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RENDERING OF AUDIO OBJECTS WITH APPARENT SIZE TO ARBITRARY LOUDSPEAKER LAYOUTS

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RENDERING OF AUDIO OBJECTS WITH APPARENT SIZE TO ARBITRARY LOUDSPEAKER LAYOUTS

DIVISIONAL PCT NATIONAL PHASE APPLICATION

Published

date

Filed on 29 October 2024

Abstract

Abstract Multiple virtual source locations may be defined for a volume within which audio objects can move. A set-up process for rendering audio data may involve receiving reproduction speaker location data and pre-computing gain values for each of the virtual sources according to the reproduction speaker location data and each virtual source location. The gain values may be stored and used during "run time," during which audio reproduction data are rendered for the speakers of the reproduction environment. During run time, for each audio object, contributions from virtual source locations within an area or volume defined by the audio object position data and the audio object size data may be computed. A set of gain values for each output channel of the reproduction environment may be computed based, at least in part, on the computed contributions. Each output channel may correspond to at least one reproduction speaker of the reproduction environment.

Patent Information

Application ID202428082958
Invention FieldELECTRONICS
Date of Application29/10/2024
Publication Number46/2024

Inventors

NameAddressCountryNationality
MATEOS SOLE, Antonioc/o Dolby Iberia, S.L. Edificio Imagina Avenida Diagonal, 177, Planta 10 E-08018 Barcelona, SpainSpainSpain
TSINGOS, Nicolas R.c/o Dolby Laboratories, Inc. 100 Potrero Avenue San Francisco, California 94103-4813, United States of AmericaFranceFrance

Applicants

NameAddressCountryNationality
DOLBY LABORATORIES LICENSING CORPORATION100 Potrero Avenue San Francisco, California 94103-4813, United States of AmericaU.S.A.U.S.A.
DOLBY INTERNATIONAL ABApollo Building, 3E Herikerbergweg 1-35 NL-1101 CN Amsterdam Zuidoost, NetherlandsNetherlandsSweden

Specification

Claim:
1. A method for rendering input audio including an audio object and metadata, wherein the metadata includes audio object size metadata and audio object position metadata corresponding to the audio object, the method comprising:5 receiving the audio object size metadata and the audio object positionmetadata; receiving content type metadata associated with the audio object, wherein the content type metadata indicates dialog associated with the audio object; determining at least a virtual audio object based on the input audio, the audio10 object size metadata and the audio object position metadata; determining a location of the virtual audio object based on at least one of the audio object size metadata and the audio object position metadata; and rendering the audio object to the one or more speaker feeds based on the content type metadata, wherein the rendering also comprises rendering the virtual15 object based on at least the location of the virtual audio object.
2. A non-transitory medium having software stored thereon, the software including instructions for performing the method of claim 1.
3. An apparatus for rendering input audio including an audio object and metadata, wherein the metadata includes audio object size metadata and audio object position metadata corresponding to the audio object, the apparatus comprising: a receiver configured to receive the audio object size metadata and the audio25 object position metadata and to receive content type metadata associated with the audio object, wherein the content type metadata indicates dialog associated with the audio object; a first processor for determining at least a virtual audio object based on the input audio, the audio object size metadata and the audio object position metadata;3029 a second processor for determining a location of the virtual audio object based on at least one of the audio object size metadata and the audio object position metadata; and a renderer for rendering the audio object

Documents

NameDate
Abstract1.jpg07/11/2024
202428082958-COMPLETE SPECIFICATION [29-10-2024(online)].pdf29/10/2024
202428082958-DECLARATION OF INVENTORSHIP (FORM 5) [29-10-2024(online)].pdf29/10/2024
202428082958-DRAWINGS [29-10-2024(online)].pdf29/10/2024
202428082958-FORM 1 [29-10-2024(online)].pdf29/10/2024
202428082958-FORM 18 [29-10-2024(online)].pdf29/10/2024
202428082958-POWER OF AUTHORITY [29-10-2024(online)].pdf29/10/2024
202428082958-REQUEST FOR EXAMINATION (FORM-18) [29-10-2024(online)].pdf29/10/2024

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