Sound recording technology

analog or digital electronic device for recording sound on magnetic tape

sound recording device most commonly used to record speech for later playback or to be typed into print

thumb|250px|right|An early phonautograph (1859). The barrel, for receiving sound, is made of plaster of Paris.

piece of music that has been placed on a CD, audio cassette, LP record or other recorded medium in such a way as to avoid detection by the casual listener

Type of signal processing filter

NiCE is an American technology company specializing in customer relations management software (NiCE CXone), artificial intelligence, and digital and workforce engagement management.

thumb|upright=1.5|A signal before (top) and after μ-law algorithm|μ-law compression (bottom)

audio signal conversion device

noise protection filter for microphones

hollow enclosure used to produce reverberated sounds

technical research centre in Tokyo, Japan

thumb|Archéophone in Statsbiblioteket in [[Aarhus, Denmark]] The Archéophone is a modern, electric version of the phonographs and ediphones from the 19th and early 20th century. It is specifically designed to transfer phonograph cylinders and other cylinder formats to modern recording media.

history of optical recording

thumb|300px|right|Tonschreiber from a German radio station in World War II. Magnetophon was the brand or model name of the pioneering reel-to-reel tape recorder developed by engineers of the German electronics company AEG in the 1930s, based on the magnetic tape invention by Fritz Pfleumer. AEG created the world's first practical tape recorder, the K1, first demonstrated in Germany in 1935 at the Berlin Radio Show.

U.S. National Historic Landmark research laboratory