Method and system for masking speech

Details Method and system for masking speech Method and system for masking speech

2006-11-28

2006-11-28

Lerner, Martin (Department: 2654)

Data processing: speech signal processing, linguistics, language

Speech signal processing

For storage or transmission

C704S278000, C380S275000

Reexamination Certificate

active

07143028

ABSTRACT:
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 phonemes within the speech stream. The segments are then stored in a memory, and some or all of the segments are subsequently selected, retrieved, and assembled into an obfuscated speech signal representing an unintelligble speech stream that, when combined with the speech signal or reproduced and combined with the speech stream, provides a masking effect. While the presently preferred embodiment finds application most readily in an open plan office, embodiments suitable for use in restaurants, classrooms, and in telecommunications systems are also disclosed.

REFERENCES:
patent: 3718765 (1973-02-01), Halaby
patent: 3879578 (1975-04-01), Wildi
patent: 3985957 (1976-10-01), Torn
patent: 4052564 (1977-10-01), Propst et al.
patent: 4068094 (1978-01-01), Schmid et al.
patent: 4099027 (1978-07-01), Whitten
patent: 4195202 (1980-03-01), McCalmont
patent: 4232194 (1980-11-01), Adams
patent: 4280019 (1981-07-01), Propst et al.
patent: 4319088 (1982-03-01), Orfiled
patent: 4476572 (1984-10-01), Horrall et al.
patent: 4802219 (1989-01-01), Tjerlund
patent: 4852170 (1989-07-01), Bordeaux
patent: 4905278 (1990-02-01), Parker
patent: 4937867 (1990-06-01), Kasparian et al.
patent: 5105377 (1992-04-01), Ziegler, Jr.
patent: 5315661 (1994-05-01), Gossman et al.
patent: 5327521 (1994-07-01), Savic et al.
patent: 5355418 (1994-10-01), Kelsey et al.
patent: 6109923 (2000-08-01), Rothenberg

Affiliated with

Also associated with

Rating

Method and system for masking speech does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and system for masking speech, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and system for masking speech will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3655952