Informer · October 24, 2018

Acoustic Echo Cancellation Windows 10 Pro
Noise Suppression And Acoustic Echo Cancellation Windows 10
Voice Cancellation In Windows 10

One day I opened Youtube, clicked on one video that I can‘t remember now and the flick started playing with echo. I mean, the sound was with echo on Windows 10 platform. At first my thought was – somebody messed up the sound configuration while making the video. So I listened to it (the sound was somewhat similar to coming out of a cave) and din‘t bother much. Next time I tried to listed – the same thing happened. Youtube problem? No way, all the digital audio whether video or simple MP3 were with echo.

To cut things short, after Windows 10 update my Realtek audio somehow „decided“ that my current sound environment was no longer suitable for me and changed it to „arena“ effects. That was the cause of the cave/ arena sound. I also browsed some forums and there were also other causes for this weird cave sound coming from headphones. Some people reported that after updating their audio drivers they got rid of the echo. Well, I will bring up what worked for me.

To change that annoying echo sound on Windows 10 (or check if it‘s enabled) follow these steps:

I mean, the sound was with echo on Windows 10 platform. At first my thought was – somebody messed up the sound configuration while making the video. So I listened to it (the sound was somewhat similar to coming out of a cave) and din‘t bother much. The Acoustic Echo Cancellation (AEC) block is designed to remove echoes, reverberation, and unwanted added sounds from a signal that passes through an acoustic space. As shown in the diagram below, the sound coming from the remote person speaking, known as the Far End In, is sent in parallel to a DSP path and to an acoustic path. Acoustic Echo Cancellation: EchoStop™ is a full duplex acoustic echo cancelation algorithm enabling both the speaker to broadcast and microphone to transmit simultaneously, turning your PC into a high quality speakerphone. Acoustic Echo Cancellation (AEC) Acoustic Echo Cancellation (AEC) improves audio quality by removing echo, after it after it is already present in the audio stream. Noise Suppression (NS) Noise Suppression (NS) suppresses noise such as humming and buzzing, when it is present in the audio stream. Automatic Gain Control (AGC). Acoustic Echo Cancellation VOCAL’s acoustic echo cancellation algorithm estimates the transfer function of the acoustic environment from the enclosed loudspeaker to the device microphone and cancels received echoes from the microphone signal. Constraints include the volume of the enclosure, the required bandwidth, and the tolerable delay.

1. Right click on the sound icon on the right and click on open sound settings:

2. In the next window select your output device and click on device properties.
3. In newly opened Realtek (that‘s my sound card, yours could be different) digital output properties window click on Enhancements tab and choose None in the Settings field. Then click OK and Apply and this should fix it.

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Mine was set to Arena, you can also notice a Cave settings. So yeah, the sound coming from a cave in Windows 10 is the real deal – it exists. 🙂

Acoustic Echo Cancellation (AEC) software is used in Radio, Mobile, VoIP and Voice communications.

Standard 8kHz and wideband audio
ITU G.167 compliant
Meets VOCAL’s proprietary standards
Optimized for DSP, ARM and other processors
Custom AEC solutions available

VOCAL’s Acoustic Echo Cancellation software is available as a standalone algorithm, a library, with a VoIP stack and our Voice Quality Enhancement System. The source code is optimized for DSPs and conventional processors from TI, ADI, ARM, AMD, Intel and other leading vendors. Our AEC software is used in millions of installations world-wide, including public telephone systems, VoIP products, speakerphones, intercoms and other products. Contact us to discuss your Acoustic Echo Cancellation application requirements.

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Acoustic Echo Cancellation

VOCAL’s acoustic echo cancellation algorithm estimates the transfer function of the acoustic environment from the enclosed loudspeaker to the device microphone and cancels received echoes from the microphone signal. Constraints include the volume of the enclosure, the required bandwidth, and the tolerable delay.

VOCAL’s embedded software libraries include a complete range of ETSI / ITU / IEEE compliant algorithms as well as many other standard and proprietary algorithms. Our acoustic echo cancellation and noise control software is modular and can be executed as a single task under a variety of operating systems or standalone with its own microkernel. Our extensive experience in the optimization and tuning of acoustic echo cancellation algorithms for ANSI C and DSP architectures means that we can provide our customers unparalleled technical support.

Software Features

ITU G.167 Recommendation compliant
Passes rigorous proprietary tests
Rapid convergence
Double talk detection
Low divergence during double talk
Fast re-convergence for echo path changes
Long configurable echo tail length (up to 256ms)
Automatic echo delay estimation
Anti-howling
Non-linear Processing (NLP)
Built-in Noise Reduction
Comfort Noise Generation (CNG)
Supports user callable functions
Optimized for ANSI C and leading DSP architectures

Audio Examples

Acoustic Echo Canceller

More Information

Echo Cancellation Design
G.167 AEC software
Adaptive Acoustic Echo Cancellation
Stereophonic / Multichannel Challenges
Cross-Correlations
Applications for Commercial Off-the-Shelf (COTS) Hardware
Anti-howling Software

Platforms

VOCAL’s optimized software is available for the following platforms. Please contact us for specific Acoustic Echo Cancellation supported platforms and performance data.

ProcessorsOperating Systems

Texas Instruments – C6xx (TMS320C62x, TMS320C64x, TMS320C645x, TMS320C66x, TMS320C67x), DaVinci, OMAP, C5xx (TMS320C54x, TMS320C55x)
Analog Devices – Blackfin, ADSP-21xx, TigerSHARC, SHARC
PowerPC, PowerQUICC
MIPS – MIPS32, MIPS64, MIPS4Kc
ARM – ARM7, ARM9, ARM9E, ARM10E, ARM11, StrongARM, ARM Cortex-A8/A9, Cortex-M3/M4
Intel / AMD – x86, x64 (both 32 and 64 bit modes)

Linux, uClinux, BSD, Unix
Microsoft Windows ACM / RTC / CE / Mobile
Apple iOS / iPhone / iPad & MacOS
eCOS / eCOSPro
Google Android
Green Hills Integrity
Micrium μCOS
Symbian
Wind River VxWorks
VOCAL LANsEND

VOCAL Technologies, Ltd.
520 Lee Entrance, Suite 202

Acoustic Echo Cancellation Windows 10 Pro

Buffalo, NY 14228
Phone: +1 716-688-4675
Fax: +1