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  2. Sound Recorder (Windows) - Wikipedia

    en.wikipedia.org/wiki/Sound_Recorder_(Windows)

    Before Windows 7, Sound Recorder could save the recorded audio in waveform audio (.wav) container files.Sound Recorder could also open and play existing .wav files. To successfully open compressed .wav files in Sound Recorder, the audio codec used by the file must be installed in the Audio Compression Manager (ACM); Windows installations dating back to at least Windows 95 came with a selection ...

  3. HomePod - Wikipedia

    en.wikipedia.org/wiki/HomePod

    The HomePod received mixed reviews: it was praised for its design and sound quality compared to other speakers of its price, and criticized for lack of third-party support and high price compared to other smart speakers. The first-generation HomePod sold an estimated 1 to 3 million units through August 2018. It was discontinued on March 12 ...

  4. HomePod Mini - Wikipedia

    en.wikipedia.org/wiki/HomePod_Mini

    The HomePod Mini is based on the Apple S5 system in a package also used for the Apple Watch Series 5 and SE. It improves Continuity and Handoff integration, enables Siri to recognize up to six people's voices and personalizing responses to each one, and adds the Intercom feature — also available on iPhones, iPads, and Apple Watches — enabling users with more than one HomePod to communicate ...

  5. Atmospheric sounding - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_sounding

    Atmospheric sounding or atmospheric profiling is a measurement of vertical distribution of physical properties of the atmospheric column such as pressure, temperature, wind speed and wind direction (thus deriving wind shear), liquid water content, ozone concentration, pollution, and other properties.

  6. Thermoacoustic heat engine - Wikipedia

    en.wikipedia.org/wiki/Thermoacoustic_heat_engine

    The critical temperature gradient is a value that depends on characteristics of the device such as frequency, cross-sectional area and gas properties. If the temperature gradient operator exceeds one, the mean temperature gradient is larger than the critical temperature gradient and the stack operates as a prime mover.

  7. Present weather sensor - Wikipedia

    en.wikipedia.org/wiki/Present_weather_sensor

    The present weather sensor (PWS) is a component of an automatic weather station that detects the presence of hydrometeors and determines their type (rain, snow, drizzle, etc.) and intensity. It works on a principle similar to a bistatic radar , noting the passage of droplets, or flakes, between a transmitter and a sensor.

  8. Sound pressure - Wikipedia

    en.wikipedia.org/wiki/Sound_pressure

    While 1 atm (194 dB peak or 191 dB SPL) [11] [12] is the largest pressure variation an undistorted sound wave can have in Earth's atmosphere (i. e., if the thermodynamic properties of the air are disregarded; in reality, the sound waves become progressively non-linear starting over 150 dB), larger sound waves can be present in other atmospheres ...