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Questions tagged [aec]

Acoustic Echo Cancellation, a feature of Adobe Flash.

68 questions
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WebRTC: non 10ms audio frames possible?

Has anyone tried to change the audio frame size in WebRTC? It uses 10ms frames. I need a different size, and the code doesn't look promising...
Alexander Shmuratko
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How Adobe Flash AEC works? + AEC partially working

I'm trying to build a simple red5-flash application, where two people can converse with each other. I have two flash players for persons A and B, each with a publisher part (that takes the live webcam feed and sends it to a red5 server, that is…
Nilesh
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AIR Chat on Android and AEC

I am developing a chat application for Android, using AIR/Flex and Red5. But Acoustic Echo makes me stuck with headphones. With GTalk, we can enjoy handsfree chat. That means it is possible. I'm sure that I'm not first one to develop a chat app with…
Kadir San
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Android echo cancellation with libaudiopreprocessing

we have a board with a RK3399 Android9 where we have modify the audio_effects.xml as here below for have the audio echo cancellation (AEC) enabled by default on the system. However the device when is in call seems to no apply the AEC. We have read…
ypkdani
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Best Echo Cancellation in Flash

What is the best way to do Acoustic Echo Cancellation (AEC) for a Flash video chat application (that uses RTMP)? Any example code please?
JoHa
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How do I convert between 2D paper space coordinates world 3D coordinates for AEC models in a forge viewer?

I'm following a blog post by Petr Broz with my published views from a Revit project in BIM 360, but I was wondering how I would convert between 2D coordinates and 3D world coordinates if my published 2D view is actually just a stand-alone floor plan…
Christopher Git Daniel
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AEC3 suppress NearEnd audio when FarEnd has Noise

I use Chromium's AEC3 for Acoustic Echo Cancellation for my application . Echo Cancellation works fine . But whenever a noise played in speaker , NearEnd audio ( voice from My Microphone ) suppresses . I uses the default configuration used here…
Andrew
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How do I properly remove Acoustic Echo Cancellation using Speex?

UPDATED: Overall code that I use For this, you really have to look at Mark Heath article here: how to play and record at the sametime. With that, you can really directly understood the problem right? Which is, the played sound from mic, will be…
swdev
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how to add webrtc aec in pjsip，running on Embedded Linux

i dont konw how build webrtc aec in pjsip，I don't want to download all the code for webrtc, just the aec section，embed cpu is imx6ul，Please give me some guidance, thank you very much
wei li
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How to setup WebRTC AEC on pjsua2 (C++)

I'm struggling with AEC setup on pjsua2. I've setted this…
csguth
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Android's AEC and Noise Suppressor aren't working on some devices

In working on an Android Unity app with VoIP functionality, we've discovered that on some devices (The Galaxy S6 specifically) the microphone will pick up the sounds output by the speaker, leading to a lot of static, distortion, and echo. Because of…
RayBatts
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WebRTC Audio Processing Module (APM) and calculating echo delay for a playback device

I am very new to audio processing. I created a program that records and streams audio one way, and does not record on the other end. Basically, it transmit whatever is recorded in one location to another location. However, there are many…
Mikey A. Leonetti
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Acoustic echo cancellation with WebRTC

I've used WebRTC's AEC module to do echo cancellation,now I encounter a question,that when I do point to point communication,if there are no one to talk in a period of time,and one point to talk again,at this time,the echo will appear,if there are…
user3069869
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Algorithm Echo Canceller in Flash

Does someone know what is the algorithm and architecture/scheme of Echo Canceller in Flash?
user1839652
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Detect acoustic echo or sidetone in sound file or device

I need to detect acoustic echo/sidetone from a unmuted telephone handset. Basically I am calling a telephone handset on my mic muted computer. I then play a sound from the computer to the phone and record the incoming audio from the handset. I need…
user1811117
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