SoundScriber
Encyclopedia
SoundScriber Disc was a dictation
Dictation
Dictation can refer to:*Dictation , when one person speaks while another person transcribes what is spoken.*A dictation machine, a device used to record speech for transcription....

 format introduced in 1945 by The SoundScriber Corp. (New Haven). It recorded sound by "pressing" grooves into soft vinyl
Vinyl
A vinyl compound is any organic compound that contains a vinyl group ,which are derivatives of ethene, CH2=CH2, with one hydrogen atom replaced with some other group...

 discs. Competing products were the Gray Audograph
Gray Audograph
The Gray Audograph was a dictation format introduced in 1945. It recorded sound by pressing grooves into soft vinyl discs , like the competing, but incompatible, SoundScriber...

 and Dictaphone DictaBelt
Dictabelt
The Dictabelt or Memobelt was a form of recording medium introduced by the American Dictaphone company in 1947. It used a type of "Write Once - Read Many" medium consisting of a thin, plastic belt 3.5" wide that was placed on a cylinder and spun like a tank tread. The needle would then move slowly...

.

The format remained popular for two decades, due in part to the robustness of the discs and the ease with which they could be mailed. The green discs with their characteristic square center hole came in two sizes, 6 inches (known as "Mail Chute") that played for fifteen minutes, and 4-inch "Memo Discs" with eight minutes of recording time. The soft medium made it so that the disc could not be played back a lot of times.

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