Noise Considerations in Sound-Recording Transmission Systems

F. L. Hopper

Noise limitations in sound-recording media are well known. With improved media such as magnetic materials, noise limitations imposed by the recording transmission system require consideration. Noise may be internally generated in the system or may be introduced from extraneous sources by electromagnetic coupling, or circuit exposures to interfering fields. Radio and audio frequency disturbances, crosstalk, thermal noise, shot-effect, microphonics, and alternating current hum are some of the interferences considered.

Print ISSN
Published
1950-02
Content type
Original Research
DOI
10.5594/J11353