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1. WO2020117823 - AUGMENTED REALITY FILTERS FOR CAPTURED AUDIOVISUAL PERFORMANCES

Publication Number WO/2020/117823
Publication Date 11.06.2020
International Application No. PCT/US2019/064259
International Filing Date 03.12.2019
IPC
H04N 21/43 2011.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand
40Client devices specifically adapted for the reception of, or interaction with, content, e.g. STB ; Operations thereof
43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronizing decoder's clock; Client middleware
H04N 21/431 2011.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand
40Client devices specifically adapted for the reception of, or interaction with, content, e.g. STB ; Operations thereof
43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronizing decoder's clock; Client middleware
431Generation of visual interfaces; Content or additional data rendering
H04N 21/434 2011.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand
40Client devices specifically adapted for the reception of, or interaction with, content, e.g. STB ; Operations thereof
43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronizing decoder's clock; Client middleware
434Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams or extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
H04N 21/236 2011.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand
20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
23Processing of content or additional data; Elementary server operations; Server middleware
236Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
H04N 21/2368 2011.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand
20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
23Processing of content or additional data; Elementary server operations; Server middleware
236Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
2368Multiplexing of audio and video streams
H04N 21/81 2011.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand
80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
81Monomedia components thereof
Applicants
  • SMULE, INC. [US]/[US]
Inventors
  • STEINWEDEL, David
  • HOLMBERG, Anton
  • VILLEGAS, Javier
  • CHI, Paul T.
  • YOUNG, David
  • COOK, Perry R.
Agents
  • OBRIEN, David W.
  • RAMON, Michael E.
  • SHI, Hong
Priority Data
62/774,66403.12.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) AUGMENTED REALITY FILTERS FOR CAPTURED AUDIOVISUAL PERFORMANCES
(FR) FILTRES DE RÉALITÉ AUGMENTÉE DESTINÉS À DES PERFORMANCES AUDIOVISUELLES CAPTURÉES
Abstract
(EN)
Visual effects, including augmented reality-type visual effects, are applied to audiovisual performances with differing visual effects and/or parameterizations thereof applied in correspondence with computationally determined audio features or elements of musical structure coded in temporally-synchronized tracks or computationally determined therefrom. Segmentation techniques applied to one or more audio tracks (e.g., vocal or backing tracks) are used to compute some of the components of the musical structure. In some cases, applied visual effects are based on an audio feature computationally extracted from a captured audiovisual performance or from an audio track temporally-synchronized therewith.
(FR)
La présente invention concerne des effets visuels, y compris des effets visuels de type réalité augmentée, qui sont appliqués à des performances audiovisuelles présentant des effets visuels différents et/ou des paramétrages associés appliqués en correspondance avec des caractéristiques audio ou des éléments audio déterminés informatiquement de structure musicale codés dans des pistes temporellement synchronisées ou déterminées informatiquement à partir de ces dernières. Des techniques de segmentation appliquées à au moins une piste audio (par exemple, des pistes d'accompagnement ou vocales) sont utilisées pour calculer certaines des composants de la structure musicale. Dans certains cas, des effets visuels appliqués sont basés sur une caractéristique audio extraite par calcul à partir d'une performance audiovisuelle capturée ou à partir d'une piste audio synchronisée temporellement avec cette dernière.
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