AR099775A1 - APPARATUS AND METHOD TO GENERATE A HIDDEN HID SIGNAL USING POWER COMPENSATION - Google Patents

APPARATUS AND METHOD TO GENERATE A HIDDEN HID SIGNAL USING POWER COMPENSATION

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Publication number
AR099775A1
AR099775A1 ARP150100799A ARP150100799A AR099775A1 AR 099775 A1 AR099775 A1 AR 099775A1 AR P150100799 A ARP150100799 A AR P150100799A AR P150100799 A ARP150100799 A AR P150100799A AR 099775 A1 AR099775 A1 AR 099775A1
Authority
AR
Argentina
Prior art keywords
lpc
hidden
generate
substitute
power compensation
Prior art date
Application number
ARP150100799A
Other languages
Spanish (es)
Original Assignee
Fraunhofer Ges Forschung
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 Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of AR099775A1 publication Critical patent/AR099775A1/en

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  • Error Detection And Correction (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Noise Elimination (AREA)

Abstract

Un aparato para generar una señal de ocultamiento de error comprende: un generador de representaciones de LPC (100) para generar una representación de LPC sustituta; un calculador de ganancias (600) para calcular una información de ganancia a partir de las representaciones de LPC; un compensador (406, 408) para compensar un efecto de ganancia de la representación de LPC sustituta empleando la información de ganancia y un sintetizador de LPC (106, 108) para filtrar información de libro de códigos empleando la representación de LPC sustituta para obtener la señal de ocultamiento de error, donde el compensador (406, 408, 900) está configurado para ponderar la información de libro de códigos o una señal de salida de síntesis de LPC.An apparatus for generating an error concealment signal comprises: an LPC representation generator (100) for generating a substitute LPC representation; a profit calculator (600) to calculate a gain information from the LPC representations; a compensator (406, 408) to compensate for a gain effect of the substitute LPC representation using the gain information and an LPC synthesizer (106, 108) to filter codebook information using the substitute LPC representation to obtain the error concealment signal, where the compensator (406, 408, 900) is configured to weight the codebook information or an LPC synthesis output signal.

ARP150100799A 2014-03-19 2015-03-17 APPARATUS AND METHOD TO GENERATE A HIDDEN HID SIGNAL USING POWER COMPENSATION AR099775A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14160774 2014-03-19

Publications (1)

Publication Number Publication Date
AR099775A1 true AR099775A1 (en) 2016-08-17

Family

ID=50677929

Family Applications (3)

Application Number Title Priority Date Filing Date
ARP150100794A AR099771A1 (en) 2014-03-19 2015-03-17 APPARATUS AND METHOD FOR GENERATING AN ERROR HIDDEN SIGNAL USING AN ADAPTIVE NOISE ESTIMATE
ARP150100799A AR099775A1 (en) 2014-03-19 2015-03-17 APPARATUS AND METHOD TO GENERATE A HIDDEN HID SIGNAL USING POWER COMPENSATION
ARP150100795A AR099772A1 (en) 2014-03-19 2015-03-17 APPARATUS AND METHOD FOR GENERATING AN ERROR HIDDEN SIGNAL USING LPC REPRESENTATIONS INDIVIDUAL SUBSTITUTES FOR INDIVIDUAL CODE BOOK INFORMATION

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ARP150100794A AR099771A1 (en) 2014-03-19 2015-03-17 APPARATUS AND METHOD FOR GENERATING AN ERROR HIDDEN SIGNAL USING AN ADAPTIVE NOISE ESTIMATE

Family Applications After (1)

Application Number Title Priority Date Filing Date
ARP150100795A AR099772A1 (en) 2014-03-19 2015-03-17 APPARATUS AND METHOD FOR GENERATING AN ERROR HIDDEN SIGNAL USING LPC REPRESENTATIONS INDIVIDUAL SUBSTITUTES FOR INDIVIDUAL CODE BOOK INFORMATION

Country Status (1)

Country Link
AR (3) AR099771A1 (en)

Also Published As

Publication number Publication date
AR099771A1 (en) 2016-08-17
AR099772A1 (en) 2016-08-17

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