: G10L21/043 ,  G10L19/00

Abstract: A data-driven audio codec system that involves producing multiple compressed streams comprising encoded information (e.g., codeword indices) at different time scales (time intervals or frequency). This may allow for separation of different properties of speech, such as content and aspects of style (prosody), into the different compressed streams without explicitly enforcing it, i.e., in an unsupervised manner. Speech audio is encoded to produce a plurality of encoded streams comprising encoded information for the speech audio at different time scales. The plurality of encoded streams are decoded to generate output audio.

公开(公告)号：US20230396734A1

公开(公告)日：2023-12-07

申请号：US17829512

申请日：2022-06-01

Applicant: Cisco Technology, Inc.

Inventor： Mihailo Kolundzija ,  Rafal Pilarczyk

IPC: H04N7/15 ,  H04L12/18 ,  H04L65/403

CPC classification number: H04N7/15 ,  H04L12/1822 ,  H04L65/403

Abstract: Presented herein are systems and methods for obtaining an audio stream from a microphone of a first participant of an audio and video conference between at least the first participant and a second participant; detecting, in the audio stream, a sound trigger that is noise generated by the first participant and filtered from the audio stream by a noise cancellation filter; in response to detecting the sound trigger, muting a transmission of the audio stream to the second participant; and while muting the transmission of the audio stream to the second participant, receiving a verbal command from the first participant that is used to control a digital or virtual assistant.