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2. Phonautograph - Wikipedia

   en.wikipedia.org/wiki/Phonautograph

   The phonautograph is the earliest known device for recording sound. Previously, tracings had been obtained of the sound-producing vibratory motions of tuning forks and other objects by physical contact with them, but not of actual sound waves as they propagated through air or other mediums. Invented by Frenchman Édouard-Léon Scott de ...

3. Camtasia - Wikipedia

   en.wikipedia.org/wiki/Camtasia

   Camtasia ( / kæmˈteɪʒə /; 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, webcam ...

4. History of sound recording - Wikipedia

   en.wikipedia.org/wiki/History_of_sound_recording

   The history of sound recording - which has progressed in waves, driven by the invention and commercial introduction of new technologies — can be roughly divided into four main periods: The Acoustic era (1877–1925) The Electrical era (1925–1945) The Magnetic era (1945–1975)

5. SimpleScreenRecorder - Wikipedia

   en.wikipedia.org/wiki/SimpleScreenRecorder

   SimpleScreenRecorder can capture a video and audio recording of the entire computer screen or part of it [4] or record OpenGL applications directly. The program reduces the frame rate of the video if the computer its running on is too slow. The program can pause and resume recording by pressing a hotkey. The program also shows statistics about ...

6. The Photo-Drama of Creation - Wikipedia

   en.wikipedia.org/wiki/The_Photo-Drama_of_Creation

   The Photo-Drama of Creation, or Creation-Drama, is a four-part audiovisual presentation (eight hours in total) produced by the Watch Tower Bible and Tract Society of Pennsylvania under the direction of Charles Taze Russell, the founder of the Bible Student movement. The presentation presents their beliefs about God's plan from the creation of ...

7. Reel-to-reel audio tape recording - Wikipedia

   en.wikipedia.org/wiki/Reel-to-reel_audio_tape...

   Nagra introduced digital reel-to-reel tape recorders for use in film sound recording. Best known for its lines of tape media and professional analog recorders, with its M series of multitrack and 2-track machines, the Mincom division of 3M spent several years developing a digital recording system, including two years of joint research with the BBC.