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Tuning the echo delay on a RealPresence Trio 8800

CAPPON Benjamin
Occasional Visitor
‎11-05-2020 01:10 AM
‎11-05-2020 01:10 AM

Tuning the echo delay on a RealPresence Trio 8800

Hello,

 

I'me working in a belgian hospital.

 

We are using a RealPresence Trio 8800 connected to usb for our Skype meetings.

Recently, w've bought a klik and show system, witch is using the network to cast video and audio output.

The klik and show is delaying the audio.

The delaying of the audio is causing echo in our conversations.

 

Is there any way to tune the auto-echo reduction of the RealPresence to solve or problem?

Any codec or things like that?

 

Can anybody help us?

 

Thx a lot

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SteffenBaierUK
Polycom Employee & Community Manager Polycom Employee & Community Manager
Polycom Employee & Community Manager
‎11-05-2020 02:32 AM
‎11-05-2020 02:32 AM

Re: Tuning the echo delay on a RealPresence Trio 8800

Hello @CAPPON Benjamin ,

 

Welcome to the Poly Community.


I am not sure I understand the request. You are using the Poly Trio as a USB Loudspeaker and Microphone and another device introduces a delay.

 

Has this been tested using the PC loudspeaker and Microphone and are you seeing the same issue?

 

If yes then this would be working as designed. There is no configuration parameter that I would know off to "delay" the audio on a Poly Trio.

 

Please ensure to provide some feedback if this reply has helped you so other users can profit from your experience.

Best Regards

Steffen Baier

----------------
The title Polycom Employee & Community Manager is a community setting and does not reflect my role. I am just a simple volunteer in the community like everybody else. My official "day" Job is 3rd Level support at Poly but I am unable to provide official support via the community.

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Notice: This community forum is not an official Poly support resource, thus responses from Poly employees, partners, and customers alike are best-effort in attempts to share learned knowledge. If you need immediate and/or official assistance please open a service ticket through your proper support channels.
Please also ensure you always check the VoIP , Video Endpoint , Skype for Business , PSTN or RPM FAQ's
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schemaitat
Member
‎11-05-2020 04:48 AM
‎11-05-2020 04:48 AM

Re: Tuning the echo delay on a RealPresence Trio 8800

Hi Cappon, best reconfigure without Klick & Show in the path. Delayed sound echo is a challenge that can sometimes be dealt with using an external sound processor but that approach requires audio connections that are not externally accessible through Trio.

 

Peripheral sharing through wireless presentation devices typically adds 400 milliseconds latency, wondering what Klick & Show is adding, the video link below can help give you a rough idea. One vertical hash across the bottom bar equals about  40 milliseconds latency. - Tom

https://youtu.be/vVp3bNS0cx8

 

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