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    DYNAMIC RESOLUTION CHANGE HINTS FOR ADAPTIVE STREAMING
    81.
    发明公开
    DYNAMIC RESOLUTION CHANGE HINTS FOR ADAPTIVE STREAMING 审中-公开

    公开(公告)号：US20230224532A1

    公开(公告)日：2023-07-13

    申请号：US17647435

    申请日：2022-01-07

    Applicant: QUALCOMM Incorporated

    Inventor： Thomas Stockhammer ,  Imed Bouazizi

    IPC: H04N21/44 ,  H04N19/33 ,  H04N19/154 ,  H04N19/423 ,  H04N21/435 ,  H04N21/433

    CPC classification number: H04N21/44 ,  H04N19/33 ,  H04N19/154 ,  H04N19/423 ,  H04N21/435 ,  H04N21/4331

    Abstract: An example device for retrieving media data includes a memory configured to store video data; a video decoder configured to decode the video data; and one or more processors implemented in circuitry and configured to: determine that a media presentation includes first video data at a first spatial resolution and second video data at a second spatial resolution, the second spatial resolution being different than the first spatial resolution; receive a first portion of the first video data at the first spatial resolution for a first playback time; send the first portion of the first video data at the first spatial resolution to the video decoder; receive a second portion of the second video data at the second spatial resolution for a second playback time later than the first playback time; and send the second portion of the second video data at the second spatial resolution to the video decoder.

    CONFIGURATION OF MULTIPLE SETS OF FREQUENCY RESOURCES FOR BROADCAST AND MULTICAST COMMUNICATIONS
    82.
    发明公开
    CONFIGURATION OF MULTIPLE SETS OF FREQUENCY RESOURCES FOR BROADCAST AND MULTICAST COMMUNICATIONS 审中-公开

    公开(公告)号：US20230188946A1

    公开(公告)日：2023-06-15

    申请号：US17547622

    申请日：2021-12-10

    Applicant: QUALCOMM Incorporated

    Inventor： Ayan Sengupta ,  Alberto Rico Alvarino ,  Le Liu ,  Kazuki Takeda ,  Peter Gaal ,  Thomas Stockhammer ,  Javier Rodriguez Fernandez

    IPC: H04W4/06 ,  H04W72/00

    CPC classification number: H04W4/06 ,  H04W72/005 ,  H04L12/189

    Abstract: Methods, systems, and devices for wireless communications are described. Generally, a base station may transmit system information indicating multiple multicast-broadcast network areas, and may further provide configuration information for each multicast-broadcast network area indicating a location of multicast scheduling information (MSI). The MSI may include an indication of frequency resources on which to receive broadcast or multicast services. The MSI may indicate specific services for an multicast-broadcast network area that are provided via the different frequency resources (for example, different cells, carriers, channels, among other examples). In some examples, the base station may schedule broadcast or multicast services across frequency resources via semi-persistent scheduling. The MSI may indicate a redundancy version configuration (for example, time and frequency patterns for combined redundancy version broadcast transmissions).

    SUPPORTING QUALITY OF SERVICE FOR MEDIA COMMUNICATIONS
    84.
    发明申请
    SUPPORTING QUALITY OF SERVICE FOR MEDIA COMMUNICATIONS 有权

    公开(公告)号：US20230064154A1

    公开(公告)日：2023-03-02

    申请号：US17818566

    申请日：2022-08-09

    Applicant: QUALCOMM Incorporated

    Inventor： Imed Bouazizi ,  Thomas Stockhammer ,  Nikolai Konrad Leung

    IPC: H04L65/80 ,  H04L65/1069 ,  H04L65/1108

    Abstract: A client device (e.g., user equipment or “UE”) may be configured to engage in a media communication session, such as a WebRTC session, with another client device. The client devices may separate a quality of service (QoS) specification from a QoS flow definition, to allow for separate interactive connectivity establishment (ICE) negotiation. The QoS specification may cover all segments of a connection for the media communication session. For example, QoS may be requested for a case where a server (e.g., a Traversal Using Relay Network Address Translation (TURN) server) is hosted by a mobile network operator (MNO). The QoS specification and the QoS flow description may be linked.

