WO2016030545A3 - Comparison or optimization of signals using the covariance of algebraic invariants - Google Patents

Comparison or optimization of signals using the covariance of algebraic invariants Download PDF

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Publication number
WO2016030545A3
WO2016030545A3 PCT/EP2015/069876 EP2015069876W WO2016030545A3 WO 2016030545 A3 WO2016030545 A3 WO 2016030545A3 EP 2015069876 W EP2015069876 W EP 2015069876W WO 2016030545 A3 WO2016030545 A3 WO 2016030545A3
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WO
WIPO (PCT)
Prior art keywords
covariance
signal
optimization
comparison
signals
Prior art date
Application number
PCT/EP2015/069876
Other languages
German (de)
French (fr)
Other versions
WO2016030545A2 (en
Inventor
Clemens Par
Original Assignee
Clemens Par
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 Clemens Par filed Critical Clemens Par
Publication of WO2016030545A2 publication Critical patent/WO2016030545A2/en
Publication of WO2016030545A3 publication Critical patent/WO2016030545A3/en

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems

Abstract

The invention relates to a method for a signal analysis of a first signal and a second signal, said method comprising the steps: determination of selected points in the first signal on the basis of invariants of said first signal; determination of a signal analysis parameter on the basis of the covariance of the selected points of the first signal with the second signal.
PCT/EP2015/069876 2014-08-29 2015-08-31 Comparison or optimization of signals using the covariance of algebraic invariants WO2016030545A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1311/14 2014-08-29
CH13112014 2014-08-29

Publications (2)

Publication Number Publication Date
WO2016030545A2 WO2016030545A2 (en) 2016-03-03
WO2016030545A3 true WO2016030545A3 (en) 2017-03-16

Family

ID=54293210

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2015/069876 WO2016030545A2 (en) 2014-08-29 2015-08-31 Comparison or optimization of signals using the covariance of algebraic invariants

Country Status (1)

Country Link
WO (1) WO2016030545A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3937515A1 (en) 2020-07-06 2022-01-12 Clemens Par Invariance controlled electroacoustic transducer

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012016992A2 (en) * 2010-08-03 2012-02-09 Stormingswiss Gmbh Device and method for evaluating and optimizing signals on the basis of algebraic invariants

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1850639A1 (en) 2006-04-25 2007-10-31 Clemens Par Systems for generating multiple audio signals from at least one audio signal
EP2124486A1 (en) 2008-05-13 2009-11-25 Clemens Par Angle-dependent operating device or method for generating a pseudo-stereophonic audio signal
JP2012533954A (en) 2009-07-22 2012-12-27 ストーミングスイス・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング Apparatus and method for optimizing stereo or pseudo stereo audio signal
CH703771A2 (en) 2010-09-10 2012-03-15 Stormingswiss Gmbh Device and method for the temporal evaluation and optimization of stereophonic or pseudostereophonic signals.
EP2917908A1 (en) 2012-11-09 2015-09-16 Storming Swiss Sàrl Non-linear inverse coding of multichannel signals

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012016992A2 (en) * 2010-08-03 2012-02-09 Stormingswiss Gmbh Device and method for evaluating and optimizing signals on the basis of algebraic invariants

Non-Patent Citations (7)

* Cited by examiner, † Cited by third party
Title
ECMA INTERNATIONAL: "ECMA-407 Scalable Sparse Spatial Sound System (S5) - Base S5 Coding", ECMA STANDARD, June 2014 (2014-06-01), XP055323337, Retrieved from the Internet <URL:https://www.ecma-international.org/publications/files/ECMA-ST/ECMA-407.pdf> [retrieved on 20161125] *
JAMEEL A J ET AL: "ECMA-407: New Approaches to 3D Audio Content Data Rate Reduction with RVC-CAL", AES CONVENTION 137; 9-12 OCTOBER 2014, 9 October 2014 (2014-10-09), XP040639127 *
PAR C: "ECMA-407 - Teil 1: Internationaler Standard für modularen 3D-Audio-Transport", FERNSEH- UND KINOTECHNIK (FKT), no. 4, April 2015 (2015-04-01), pages 174 - 176, XP009184451, ISSN: 0015-0142 *
PAR C: "ECMA-407 - Teil 2: Internationaler Standard für modularen 3D-Audio-Transport", FERNSEH- UND KINOTECHNIK (FKT), no. 5, May 2015 (2015-05-01), pages 246 - 249, XP009184452, ISSN: 0015-0142 *
PAR C: "Poesie des Raums", FKT FERNSEH UND KINOTECHNIK, vol. 67, no. 5, May 2013 (2013-05-01), pages 260 - 264, XP001584335, ISSN: 1430-9947 *
PAR C: "Referential contribution for the definition of inverse coding (inverse MS audio filtering) with or without invariant based calibration; and conclusions for use cases; requirements and evaluation procedures for 3D audio", MPEG INPUT DOCUMENT M24962, 100. MPEG MEETING, 30 APRIL 2012 - 4 MAY 2012, GENEVA, CH, 7 June 2012 (2012-06-07), XP030053305 *
PAR C: "Two Undiscovered Treasures for Ground-breaking 3D Audio Coding Technology at Lowest Bitrates: 1Inverse Problems and Invariant Theory", 22 November 2012 (2012-11-22), pages 519 - 538, XP008181477, ISBN: 978-3-9812830-3-7, Retrieved from the Internet <URL:http://www.vdtshop.de/2012SA6> *

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Publication number Publication date
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