The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 17, 2019
Filed:
Sep. 08, 2014
Dolby International Ab, Amsterdam Zuidoost, NL;
Dolby International AB, Amsterdam Zuidoost, NL;
Abstract
The present document relates to time-alignment of encoded data of an audio encoder with associated metadata, such as spectral band replication (SBR) metadata. An audio decoder () configured to determine a reconstructed frame of an audio signal () from an access unit () of a received data stream is described. The access unit () comprises waveform data () and metadata (), wherein the waveform data () and the metadata () are associated with the same reconstructed frame of the audio signal (). The audio decoder () comprises a waveform processing path () configured to generate a plurality of waveform subband signals () from the waveform data (), and a metadata processing path () configured to generate decoded metadata () from the metadata ().