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2. 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 ...

3. Telephone hybrid - Wikipedia

   en.wikipedia.org/wiki/Telephone_hybrid

   Some incorporate acoustic echo cancellation to allow setups with acoustic paths between loudspeakers carrying phone audio and microphones feeding the phone lines. In studio applications, a hybrid needs particularly good send-to-receive isolation. When too much of the host audio appears at the hybrid's output, there will be a number of defects.

4. Adaptive feedback cancellation - Wikipedia

   en.wikipedia.org/wiki/Adaptive_feedback_cancellation

   Sub-band feedback cancellation is a type of adaptive feedback cancellation that relies less on computations and algorithms, but rather uses the signals already in the device to optimize the feedback cancellation. Sub-band feedback cancellations purpose is to make adaptive feedback cancellation cheaper and more widespread. [8]

5. Parrot SA - Wikipedia

   en.wikipedia.org/wiki/Parrot_SA

   It also developed products related to car telephony: Parrot chipsets (including DSP), copyrighted noise reduction and echo cancelling algorithms, Bluetooth software stack, end-user applications (Bluetooth hands free car kits). The products are sold to consumers through retailers, and are also incorporated into vehicles with the factory ...

6. The best smart speakers for seniors in 2023 - AOL

   www.aol.com/lifestyle/best-smart-home-speakers...

   Assistant: Alexa | Connectivity: Bluetooth, Wi-Fi | Spatial audio: Yes | Special features: 8-inch touchscreen Imagine a tablet with a beefy speaker grafted onto the back: That's the Echo Show 8 in ...

7. Logitech Unifying receiver - Wikipedia

   en.wikipedia.org/wiki/Logitech_Unifying_receiver

   Logitech Unifying receiver (older) Logitech Unifying receiver (newer) Unifying logo The Logitech Unifying Receiver is a small dedicated USB wireless receiver, based on the nRF24L-family of RF devices, [1] that allows up to six compatible Logitech human interface devices (such as mice, trackballs, touchpads, and keyboards; headphones are not compatible) to be linked to the same computer using 2 ...