skype echo sound test service not working

If the user does NOT have a headset with integrated speaker (Composite device) or external speaker with no inbuilt AEC nodule, The HDX RealTime Optimization Pack AEC engine provides software-based acoustic echo cancellation.Software-based acoustic echo cancellation (done in our case by the Real-Time Optimization Pack Media Engine).

Some of the Skype for Business ready devices which can perform AEC in hardware are listed here Ģ.Where the Echo is canceled by the AEC module on the hardware device. Citrix recommends that you use a headset with integrated speaker (Composite device) or speakerphone that has hardware-based echo cancellation.Hardware-based acoustic echo cancellation (done by an audio device in use). There are two types of echo cancellation methods:ġ. Note: The Echo is produced when one of the users in multiparty call is using a separate device for speakerphone for audio output and a microphone phone for audio input or speakerphone with an inbuilt microphone which does not support AEC (acoustic echo cancellation). User 1 hears his own echo when speaking.User 2 does not hear the echo from their end.

User 2 is using a separate device for speakerphone and microphone (Non-Composite device) where speakerphone does not have an AEC.

User 1 is using a headset (composite device) as an audio device.

The most important take away here is that echo is not produced on the side where it is heard.Įxample of a conversation with no acoustic echo cancellation (AEC): The effects of this can be distracting and lead to poor user experience, especially in multiparty calls. Echo is when your voice is retransmitted back to you by User B. Let’s imagine you are UserA and in a conversation with UserB. Users hear an echo when making a call using Skype for Business either as a published app or published desktop with HDX RealTime Optimization Pack.

Skype echo sound test service not working