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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. Equal-loudness contour - Wikipedia

   en.wikipedia.org/wiki/Equal-loudness_contour

   An equal-loudness contour is a measure of sound pressure level, over the frequency spectrum, for which a listener perceives a constant loudness when presented with pure steady tones. [1] The unit of measurement for loudness levels is the phon and is arrived at by reference to equal-loudness contours. By definition, two sine waves of differing ...

4. Echocardiography - Wikipedia

   en.wikipedia.org/wiki/Echocardiography

   Echocardiography, also known as cardiac ultrasound, is the use of ultrasound to examine the heart. It is a type of medical imaging, using standard ultrasound or Doppler ultrasound. [1] The visual image formed using this technique is called an echocardiogram, a cardiac echo, or simply an echo . Echocardiography is routinely used in the diagnosis ...

5. No swabs: This is the safe way to clean your ears - AOL

   www.aol.com/news/safely-clean-ears-according...

   Eosera Ear Wax MD Kit $ at Walgreens. These ear drops contain glycolic acid and sodium bicarbonate to soften and break down ear wax gently. To use, place a few drops in your ear, wait 15 minutes ...

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. Echo suppression and cancellation - Wikipedia

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

   Echo suppression and echo cancellation are methods used in telephony to improve voice quality by preventing echo from being created or removing it after it is already present. In addition to improving subjective audio quality, echo suppression increases the capacity achieved through silence suppression by preventing echo from traveling across a ...