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2. Amazon Echo Buds - Wikipedia

   en.wikipedia.org/wiki/Amazon_Echo_Buds

   Amazon Echo Buds; Developer: Amazon: Product family: Echo: Type: Wireless earbuds: Release date: October 30, 2019 () Input: Echo Buds (each) Dual external beam-forming microphones, single internal microphone, accelerometer, proximity, touch: Connectivity: Echo Buds (each) Bluetooth Charging Case micro-USB port: Dimensions: Echo Buds (each) 22 x ...

3. Hearables - Wikipedia

   en.wikipedia.org/wiki/Hearables

   Sensors, to track heart rate, cadence, or to detect proximity. Microphones, to take or make phone calls, or take voice commands. Most of the "Hearables" seen to date are Bluetooth devices that use phones or PCs as the central computing unit. Vinci smart headphones, announced in 2016, [5] incorporated a dual-core CPU, local storage, Wi-Fi, and ...

4. Anechoic chamber - Wikipedia

   en.wikipedia.org/wiki/Anechoic_chamber

   Anechoic chamber. An anechoic chamber ( an-echoic meaning "non-reflective" or "without echoes") is a room designed to stop reflections or echoes of either sound or electromagnetic waves. They are also often isolated from energy entering from their surroundings. This combination means that a person or detector exclusively hears direct sounds (no ...

5. Echo suppression and cancellation - Wikipedia

   en.wikipedia.org/wiki/Echo_suppression_and...

   In response to this, Bell Labs developed echo canceler theory in the early 1960s, which then resulted in laboratory echo cancelers in the late 1960s and commercial echo cancelers in the 1980s. An echo canceller works by generating an estimate of the echo from the talker's signal, and subtracts that estimate from the return path.

6. Echo Binge Hits Nielsen Streaming Chart at No. 4, Ted Also ...

   www.aol.com/echo-binge-hits-nielsen-streaming...

   For a second straight week, Netflix’s Fool Me Once again easily topped Nielsen’s U.S. ranking of streaming originals, this time amassing 2.4 billion minutes viewed across its eight episodes.

7. Spin echo small angle neutron scattering - Wikipedia

   en.wikipedia.org/wiki/Spin_echo_small_angle...

   e. Spin echo small angle neutron scattering (SESANS) measures structures from around 20 to 2000 nm in size. The information is presented as a real-space (similar to g (r)) as opposed to a reciprocal space (q (r)) mapping. This can simplify the interpretation for some systems. [1] SESANS is useful for studying processes that occur over ...