Products Cast Reference Class: Volume cast.framework.messages.Volume class static Represents the volume of a media session stream. Constructor Volume new Volume() Properties level (number or undefined) Value from 0 to 1 that represents the current stream volume level. muted (boolean or undefined) Whether the stream is muted. Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 3.0 License, and code samples are licensed under the Apache 2.0 License. For details, see our Site Policies. Java is a registered trademark of Oracle and/or its affiliates. Last updated September 28, 2017.