公开(公告)号：US20240022783A1

公开(公告)日：2024-01-18

申请号：US18251951

申请日：2020-12-11

Applicant: QUALCOMM Incorporated

Inventor： Nan ZHANG ,  Yu CHEN ,  Xia ZHAO

IPC: H04N21/43 ,  H04N21/4363

CPC classification number: H04N21/4307 ,  H04N21/43637

Abstract: A device includes one or more processors configured to obtain output delay data based on a transmission from an audio output device. The output delay data indicates a playback delay associated with audio output by the audio output device. The one or more processors are further configured to determine, based on the output delay data and host delay data, a synchronization delay to coordinate audio output by the audio output device and video output at a display. The one or more processors are further configured to initiate sending of audio data to the audio output device and to send video data to the display. The video data is delayed, based on the synchronization delay, relative to the sending of the audio data.

公开(公告)号：US20210391840A1

公开(公告)日：2021-12-16

申请号：US17062768

申请日：2020-10-05

Applicant: QUALCOMM Incorporated

Inventor： Jingbin WANG ,  Xiaoming BAO ,  Yu CHEN

IPC: H03G3/30 ,  H03G3/32

Abstract: A device including one or more processors configured to, based on at least one of an external criterion or a signal-based criterion, output a first gain adjusted signal from a first gain adjuster or a second gain adjusted signal from a second gain adjuster as an input to an audio processing operation. The first gain adjusted signal corresponds to a first gain applied to an audio signal from a microphone and the second gain adjusted signal corresponding to a second gain applied to an audio signal from a microphone. The signal-based criterion is based on whether a first signal metric associated with the first gain adjusted signal or a second signal metric associated with the second gain adjusted signal is closer to a target metric.