Since this setting is system-wide this will apply to all audio input streams from the same device (i.e. If the echoCancellation constraint is enabled, hardware noise suppression will be turned off for the duration of the newly created audio stream. When this is enabled, and a web page calls getUserMedia to get audio from an input device, the following happens: End users can enable it globally by passing a command-line flag when starting Chrome. Web developers can enable the new behavior on their sites by opting in to an Origin Trial.
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#Keyclick suppression chrome software#
Moreover, there is already software noise suppression in place, but only after the echo canceller has done its processing. Processing that's applied before the audio reaches the echo canceller, such as hardware noise suppression, will normally impede its performance. To be successful in removing echo, WebRTC’s echo canceller (which is used in Chrome) needs to get as clean an audio signal as possible from the microphone. Without this, what you're saying as one party of a call, will be picked up by the microphone of the other parties and then sent back to you. # BackgroundĪn echo canceller tries to remove any sound played out on the speakers from the audio signal that's picked up by the microphone. Support is limited to devices which have toggleable “ambient noise reduction” in the Sound panel of System Preferences. As this functionality is experimental, it needs to be explicitly turned on see below.Īt this point, this behavior is only supported for certain input devices and only on macOS.
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We anticipate this will make the echo canceller perform better. What's new is that such streams will temporarily disable hardware noise suppression for the duration of the stream. In Chrome 64 we're trying a new behavior for getUserMedia audio streams that have the echoCancellation constraint enabled.