- Patent Title: Audio encoding and decoding using presentation transform parameters
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Application No.: US15754654Application Date: 2016-08-24
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Publication No.: US10978079B2Publication Date: 2021-04-13
- Inventor: Dirk Jeroen Breebaart , David Matthew Cooper , Leif Jonas Samuelsson , Jeroen Koppens , Rhonda Joy Wilson , Heiko Purnhagen , Alexander Stahlmann
- Applicant: Dolby Laboratories Licensing Corporation , Dolby International AB
- Applicant Address: US CA San Francisco; NL Amsterdam Zuidoost
- Assignee: Dolby Laboratories Licensing Corporation,Dolby International AB
- Current Assignee: Dolby Laboratories Licensing Corporation,Dolby International AB
- Current Assignee Address: US CA San Francisco; NL Amsterdam Zuidoost
- Priority: EP15189094 20151009
- International Application: PCT/US2016/048497 WO 20160824
- International Announcement: WO2017/035281 WO 20170302
- Main IPC: G10L19/008
- IPC: G10L19/008 ; G06F3/16 ; H04L29/06 ; H04S1/00 ; H04S7/00
Abstract:
A method for encoding an input audio stream including the steps of obtaining a first playback stream presentation of the input audio stream intended for reproduction on a first audio reproduction system, obtaining a second playback stream presentation of the input audio stream intended for reproduction on a second audio reproduction system, determining a set of transform parameters suitable for transforming an intermediate playback stream presentation to an approximation of the second playback stream presentation, wherein the transform parameters are determined by minimization of a measure of a difference between the approximation of the second playback stream presentation and the second playback stream presentation, and encoding the first playback stream presentation and the set of transform parameters for transmission to a decoder.
Public/Granted literature
- US20200227052A1 Audio Encoding and Decoding Using Presentation Transform Parameters Public/Granted day:2020-07-16
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