org.jitsi.impl.neomedia.jmfext.media.protocol.wasapi.HResultException

When I access https://IP:7443/ofmeet/candy.html , following error happens

2018.05.08 14:36:45 org.jitsi.impl.neomedia.device.WASAPISystem - Failed to initialize acoustic echo cancellation (AEC)
org.jitsi.impl.neomedia.jmfext.media.protocol.wasapi.HResultException: 0x80040154
at org.jitsi.impl.neomedia.jmfext.media.protocol.wasapi.WASAPI.CoCreateInstance(Native Method)
at org.jitsi.impl.neomedia.device.WASAPISystem.initializeAEC(WASAPISystem.java:1170)
at org.jitsi.impl.neomedia.device.WASAPISystem.maybeInitializeAEC(WASAPISystem.java:1494)
at org.jitsi.impl.neomedia.device.WASAPISystem.doInitialize(WASAPISystem.java:491)
at org.jitsi.impl.neomedia.device.DeviceSystem.initialize(DeviceSystem.java:642)
at org.jitsi.impl.neomedia.device.DeviceSystem$1.run(DeviceSystem.java:393)
2018.05.08 14:36:45 org.jitsi.impl.neomedia.device.WASAPISystem - Failed to doInitialize for IMMDevice at index 0
org.jitsi.impl.neomedia.jmfext.media.protocol.wasapi.HResultException: 0x88890010
at org.jitsi.impl.neomedia.jmfext.media.protocol.wasapi.WASAPI.IMMDevice_Activate(Native Method)
at org.jitsi.impl.neomedia.device.WASAPISystem.doInitializeIMMDevice(WASAPISystem.java:579)
at org.jitsi.impl.neomedia.device.WASAPISystem.doInitialize(WASAPISystem.java:506)
at org.jitsi.impl.neomedia.device.DeviceSystem.initialize(DeviceSystem.java:642)
at org.jitsi.impl.neomedia.device.DeviceSystem$1.run(DeviceSystem.java:393)
2018.05.08 14:41:17 org.jitsi.impl.neomedia.device.WASAPISystem - Failed to initialize acoustic echo cancellation (AEC)
org.jitsi.impl.neomedia.jmfext.media.protocol.wasapi.HResultException: 0x80040154
at org.jitsi.impl.neomedia.jmfext.media.protocol.wasapi.WASAPI.CoCreateInstance(Native Method)
at org.jitsi.impl.neomedia.device.WASAPISystem.initializeAEC(WASAPISystem.java:1170)
at org.jitsi.impl.neomedia.device.WASAPISystem.maybeInitializeAEC(WASAPISystem.java:1494)
at org.jitsi.impl.neomedia.device.WASAPISystem.doInitialize(WASAPISystem.java:491)
at org.jitsi.impl.neomedia.device.DeviceSystem.initialize(DeviceSystem.java:642)
at org.jitsi.impl.neomedia.device.DeviceSystem$1.run(DeviceSystem.java:393)
2018.05.08 14:41:17 org.jitsi.impl.neomedia.device.WASAPISystem - Failed to doInitialize for IMMDevice at index 0
org.jitsi.impl.neomedia.jmfext.media.protocol.wasapi.HResultException: 0x88890010
at org.jitsi.impl.neomedia.jmfext.media.protocol.wasapi.WASAPI.IMMDevice_Activate(Native Method)
at org.jitsi.impl.neomedia.device.WASAPISystem.doInitializeIMMDevice(WASAPISystem.java:579)
at org.jitsi.impl.neomedia.device.WASAPISystem.doInitialize(WASAPISystem.java:506)
at org.jitsi.impl.neomedia.device.DeviceSystem.initialize(DeviceSystem.java:642)
at org.jitsi.impl.neomedia.device.DeviceSystem$1.run(DeviceSystem.java:393)