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    SERVER SUPPORT FOR MULTIPLE AUDIO/VIDEO OPERATING SYSTEMS
    1.
    发明申请
    SERVER SUPPORT FOR MULTIPLE AUDIO/VIDEO OPERATING SYSTEMS 有权

    公开(公告)号：US20250068452A1

    公开(公告)日：2025-02-27

    申请号：US18731235

    申请日：2024-06-01

    Applicant: QSC, LLC

    Inventor： Gerrit Eimbertus Rosenboom

    IPC: G06F9/455 ,  G06F9/4401 ,  G06F9/50 ,  H04L65/60 ,  H04N21/443

    Abstract: Technology is disclosed for establishing and administering multiple virtual machines, each with an audio, video and control (AVC) operating system (OS). The technology can also establish and administer cloud based AVC OSs. A server implementing this technology can perform real-time AVC processing, alongside soft and non-real-time processing and can host multiple, independent, virtual AVC OSs. Each AVC OS can perform the processing for an AVC setup. Each of the AVC OSs can be operated by a corresponding virtual machine controlled by a hypervisor running on the server. A cloud based AVC OS can perform processing for a corresponding remote AVC setup comprising multiple AVC devices. An AVC routing system can cause AVC signals from a particular AVC setup to reach a corresponding cloud AVC OS and conversely can cause signals from an AVC OS to reach the correct destination device.

    Server support for multiple audio/video operating systems
    2.
    发明授权
    Server support for multiple audio/video operating systems 有权

    公开(公告)号：US12014200B2

    公开(公告)日：2024-06-18

    申请号：US18083442

    申请日：2022-12-16

    Applicant: QSC, LLC

    Inventor： Gerrit Eimbertus Rosenboom

    IPC: G06F9/455 ,  G06F9/4401 ,  G06F9/50 ,  H04L65/60 ,  H04N21/443

    CPC classification number: G06F9/45558 ,  G06F9/4406 ,  G06F9/5077 ,  H04L65/60 ,  H04N21/443 ,  G06F2009/45562 ,  G06F2009/45591 ,  G06F2009/45595

    Abstract: Technology is disclosed for establishing and administering multiple virtual machines, each with an audio, video and control (AVC) operating system (OS). The technology can also establish and administer cloud based AVC OSs. A server implementing this technology can perform real-time AVC processing, alongside soft and non-real-time processing and can host multiple, independent, virtual AVC OSs. Each AVC OS can perform the processing for an AVC setup. Each of the AVC OSs can be operated by a corresponding virtual machine controlled by a hypervisor running on the server. A cloud based AVC OS can perform processing for a corresponding remote AVC setup comprising multiple AVC devices. An AVC routing system can cause AVC signals from a particular AVC setup to reach a corresponding cloud AVC OS and conversely can cause signals from an AVC OS to reach the correct destination device.

    TRANSPARENT DATA ENCRYPTION
    4.
    发明申请
    TRANSPARENT DATA ENCRYPTION 有权

    公开(公告)号：US20220094523A1

    公开(公告)日：2022-03-24

    申请号：US17481156

    申请日：2021-09-21

    Applicant: QSC, LLC

    Inventor： John Warren Dunn

    IPC: H04L9/06 ,  G06F3/16 ,  H04L9/32 ,  H04L9/08

    Abstract: Disclosed herein is a data encryption technique that pertains to a data stream that divides into data samples. Each sample is truncated by a predetermined number of bits to make room in the data stream for an encryption data packet. The truncation reduces the resolution of the data in exchange for security features. The encryption data packet includes a counter to prevent replay attacks and an HMAC to verify contents and synchronize the frames of the data stream. The data is encrypted and transmitted to a receiver where the data is played.

    Class-D amplifier with nested feedback loops
    5.
    发明授权
    Class-D amplifier with nested feedback loops 有权

    公开(公告)号：US11128270B1

    公开(公告)日：2021-09-21

    申请号：US16880629

    申请日：2020-05-21

    Applicant: QSC, LLC

    Inventor： Anders Lind

    IPC: H03F3/38 ,  H03F3/217 ,  H03F1/26

    Abstract: A class-D amplifier with multiple “nested” levels of feedback. The class-D amplifier surrounds an inner feedback loop, which takes the output of a switching amplifier and corrects for errors generated across the switching amplifier, with additional feedback loops that also take the output of the switching amplifier.

    Audio processor with bi-directional input/output ports
    6.
    发明授权
    Audio processor with bi-directional input/output ports 有权

    公开(公告)号：US10291985B2

    公开(公告)日：2019-05-14

    申请号：US15644346

    申请日：2017-07-07

    Applicant: QSC, LLC

    Inventor： David Dean Kessner

    IPC: H04R3/12 ,  H04R3/00 ,  H04R27/00 ,  H04R29/00

    Abstract: An audio processor has a number of ports that are configurable as input or output ports. Each port includes a jack, an input audio circuit and an output audio circuit. A switch is controllable to selectively connect an output of the output audio circuit to the jack when the port is configured as an output port. In one embodiment, the switch is bypassed with resistor and the output of the output audio circuit is coupled through the resistor to the jack when the port is configured as an input port.

    Transparent data encryption
    8.
    发明授权
    Transparent data encryption 有权

    公开(公告)号：US11985222B2

    公开(公告)日：2024-05-14

    申请号：US17481156

    申请日：2021-09-21

    Applicant: QSC, LLC

    Inventor： John Warren Dunn

    IPC: H04L9/06 ,  G06F3/16 ,  H04L9/08 ,  H04L9/32

    CPC classification number: H04L9/0631 ,  G06F3/165 ,  H04L9/0819 ,  H04L9/3242

    Abstract: Disclosed herein is a data encryption technique that pertains to a data stream that divides into data samples. Each sample is truncated by a predetermined number of bits to make room in the data stream for an encryption data packet. The truncation reduces the resolution of the data in exchange for security features. The encryption data packet includes a counter to prevent replay attacks and an HMAC to verify contents and synchronize the frames of the data stream. The data is encrypted and transmitted to a receiver where the data is played.

    Acoustic waveguide
    9.
    发明授权
    Acoustic waveguide 有权

    公开(公告)号：US11736859B2

    公开(公告)日：2023-08-22

    申请号：US17990087

    申请日：2022-11-18

    Applicant: QSC, LLC

    Inventor： Jerome Halley ,  Chris Smolen

    IPC: H04R1/34 ,  H04R1/02

    CPC classification number: H04R1/345 ,  H04R1/025

    Abstract: An acoustic waveguide in accordance with one or more embodiments of the present technology that comprises a housing having a proximal end with an inlet aperture and a distal end with an outlet aperture, and a mounting flange positioned at the proximal end and configured to acoustically couple a driver to inlet aperture. A plurality of sound channels extend through the housing and acoustically couple the inlet aperture to the outlet aperture. Each sound channel at least partially defining a sound path has an acoustic length, wherein at least one of the sound paths of the plurality of sound channels has a bend angle that exceeds 180 degrees.

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