PATENT CLAIM ANALYSIS

Application Number: 16214666
Application Type: Utility
Filing Date: 2018-12
Publication Date: 2019-04
Patent Classification: ["704", "251000"]

Abstract:
Disclosed herein are example techniques for voice detection by multiple NMDs. An example implementation may involve one or more servers receiving, via a network interface, data representing multiple audio recordings of a voice input spoken by a given user, each audio recording recorded by a respective NMD of the multiple NMDs, wherein the voice input comprises a detected wake-word. Based on respective sound pressure levels of the multiple audio recordings of the voice input, the servers (i) select a particular NMD of the multiple NMDs and (ii) forego selection of other NMDs of the multiple NMDs. The servers send, via the network interface to the particular NMD, data representing a playback command that corresponds to a voice command in the voice input represented in the multiple audio recordings, wherein the data representing the playback command causes the particular NMD to play back audio content according to the playback command.

Claim (Index 1):
A system comprising one or more servers of a voice assistant service, wherein the one or more servers are configured to communicate with multiple network microphone devices, wherein the multiple networked microphone devices (NMDs) are communicatively coupled to one another via a local area network, and wherein:\n each NMD is configured to perform operations comprising:\n recording, via a respective microphone array, audio into a buffer of the respective NMD; \n monitoring the recorded audio for wake-words; and \n when a wake-word is detected in the recorded audio, sending, via a respective network interface to a voice assistant service, data representing an audio recording from the buffer of the respective NMD, the audio recording representing a portion of the recorded audio including the detected wake-word as recorded by the respective NMD; and \n the one or more servers are configured to perform operations comprising:\n receiving, via a network interface of the one or more servers, data representing multiple audio recordings of a voice input spoken by a given user, each audio recording recorded by a respective NMD of the multiple NMDs, wherein the voice input comprises the detected wake-word; \n based on respective sound pressure levels of the multiple audio recordings of the voice input, (i) selecting a particular NMD of the multiple NMDs and (ii) foregoing selection of other NMDs of the multiple NMDs; and \n after the selecting, sending, via the network interface to the particular NMD, data representing a playback command that corresponds to a voice command following the wake-word in the voice input represented in the multiple audio recordings, wherein the data representing the playback command causes the particular NMD to play back audio content according to the playback command via one or more amplifiers configured to drive one or more speakers.

Metadata:
- Claim Count in Document: 53.0
- Percentile: 98.0
- Lexical Diversity: 2.22973
- Patent Class: 704.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['15211748', '15211689', '16173797', '16192126', '15229868']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.2874841602982383
- 35 USC 102 Novelty (BERT): 0.5013576957122069
- Combined Prediction Score: 0.3088715138396352
- Mean Citation Score: 271.18098
- Max Citation Score: 326.8969
- Similarity Product: 278.0949016952038

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 1
- Claim Label 112: 1
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test