VOICE ENCRYPTION SYSTEM

Patent №

US 4,232,194

Granted

1980-11-04

Filed 1979

Owner

WHITTAKER CORPORATION, A DE CORP.

Lab

—

AI components

speech

Assignment

Recorded

Dataset

AIPD

2023_r1 edition

Application

06021255

View graph

An apparatus and method of voice encryption uses segment swapping. Features of the invention include weighting the input time-function segments by a Hamming or Hanning Window function, before converting to frequency domain segments.

SpeechH04K 1/06H04K 1/00

Google Patents

AI classification

Speech1.00

Machine learning0.33

Natural language0.01

AI hardware0.00

Vision0.00

Evolutionary computation0.00

Knowledge representation0.00

Planning0.00

Ownership

WHITTAKER CORPORATION, A DE CORP.

assignment · 61490750

Cited by (22)

METHODS, APPARATUS AND SYSTEMS FOR DETERMINING RECONSTRUCTED AUDIO SIGNALUS 10,269,362 · 2019 Methods, Apparatus and Systems for Determining Reconstructed Audio SignalUS 9,947,328 · 2018 Reconstructing an Audio Signal Having a Baseband and High Frequency Components Above the BasebandUS 9,653,085 · 2017 High Frequency Regeneration of an Audio Signal with Temporal ShapingUS 9,466,306 · 2016 High Frequency Regeneration of an Audio Signal with Temporal ShapingUS 9,412,388 · 2016 Reconstructing an Audio Signal with a Noise ParameterUS 9,343,071 · 2016 Reconstructing an Audio Signal with a Noise ParameterUS 9,324,328 · 2016 Reconstructing an Audio Signal By Spectral Component Regeneration and Noise BlendingUS 9,177,564 · 2015 RECONSTRUCTING AN AUDIO SIGNAL BY SPECTRAL COMPONENT REGENERATION AND NOISE BLENDINGUS 8,457,956 · 2013 CIRCULAR FREQUENCY TRANSLATION WITH NOISE BLENDINGUS 8,285,543 · 2012 BROADBAND FREQUENCY TRANSLATION FOR HIGH FREQUENCY REGENERATIONUS 8,126,709 · 2012 METHOD AND SYSTEM FOR MASKING SPEECHUS 7,505,898 · 2009 METHOD AND APPARATUS OF OVERLAPPING AND SUMMING SPEECH FOR AN OUTPUT THAT DISRUPTS SPEECHUS 7,376,557 · 2008 DISRUPTION OF SPEECH UNDERSTANDING BY ADDING A PRIVACY SOUND THERETOUS 7,363,227 · 2008 METHOD AND SYSTEM FOR MASKING SPEECHUS 7,184,952 · 2007 METHOD AND SYSTEM FOR MASKING SPEECHUS 7,143,028 · 2006 SPEED ENHANCED CRYPTOGRAPHIC METHOD AND APPARATUSUS 7,031,468 · 2006 EXTERNALLY CUED AIRCRAFT WARNING AND DEFENSEUS 6,980,152 · 2005 METHOD FOR ENCRYPTING AND DECRYPTING DATA USING CHAOTIC MAPSUS 6,064,738 · 2000 SCUBA DIVING VOICE AND COMMUNICATION SYSTEM USING BONE CONDUCTED SOUNDUS 5,706,251 · 1998 CONFIDENTIAL COMMUNICATION SYSTEMUS 4,817,141 · 1989 Patent US 4,591,673US 4,591,673

Related research

Discrete Unit Based Masking For Improving Disentanglement in Voice ConversionOpenAlex Joint source-cryptographic-channel coding for real-time secure voice communications on voice channelsOpenAlex A Reconfigurable Codec for Secure Voice CommunicationOpenAlex A Novel Syllable-Level Signal Encryption for Robust Secure Speech Communication SystemOpenAlex A Voice Disguise Communication System Based on Real-Time Voice ConversionOpenAlex

Full text

Google Patents