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SPEECH SCRAMBLING EMPLOYING ADAPTIVE RATE SAMPLING
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UNSPECIFIED (1991) SPEECH SCRAMBLING EMPLOYING ADAPTIVE RATE SAMPLING. ELECTRONICS LETTERS, 27 (12). pp. 1076-1078. ISSN 0013-5194.
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Abstract
A new speech scrambling technique is described. The speech is spectrally scrambled at the transmitter to produce a defined multiple bandpass structure. The reconstruction 'key' comprises a knowledge of the spectral frequency bands of the scrambled elements together with a unique sampling rate which will allow correct recombination of these elements. To prevent unauthorised reconstruction, the bandpass structure and sampling rate can be changed irregularly according to an appropriate key sequence.
Item Type: | Journal Article | ||||
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Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | ||||
Journal or Publication Title: | ELECTRONICS LETTERS | ||||
Publisher: | IEE-INST ELEC ENG | ||||
ISSN: | 0013-5194 | ||||
Official Date: | 6 June 1991 | ||||
Dates: |
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Volume: | 27 | ||||
Number: | 12 | ||||
Number of Pages: | 3 | ||||
Page Range: | pp. 1076-1078 | ||||
Publication Status: | Published |
Data sourced from Thomson Reuters' Web of Knowledge
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