    Repair mechanism for adaptive bit rate multicast
    85.
    发明授权
    Repair mechanism for adaptive bit rate multicast 有权

    公开(公告)号：US11582125B2

    公开(公告)日：2023-02-14

    申请号：US17039442

    申请日：2020-09-30

    Applicant: QUALCOMM Incorporated

    Inventor： Thomas Stockhammer ,  Waqar Zia ,  Imed Bouazizi

    IPC: H04L43/0829 ,  H04L1/08 ,  H04L67/02

    Abstract: An example device for retrieving media data includes a memory configured to store media data; and one or more processors implemented in circuitry and configured to: receive data indicating a packet loss signaling mechanism, the packet loss signaling mechanism comprising at least one of that segments are sent in chunks, that transport object identifiers (TOIs) are sequential, or that a last packet of an object assigned to a TOI has a specific flag set in a header of the last packet, a base URL, a maximum latency, or a synchronization point in a file delivery header; detect loss of a packet using the at least one of the packet loss signaling mechanisms, the lost packet including missing media data; generate a byte range request for the missing media data using information of the file delivery header; and deliver a proper media object to a media application.

    ANCHORING A SCENE DESCRIPTION TO A USER ENVIRONMENT FOR STREAMING IMMERSIVE MEDIA CONTENT
    87.
    发明申请
    ANCHORING A SCENE DESCRIPTION TO A USER ENVIRONMENT FOR STREAMING IMMERSIVE MEDIA CONTENT 有权

    公开(公告)号：US20220335694A1

    公开(公告)日：2022-10-20

    申请号：US17659760

    申请日：2022-04-19

    Applicant: QUALCOMM Incorporated

    Inventor： Imed Bouazizi ,  Thomas Stockhammer

    IPC: G06T19/00 ,  G06V20/20

    Abstract: An example device for presenting media data includes a memory configured to store media data defining one or more virtual objects in a virtual scene; and one or more processors implemented in circuitry and configured to: receive a scene description of a bitstream including the data describing the one or more virtual objects in the virtual scene and a scene anchor, the scene anchor representing a correspondence between the virtual scene and a real-world presentation environment; determine the correspondence between the virtual scene and the real-world presentation environment using the scene anchor; and present the one or more virtual objects at locations within the real-world presentation environment according to the determined correspondence.

    SEGMENT TYPES AS DELIMITERS AND ADDRESSABLE RESOURCE IDENTIFIERS
    90.
    发明申请
    SEGMENT TYPES AS DELIMITERS AND ADDRESSABLE RESOURCE IDENTIFIERS 有权

    公开(公告)号：US20220116691A1

    公开(公告)日：2022-04-14

    申请号：US17645432

    申请日：2021-12-21

    Applicant: QUALCOMM Incorporated

    Inventor： Thomas Stockhammer

    IPC: H04N21/854 ,  H04N21/845 ,  H04L65/612 ,  H04L67/02 ,  H04L65/65 ,  H04N21/236 ,  H04N21/434 ,  H04L69/22 ,  H04N21/235 ,  H04N21/84

    Abstract: An example device for processing media data is configured to parse a bitstream including the media data, the bitstream being formatted according to Common Media Application Format (CMAF), detect, during the parsing, a file type (FTYP) value for a CMAF track file of the bitstream, determine that a CMAF header of the CMAF track file starts with the FTYP value, and process one or more CMAF fragments following the CMAF header of the CMAF track file. The device may additionally be configured to detect one or more segment type (STYP) values in the bitstream, determine that each of the one or more STYP values corresponds to a start of a respective one of the CMAF fragments, and process each of the CMAF fragments starting from the corresponding STYP value.

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