ATE527768T1 - Verschlüsselung von informationssignalen - Google Patents

Verschlüsselung von informationssignalen

Info

Publication number
ATE527768T1
ATE527768T1 AT08390001T AT08390001T ATE527768T1 AT E527768 T1 ATE527768 T1 AT E527768T1 AT 08390001 T AT08390001 T AT 08390001T AT 08390001 T AT08390001 T AT 08390001T AT E527768 T1 ATE527768 T1 AT E527768T1
Authority
AT
Austria
Prior art keywords
subbands
information signals
analysis
subband
filters
Prior art date
Application number
AT08390001T
Other languages
English (en)
Inventor
Anastasis Kounoudes
Demosthenis Doumenis
Nikolaos Doukas
Original Assignee
Signalgenerix Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Signalgenerix Ltd filed Critical Signalgenerix Ltd
Application granted granted Critical
Publication of ATE527768T1 publication Critical patent/ATE527768T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • H04K1/04—Secret communication by frequency scrambling, i.e. by transposing or inverting parts of the frequency band or by inverting the whole band

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AT08390001T 2008-10-17 2008-10-17 Verschlüsselung von informationssignalen ATE527768T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08390001A EP2178235B1 (de) 2008-10-17 2008-10-17 Verschlüsselung von Informationssignalen

Publications (1)

Publication Number Publication Date
ATE527768T1 true ATE527768T1 (de) 2011-10-15

Family

ID=40427843

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08390001T ATE527768T1 (de) 2008-10-17 2008-10-17 Verschlüsselung von informationssignalen

Country Status (3)

Country Link
EP (1) EP2178235B1 (de)
AT (1) ATE527768T1 (de)
CY (1) CY1112183T1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9935604B2 (en) * 2015-07-06 2018-04-03 Xilinx, Inc. Variable bandwidth filtering
US11799657B2 (en) * 2018-07-10 2023-10-24 Cirrus Logic Inc. System and method for performing biometric authentication

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1465923A (en) * 1973-04-03 1977-03-02 Siemens Ag Camouflaged speech signal transmission systems
CA1288182C (en) * 1987-06-02 1991-08-27 Mitsuhiro Azuma Secret speech equipment
US4829378A (en) * 1988-06-09 1989-05-09 Bell Communications Research, Inc. Sub-band coding of images with low computational complexity

Also Published As

Publication number Publication date
EP2178235B1 (de) 2011-10-05
CY1112183T1 (el) 2015-12-09
EP2178235A1 (de) 2010-04-21

Similar Documents

Publication Publication Date Title
ATE456847T1 (de) Klassifizierung von audiosignalen
SE0400998D0 (sv) Method for representing multi-channel audio signals
WO2006023770A3 (en) Methods and apparatus for generating signatures
AR080477A1 (es) Aparato y metodo para procesar una senal de audio entrada utilizando bancos de filtro en cascada
WO2007044377A3 (en) Neural network classifier for seperating audio sources from a monophonic audio signal
CN101578654B (zh) 用于恢复多通道音频信号的设备和方法
DK1787284T3 (da) Indretning og fremgangsmåde til robust klassificering af audiosignaler samt fremgangsmåde til oprettelse og drift af en audiosignaldatabase samt computerprogram
MY152397A (en) Apparatus and method for converting an audio signal into a parameterized representation, apparatus and method for modifying a parameterized representation, apparatus and method for synthesizing a parameterized representation of an audio signal
CA2699004A1 (en) A method and an apparatus of decoding an audio signal
BRPI0514620A8 (pt) Método e aparelho para processar um conjunto de n sinais de áudio
TW200611588A (en) Method, device and encoder apparatus, decoder apparatus and audio system
RU2011147676A (ru) Эффективное комбинированное гармоническое преобразование
WO2010036062A3 (en) A method and an apparatus for processing a signal
RU2008114359A (ru) Аудиокодирование
MY179136A (en) Apparatus and method for multichannel direct-ambient decomposition for audio signal processing
RU2008127062A (ru) Декодирование бинауральных аудиосигналов
BRPI0415951A (pt) método e codificador de áudio para codificar um sinal de áudio, aparelho para transmitir ou armazenar um sinal de áudio codificado baseado em um sinal de áudio de entrada, método e decodificador de áudio para decodificar um sinal de áudio codificado, aparelho para reproduzir um sinal de áudio de saìda, e, produto de programa de computação
WO2011047887A8 (en) Oversampling in a combined transposer filter bank
ATE523878T1 (de) Wiedergewinnung von in ein audiosignal eingebetteten verborgenen daten und vorrichtung zur daten-verbergung in der komprimierten domäne
DE602006013359D1 (de) Ender und empfänger
ATE422742T1 (de) Durchweg optisches signalverarbeitungsverfahren und einrichtung
TW200737782A (en) Segmented equalizer
MX2013014723A (es) Metodo y aparato para descomponer una grabacion estereofonica utilizando el procedimiento del dominio de la frecuencia empleando un generador de ponderaciones espectrales.
CN108369810A (zh) 用于对多声道音频信号进行编码的自适应声道缩减处理
TW200734888A (en) Visualization system of acoustic source energy distribution and the method thereof

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties