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  2. Sound recording and reproduction - Wikipedia

    en.wikipedia.org/wiki/Sound_recording_and...

    Digital recording and reproduction converts the analog sound signal picked up by the microphone to a digital form by the process of sampling. This lets the audio data be stored and transmitted by a wider variety of media. Digital recording stores audio as a series of binary numbers (zeros and ones) representing samples of the amplitude of the ...

  3. Microsoft PowerPoint - Wikipedia

    en.wikipedia.org/wiki/Microsoft_PowerPoint

    Microsoft PowerPoint is a presentation program, [ 8 ] created by Robert Gaskins, Tom Rudkin and Dennis Austin [ 8 ] at a software company named Forethought, Inc. [ 8 ] It was released on April 20, 1987, [ 9 ] initially for Macintosh computers only. [ 8 ]

  4. Camtasia - Wikipedia

    en.wikipedia.org/wiki/Camtasia

    Camtasia (/ k æ m ˈ t eɪ ʒ ə /; formerly Camtasia Studio [3] and Camtasia for Mac [4]) is a software suite, created and published by TechSmith, for creating and recording video tutorials and presentations via screencast (screen recording), or via a direct recording plug-in to Microsoft PowerPoint. Other multimedia recordings (microphone ...

  5. Audio engineer - Wikipedia

    en.wikipedia.org/wiki/Audio_engineer

    An audio engineer with audio console, at a recording session at the Danish Broadcasting Corporation. An audio engineer (also known as a sound engineer or recording engineer) [1] [2] helps to produce a recording or a live performance, balancing and adjusting sound sources using equalization, dynamics processing and audio effects, mixing, reproduction, and reinforcement of sound.

  6. Voice-over - Wikipedia

    en.wikipedia.org/wiki/Voice-over

    A man recording a voice-over. Voice-over (also known as off-camera or off-stage commentary) is a production technique used in radio, television, filmmaking, theatre, and other media in which a descriptive or expository voice that is not part of the narrative (i.e., non- diegetic) accompanies the pictured or on-site presentation of events. [1]

  7. Screencast - Wikipedia

    en.wikipedia.org/wiki/Screencast

    A screencast is a digital recording of computer screen output, also known as a video screen capture or a screen recording, often containing audio narration. [1] The term screencast compares with the related term screenshot; whereas screenshot generates a single picture of a computer screen, a screencast is essentially a movie of the changes over time that a user sees on a computer screen, that ...

  8. History of sound recording - Wikipedia

    en.wikipedia.org/wiki/History_of_sound_recording

    Many pioneering attempts to record and reproduce sound were made during the latter half of the 19th century – notably Édouard-Léon Scott de Martinville 's phonautograph of 1857 – and these efforts culminated in the invention of the phonograph by Thomas Edison in 1877. Digital recording emerged in the late 20th century and has since ...

  9. Podcast - Wikipedia

    en.wikipedia.org/wiki/Podcast

    Podcast. A podcast is a program made available in digital format for download over the Internet. [1][2][3] Typically, a podcast is an episodic series of digital audio files that users can download to a personal device to listen to at a time of their choosing. Podcasts are primarily an audio medium, [4] but some distribute in video, either as ...

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