公开(公告)号：US20210400376A1

公开(公告)日：2021-12-23

申请号：US17465563

申请日：2021-09-02

申请人： Dolby Laboratories Licensing Corporation

发明人： Warren MANSFIELD ,  Alan J. SEEFELDT ,  Peter Michael RAZUKAS ,  Arun SAMBANDAM

IPC分类号： H04R1/26 ,  H04R1/02 ,  H04R3/14 ,  H04R5/02 ,  H04R27/00 ,  H04S7/00

摘要： Embodiments are directed to a speaker system that contains an array of multiple dispersion drivers that creates an expansive acoustic pattern to playback multi-channel audio content through a standalone speaker. The speaker system comprises an interface receiving stereo audio; an upmixer generating surround sound formatted audio from the stereo audio including one or more height channels; a virtualizer/downmixer component coupled to the upmixer and generating speaker feeds for two or more loudspeaker output sections, configured to play back the stereo audio, wherein each output section is further configured to play its own dedicated stereo audio signals; and a set of drivers each coupled to a respective output section and configured to project sound in at least two different dispersion patterns.

公开(公告)号：US20180367939A1

公开(公告)日：2018-12-20

申请号：US16060372

申请日：2016-12-14

申请人： DOLBY LABORATORIES LICENSING CORPORATION

发明人： David Matthew FISCHER ,  Warren MANSFIELD ,  Adam Christopher NOEL ,  Timothy James EGGERDING ,  Philip NICOL

IPC分类号： H04S7/00 ,  H04R5/02 ,  H04R1/26 ,  H04R1/32 ,  H04R3/12

CPC分类号： H04S7/305 ,  H04R1/26 ,  H04R1/323 ,  H04R3/12 ,  H04R5/02 ,  H04R2205/024 ,  H04R2420/01 ,  H04S3/00

摘要： Systems and methods are described for an adaptive audio system that renders reflected sound for adaptive audio systems in different ways depending on the orientation of at least one speaker in a set of speakers. A speaker of the system may comprise an integrated speaker having front-firing and upward-firing drivers, a sensor to determine the orientation of the speaker (e.g., horizontal or vertical) and a transceiver and control unit that transmits the orientation to a decoder and receives updated speaker feeds from the renderer based on the orientation.

公开(公告)号：US20200077178A1

公开(公告)日：2020-03-05

申请号：US16489364

申请日：2018-02-28

申请人： Dolby Laboratories Licensing Corporation

发明人： Warren MANSFIELD ,  Alan J. SEEFELDT ,  Peter Michael RAZUKAS ,  Arun SAMBANDAM

IPC分类号： H04R1/26 ,  H04R27/00 ,  H04S7/00 ,  H04R3/14 ,  H04R5/02 ,  H04R1/02

摘要： Embodiments are directed to a speaker system that contains an array of multiple dispersion drivers that creates an expansive acoustic pattern to playback multi-channel audio content through a standalone speaker. The speaker system comprises an interface receiving stereo audio; an upmixer generating surround sound formatted audio from the stereo audio including one or more height channels; a virtualizer/downmixer component coupled to the upmixer and generating speaker feeds for two or more loudspeaker output sections, configured to play back the stereo audio, wherein each output section is further configured to play its own dedicated stereo audio signals; and a set of drivers each coupled to a respective output section and configured to project sound in at least two different dispersion patterns.

公开(公告)号：US20170026750A1

公开(公告)日：2017-01-26

申请号：US15107031

申请日：2015-01-06

申请人： DOLBY LABORATORIES LICENSING CORPORATION

发明人： Warren MANSFIELD ,  Eugene Edward RADZIK ,  Alan J. SEEFELDT ,  Jared SMITH ,  C. Phillip BROWN ,  Michael SMITHERS

IPC分类号： H04R5/02 ,  H04R3/14 ,  H04S7/00

CPC分类号： H04R5/02 ,  H04R1/345 ,  H04R3/14 ,  H04R5/04 ,  H04R2201/021 ,  H04R2201/025 ,  H04R2205/024 ,  H04S7/301 ,  H04S7/305 ,  H04S7/307 ,  H04S2400/11 ,  H04S2420/07

摘要： Embodiments are directed to speakers and circuits that reflect sound off a wall surface (114) to a listening location at a distance from a speaker. The reflected sound (103) provides direct audio cues to reproduce audio objects that have direct audio components without the need for direct firing speakers. The speaker comprises sideward firing drivers (108) to reflect sound off of the wall surface (114) and represents a virtual direct speaker (116). A virtual direct filter is applied to the sideward-firing driver signal to improve the perception of direct audio transmitted by the sideward firing speaker (108) to provide optimum reproduction of the reflected sound. The virtual direct filter may be incorporated as part of a crossover circuit that separates the full band and sends high frequency sound to the sideward-firing driver (108).

摘要翻译： 实施例涉及将声音从墙壁表面（114）反射到距扬声器一定距离的收听位置的扬声器和电路。 反射的声音（103）提供直接的音频提示，以再现具有直接音频成分的音频对象，而不需要直接发射扬声器。 扬声器包括侧向击发驱动器（108）以将声音反射离开壁表面（114）并且表示虚拟直接扬声器（116）。 将虚拟直接滤波器应用于侧向发射驱动器信号，以改善由侧向发射扬声器（108）发射的直接音频的感知，以提供反射声音的最佳再现。 虚拟直接滤波器可以被并入作为分离全频带并且将高频声音发送到侧向驱动驱动器（108）的交叉电路的一部分。