1
W Daniel Hillis, Bran Ferren, Russel Howe, Brian Eno: Method and system for masking speech. Applied Minds, Michael A Glenn, Glenn Patent Group, November 28, 2006: US07143028 (72 worldwide citation)

A simple and efficient method for producing an obfuscated speech signal which may be used to mask a stream of speech, is disclosed. A speech signal representing the speech stream to be masked is obtained. The speech signal is then temporally partitioned into segments, preferably corresponding to pho ...


2
W Daniel Hillis, Bran Ferren, Russel Howe, Brian Eno: Method and system for masking speech. Glenn Patent Group, January 29, 2004: US20040019479-A1

A simple and efficient method for producing an obfuscated speech signal which may be used to mask a stream of speech, is disclosed. A speech signal representing the speech stream to be masked is obtained. The speech signal is then temporally partitioned into segments, preferably corresponding to pho ...