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How to enable Sound Detection for Alexa Routines
https://www.msn.com/en-us/lifestyle/shopping/how-to-enable-sound-detection-for-alexa-routines/ar-AATrJ6A
Echo and Echo Dot speakers get motion detection ...
https://www.theverge.com/2021/11/12/22779044/amazon-echo-speakers-ultrasound-people-detection
Newer Echo speakers can now detect motion and use it to trigger Routines. The ultrasound-based technology can be turned on or off in the Alexa app. Echos speakers can now know when you’re home.
Your audio device may cause an echo - support.microsoft.com
https://support.microsoft.com/en-us/office/your-audio-device-may-cause-an-echo-124e3b6c-6d01-4db2-94a3-75c0ecc289c3
Click Start, and then click Control Panel. In Control Panel, click Hardware and Sound, and then click Sound. In the Sounddialog box, on the Recordingtab, select your microphone, and then click Properties. In the Microphone Propertiesdialog box, on the Levelstab, uncheck the Microphone Boostcheck box (if available).
Eliminating echos with proximity detection – Zoom Support
https://support.zoom.us/hc/en-us/articles/216281983-Eliminating-echos-with-proximity-detection
Zoom desktop client uses ultrasonic sound to detect proximity to a Zoom Room or another device joined into the meeting. Zoom Desktop Client will automatically disable computer audio to prevent audio echo in a Zoom Room. Prerequisites. Zoom Rooms for Mac or PC/Touch version 3.6 and higher; Zoom Rooms iPad controller version 3.6 and higher
Audio Quality and Acoustic Echo Issues for VOIP on ...
https://www.cs.columbia.edu/~hgs/research/projects/echo-detection/Audio%20Quality%20and%20Acoustic%20Echo%20Issues%20for%20VOIP%20on%20Portable%20Devices.pdf
Acoustic echo detection and control constitute a very complex and tricky domain of research. Work is ongoing on these topics since a few decades [3], but the continuous evolution in devices, platforms and use conditions always creates new challenges. In this paper we do not intend to present a comprehensive review of acoustic echo control, but 2
Pre-Echo Detection & Reduction
https://dspace.mit.edu/bitstream/handle/1721.1/36465/31317829-MIT.pdf;sequence=2
detector divides the audio into small sections and calculates the variance within each section. In a transient situation, the variance suddenly increases from one section to the next. So if the detector compares a section of audio with previous sections
'Alexa' isn't the only thing your Amazon Echo can listen ...
https://www.msn.com/en-us/news/technology/alexa-can-listen-for-sounds-then-respond-any-way-youd-like-heres-the-why-and-how-of-it/ar-AAKx4ot
Here, we'll show you how to use Alexa's Sound Detection feature to trigger a routine, plus provide examples for each type of sound your Amazon Echo can currently detect (in case you're wondering ...
New Alexa features: Sound detection, refill medications ...
https://www.komando.com/technology/new-alexa-features-november-2021/818232/
Echo is a distortion of voice that occurs either when you ...
https://www.webrtc-experiment.com/pdf/Echo-in-WebRTC-Why.pdf
It is said that echo occurs when sound from the speakers is picked up by the audio input devices i.e. microphones. You need to place both devices away from each other. People usually suggest to mute participants' audio while they're idle. Remember, voice-activity-detection is "already" enabled by default on chrome.
Mic Test
Please say “Hello” or make some noise. The tester records the sound captured by your mic and you will be able to playback it after testing is complete. A microphone was detected. Press “Test my mic” to check the functionality and supported properties of your microphone. Several microphones were detected.
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