Device Symbol

Optimized/Non-optimized Device

Optimized

Non-optimized

Capture device

The name of a capture device used by the user.

Capture device driver

Device driver name and version of the capture device used by user.

Render device

The name of the render device used by the user.

Render device driver

Device driver name and version of the render device used by user.

Echo percent send

The percentage of time that echo is detected in the sent stream. A high echo percentage is an indication of echo.

Echo percent microphone in

The percentage of time that echo is detected in the audio from the capture device prior to echo cancellation.

Microphone glitch rate

Average audio glitches per five minutes for the microphone. For good quality the microphone glitch rate will be less than one per five minutes

Speaker glitch rate

Average audio glitches per five minutes for the speaker. For good quality, this will be less than one per five minutes.