Help Center>Sound Effect Help>Bad Sound Effect

The voice you hear or your own voice heard by others is unclear or uncontinuous:
①、 You’d better exit all your downloading tools (such as Thunder, eMule, etc. ) during the class in case they may
disturb your listening and speaking.
②、 You’d better not watch other videos, listen to music or run other programs (including other IE programs) during the
class hours.
③、 Click the icon on the top right or in the video window to
turn off the video.
④、 The bad sound effect may also due to the quality of your headsets.

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