modulated groove造句

Original master discs are created by lathe-cutting : a lathe is used to cut a modulated groove into a blank record.
The sound-vibrated center of the diaphragm was linked to a cutting stylus that was guided across the surface of a very thick wax disc, engraving a sound-modulated groove into its surface.
In the recording process, a sufficiently amplified audio signal was sent to a heavily weighted electromagnetic recording head with a blunt diamond stylus that indented, rather than cut or engraved, a sound-modulated groove into the surface of the metal.
Inventor Thomas Edison, who always favored the cylinder for all its advantages, also cut his discs with vertically modulated grooves from their introduction in 1912 until a year or two before his company's demise in 1929 ( Edison Disc Records ).
The acoustic energy from the voices and / or instruments was channeled through the horn's diaphragm to a mechanical cutting lathe located in the next room, which inscribed the signal as a modulated groove directly onto the surface of the master cylinder or disc.
It's difficult to find modulated groove in a sentence. 用modulated groove造句挺难的

In April 1933, an early television enthusiast used a Silvatone home recording outfit, which indented a signal-modulated groove into a bare aluminium disc and was intended for recording sound, to capture the video signal from an actual BBC 30-line 12.5 frames per second live broadcast.
Unlike ordinary vinyl records, which are quickly formed from lumps of plastic by a mass-production molding process, a so-called acetate disc is created by using a recording lathe to cut an audio-signal-modulated groove into the surface of a special lacquer-coated blank disc, a real-time operation requiring expensive, delicate equipment and expert skill for good results.
"Gramophone ", Berliner's trademark name, was abandoned in the US in 1900 because of legal complications, with the result that in American English Gramophones and Gramophone records, along with disc records and players made by other manufacturers, were long ago brought under the umbrella term " phonograph ", a word which Edison's competitors avoided using but which was never his trademark, simply a generic term he introduced and applied to cylinders, discs, tapes and any other formats capable of carrying a sound-modulated groove.