Continuously Variable Band-Elimination Filter
A band-elimination filter continuously variable within a range from 30 to 9000 cycles has been developed. This device has proved extremely useful for the elimination of interference frequencies in the production of sound for motion pictures.
- Print ISSN
- 0097-5834
- Published
- 1948-08
- Content type
- Original Research
- DOI
- 10.5594/J11767
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