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    • 4. 发明申请
    • Queue Identification
    • US20210294842A1
    • 2021-09-23
    • US17135157
    • 2020-12-28
    • Sonos, Inc.
    • Arthur L. Coburn, IV
    • G06F16/638G11B27/10
    • Example techniques relate to a playback device that facilitates queue identification. In an example implementation, a playback device receives, from a first controller, instructions representing a command to populate a playback queue with one or more first media items; the instructions are associated with a first application identifier corresponding to the first controller. Based on the received instructions, the playback device populates the playback queue with the one or more first media items and forms an association between the playback queue and the first application identifier. The playback device receives, from a second controller, instructions representing one or more first commands to access the playback queue; the instructions are associated with a second application identifier corresponding to the second controller. The playback device determines that the second application identifier is different from the first application identifier and denies the one or more first commands to access the playback queue.