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Active acoustics control for near- and far-field sounds

机译:主动声学控制,用于近场和远场声音

摘要

Some disclosed methods may involve receiving audio reproduction data, including audio objects, differentiating near-field audio objects and far-field audio objects in the audio reproduction data, and rendering the far-field audio objects into speaker feed signals for room speakers of a reproduction environment. Each speaker feed signal may correspond to at least one of the room speakers. The near-field audio objects may be rendered into speaker feed signals for near-field speakers and/or headphone speakers of the reproduction environment. Reverberant audio objects may be generated based on physical microphone data from physical microphones in the reproduction environment and from virtual microphone data that is calculated for near-field audio objects. The reverberant audio objects may be rendered into speaker feed signals for the room speakers.
机译:一些公开的方法可能涉及接收音频再现数据,包括音频对象,区分音频再现数据中的近场音频对象和远场音频对象,以及将远场音频对象渲染为用于再现的室内扬声器的扬声器馈送信号。环境。每个扬声器馈送信号可以对应于房间扬声器中的至少一个。可将近场音频对象渲染为再现环境的近场扬声器和/或耳机扬声器的扬声器馈送信号。可以基于来自再现环境中的物理麦克风的物理麦克风数据以及针对近场音频对象计算的虚拟麦克风数据来生成混响音频对象。可将混响音频对象渲染为房间扬声器的扬声器馈送信号。

著录项

  • 公开/公告号US10531222B2

    专利类型

  • 公开/公告日2020-01-07

    原文格式PDF

  • 申请/专利权人 DOLBY LABORATORIES LICENSING CORPORATION;

    申请/专利号US201816162895

  • 发明设计人 NICOLAS R. TSINGOS;

    申请日2018-10-17

  • 分类号H04S7;G10L21/0232;H04R5/02;H04R5/04;H04R3/12;G10L21/0208;

  • 国家 US

  • 入库时间 2022-08-21 11:18:55

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