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Autoalarm-Signal,_500_kHz.oga (Ogg Vorbis sound file, length 1 min 9 s, 15 kbps, file size: 126 KB) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
As a ‘smart’ alarm clock it has a 2.4 GHz WiFi connectivity for firmware and content download. Unlike traditional alarm clocks, Alarmo uses a 24 GHz mmWave presence sensor [4] to detect motion during sleep and waking up. [2] The longer the user stays in bed without moving, the louder and more intense the sound of the alarm will become.
WebM is an audiovisual media file format. [5] It is primarily intended to offer a royalty-free alternative to use in the HTML video and the HTML audio elements. It has a sister project, WebP, for images.
Independent, unique sound library with royalty free & free sound effects - for video, sound design, music productions and more. CC0, CC BY Gfx Sounds: Yes Yes Sound library for professional and free sound effects downloads. CC0, CC BY Free To Use Sounds: Yes Yes Sound effects library with hiqh quality field recordings from all around the world.
This video shows radioactivity from an old alarm clock with a luminous dial. A simple geiger counter with a pancake probe is used for the measurements. This a Lexon brand clock, made in the 1960s. It was purchased as a Christmas present at B. Altman & Co., White Plains, NY., in the (early?) 1960s. Date: 5 September 2011: Source
Audio file icons of various formats. An audio file format is a file format for storing digital audio data on a computer system. The bit layout of the audio data (excluding metadata) is called the audio coding format and can be uncompressed, or compressed to reduce the file size, often using lossy compression.
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This is an accepted version of this page This is the latest accepted revision, reviewed on 27 December 2024. Type of clock A traditional wind-up (key-wound), mechanical spring-powered alarm clock An alarm clock or alarm is a clock that is designed to alert an individual or group of people at a specified time. The primary function of these clocks is to awaken people from their night's sleep or ...