Sonos had 46 patents in artificial intelligence during Q4 2023. Sonos Inc’s patents in Q4 2023 focus on audio processing, voice assistant persistence across multiple devices, media playback optimization, voice detection, and adapting to changes in microphone performance. The systems and methods described involve capturing sound data, detecting wake words, analyzing sound data, and modifying performance parameters based on detected characteristics. These innovations aim to enhance the user experience and improve the functionality of network microphone devices. GlobalData’s report on Sonos gives a 360-degreee view of the company including its patenting strategy. Buy the report here.
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Sonos grant share with artificial intelligence as a theme is 43% in Q4 2023. Grant share is based on the ratio of number of grants to total number of patents.
Recent Patents
Application: Systems and methods for power-efficient keyword detection (Patent ID: US20230419972A1)
The patent filed by Sonos Inc. describes systems and methods for audio processing using a network microphone device (NMD). The NMD captures sound data, determines voice activity through a detection process, and stores the data in a buffer. If voice activity is detected, the NMD processes the sound data spatially to produce filtered data. The NMD can also detect a wake word and perform actions based on the data in the buffer, such as controlling audio playback or interacting with a voice assistant service.
The NMD includes multiple microphones, a network interface, processors, and a computer-readable medium storing instructions for various operations. These operations involve detecting sound data, determining voice activity, storing data in a buffer, processing sound data spatially, detecting keywords, and performing actions based on voice input. The NMD can transition between different stages based on the presence of voice activity, adjust clock speeds of processors, transmit data to remote computing devices for voice assistant services, and perform tasks like acoustic echo cancellation. Overall, the patent outlines a comprehensive audio processing system that optimizes voice recognition and interaction capabilities of the NMD.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
