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  2. List of UWB-enabled mobile devices - Wikipedia

    en.wikipedia.org/wiki/List_of_UWB-enabled_mobile...

    Ultra-wideband (UWB, ultra wideband, ultra-wide band and ultraband) is a radio technology that can use a very low energy level for short-range, high-bandwidth communications over a large portion of the radio spectrum. The following is a list of devices that support the technology from various UWB silicon providers.

  3. Wideband audio - Wikipedia

    en.wikipedia.org/wiki/Wideband_audio

    As business telephone systems have adopted VoIP technology, support for wideband audio has grown rapidly. Telephone sets from Avaya, Cisco, NEC Unified Solutions, Grandstream, Gigaset, Panasonic (which brands wideband audio "HD Sonic"), Polycom (which brands wideband audio "HD Voice"), Snom, AudioCodes (which brands wideband audio "HDVoIP") and others now incorporate G.722, as well as varying ...

  4. Ultra-wideband - Wikipedia

    en.wikipedia.org/wiki/Ultra-wideband

    Ultra-wideband (UWB, ultra wideband, ultra-wide band and ultraband) is a radio technology that can use a very low energy level for short-range, high-bandwidth communications over a large portion of the radio spectrum. [1] UWB has traditional applications in non-cooperative radar imaging.

  5. Adaptive Multi-Rate Wideband - Wikipedia

    en.wikipedia.org/wiki/Adaptive_Multi-Rate_Wideband

    The lowest bit rate providing excellent speech quality in a clean environment is 12.65 kbit/s. Higher bit rates are useful in background noise conditions and for music. Also, lower bit rates of 6.60 and 8.85 kbit/s provide reasonable quality, especially when compared to narrow-band codecs.

  6. Wideband - Wikipedia

    en.wikipedia.org/wiki/Wideband

    The term Wideband Audio or (also termed HD Voice or Wideband Voice) denotes a telephony using a wideband codec, which uses a greater frequency range of the audio spectrum than conventional voiceband telephone calls, resulting in a clearer sound. Wideband in this context is usually considered to cover frequencies in the range of 50–7,000 Hz ...

  7. Adaptive Multi-Rate audio codec - Wikipedia

    en.wikipedia.org/wiki/Adaptive_Multi-Rate_audio...

    The Adaptive Multi-Rate (AMR, AMR-NB or GSM-AMR) audio codec is an audio compression format optimized for speech coding. AMR is a multi-rate narrowband speech codec that encodes narrowband (200–3400 Hz) signals at variable bit rates ranging from 4.75 to 12.2 kbit/s with toll quality [ 3 ] speech starting at 7.4 kbit/s.

  8. Apple Lossless Audio Codec - Wikipedia

    en.wikipedia.org/wiki/Apple_Lossless_Audio_Codec

    The Apple Lossless Audio Codec (ALAC, / ə ˈ l æ k /), also known as Apple Lossless, or Apple Lossless Encoder (ALE), is an audio coding format, and its reference audio codec implementation, developed by Apple Inc. for lossless data compression of digital music.

  9. Sound quality - Wikipedia

    en.wikipedia.org/wiki/Sound_quality

    Sound quality is typically an assessment of the accuracy, fidelity, or intelligibility of audio output from an electronic device. Quality can be measured objectively, such as when tools are used to gauge the accuracy with which the device reproduces an original sound; or it can be measured subjectively, such as when human listeners respond to ...