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Questions tagged [aec]

Acoustic Echo Cancellation, a feature of Adobe Flash.

68 questions
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Why does get_capture_delay include rsmp_delay,

guys. I am studying AEC for android and more specificly,I am studying HAL for tuna project. code: audio_hw.c static void get_capture_delay(struct tuna_stream_in *in, size_t frames, struct…
Dongguo
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Proper way to use WebRtcAecm functions

I am trying to understand how to properly use two WebRtcAecm functions. It seems there are the two main functions that are used for echo cancellation on mobile. The first one is WebRtcAecm_BufferFarend: int32_t WebRtcAecm_BufferFarend(void*…
Peter
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Transferring PayPal Recurring Subscription from Joomla to Wordpress

I am migrating a website with Joomla /AEC Subscription Manager (with PayPal Recurring Payments) to Wordpress with WPMU Membership plugin http://premium.wpmudev.org/project/membership/. I'm trying to figure out if it's possible to migrate the…
Stewart
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Audio is also be cancelled which overlap with acoustic echo when using WebRtc_Aecm on Android

As an example: PCM captured by microphone: 1, {2,3} {4,5} {6,7}, 8, 9, {A,B} means A is the audio data I really want to capture, B is the echo at the same time. A and B both captured by mic at the same time. The issue I encounter: the audio 2, 4 and…
Zachary
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Echo Cancellation: Microphone as Voice input, MP3 as Output

I'm currently working on an Application which is observing the microphone's input, but at the same time has to be able to play a specific MP3 song via Loudspeakers. The problem I'm currently facing is that as soon as I play the MP3 back, the…
damian
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Acoustic Echo Cancellation

Does anybody know an AEC for Android that works with just one speaker? Let's say I talk into my Android phone which streams the audio data to a PC which outputs these data immediately on speakers. So I will hear my own voice. I am not sure if…
telandor
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Does DirectSound usually support echo cancellation and noise reduction?

I'm currently using the waveInOpen set of Windows API functions to record audio for a VOIP application. I'm now being asked to add echo cancellation, and possibly noise reduction, and gain control. I know nothing about DirectSound, but while…
eselk
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ALSA: combining type "Dsnoop" with type "fifo"

I am trying to get my Linux audio system to handle audio via ALSA. These are the requirements Handle echo cancellation - I am using https://github.com/voice-engine/ec, following the steps mentioned and it works independently without a…
CNCoder
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