The navigator.mozAudioChannelManager object provides access to the mozAudioChannelManager interface, which is used to manage your Firefox OS device's audio channels, including setting what channel's volume to affect when the volume buttons are pressed inside a particular app.
The navigator.mozAudioChannelManager object provides access to the mozAudioChannelManager interface, which is used to manage your Firefox OS device's audio channels, including setting what channel's volume to affect when the volume buttons are pressed inside a particular app.
The AudioChannelManager interface of the AudioChannels API includes features for managing your device's audio channels, including setting what channel's volume to affect when the volume buttons are pressed inside a particular app.
The headphones read-only property of the AudioChannelManager interface returns a Boolean that indicates whether headphones are plugged into the device. A true value means that headphone are plugged in; false means they aren't.
The onheadphoneschange event handler of the AudioChannelManager interface fires when the device's headphones are plugged in or unplugged.
The telephonySpeaker property of the AudioChannelManager interface returns a Boolean that allows you to set whether the "telephony" audio channel should be played out of the device's speakers.
The volumeControlChannel property of the AudioChannelManager interface returns a DOMString that allows you to set which audio channel should have its volume changed when you press the device's hardware volume controls.