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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. 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]

  4. 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.

  5. 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 ...

  6. Duplex (telecommunications) - Wikipedia

    en.wikipedia.org/wiki/Duplex_(telecommunications)

    Full-duplex audio systems like telephones can create echo, which is distracting to users and impedes the performance of modems. Echo occurs when the sound originating from the far end comes out of the speaker at the near end and re-enters the microphone [a] there and is then sent back to the far end. The sound then reappears at the original ...

  7. Adaptive noise cancelling - Wikipedia

    en.wikipedia.org/wiki/Adaptive_noise_cancelling

    Adaptive noise cancelling is a signal processing technique that is highly effective in suppressing additive interference or noise corrupting a received target signal at the main or primary sensor in certain common situations where the interference is known and is accessible but unavoidable and where the target signal and the interference are unrelated, that is, uncorrelated [1] [2] [3].

  8. LDAC (codec) - Wikipedia

    en.wikipedia.org/wiki/LDAC_(codec)

    LDAC is an alternative to Bluetooth SIG's SBC codec. Its main competitors are Huawei's L2HC, Qualcomm's aptX-HD/aptX Adaptive and the HWA Union/Savitech's LHDC. [1]LDAC utilizes a type of lossy compression [2] [3] by employing a hybrid coding scheme based on the modified discrete cosine transform [4] and Huffman coding [5] to provide more efficient data compression.

  9. Cancel AOL MyBenefits MyPrivacy and/or ... - AOL Help

    help.aol.com/articles/cancel-aol-mybenefits-my...

    It will offer you the option of changing to a lower-priced plan rather than canceling your account. If you'd like to proceed with changing your account to a free AOL account, scroll to the bottom of the page and click Cancel My Billing. 6. Select a reason for canceling from the drop-down menu and then click Cancel My Billing.

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