Zoom Video Communications, Inc.

Zoom Communications, Inc.

Saar Litman

Broadcast messages that each includes a conference identifier of a conference to which the device is joined are transmitted from a device. Each broadcast message includes a respective indication of an audio frame of first audio frames of an audio stream of the conference. A broadcast message that includes the conference identifier of the conference and an indication of a received frame number is received from another device that is joined to the conference. One of the first audio frames is output via a speaker of the device where the one of the first audio frames is selected using the respective indication of the audio frame of the first audio frames and the indication of the received frame number.

Audio synchronization using broadcast messages

A device that is connected to a conference receives broadcast messages from other devices. The device selects at least a subset of the broadcast messages. Each broadcast message in the subset includes an indication that a respective device transmitting the broadcast message is connected to the conference. The device extracts respective audio synchronization values from the broadcast messages in the subset. The device identifies, based on the respective audio synchronization values, an audio frame of an audio stream of the conference. The device then outputs the audio frame.

Broadcast message-based conference audio synchronization

A Bluetooth Low Energy (BLE) beacon packet is transmitted by a device. The BLE beacon packet includes a conference identifier of a conference and a self-clock indicative of an audio frame of an audio stream of the conference received at the device. The device is connected to the conference. BLE beacon packets are received at the device. Each received BLE beacon packet includes a received clock. The received clock is indicative of an audio frame of the audio stream at a device that transmitted the received BLE beacon packet. The self-clock or one of the received clocks as a master clock is selected. Audio frames of the audio stream are output via an external speaker of the device based on the master clock.

Audio synchronization using bluetooth low energy

Broadcast messages are received at a device from other devices. Each broadcast message includes a respective audio synchronization value. The device and the other devices are joined to a conference. An audio frame of an audio stream of the conference is identified at the device based on the audio synchronization values. The audio frame is output at the device.

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Montclair, NJ, United States of America

Saar Litman