PATENT CLAIM ANALYSIS

Application Number: 15753139
Application Type: Utility
Filing Date: 2018-02
Publication Date: 2018-08
Patent Classification: ["381", "094100"]

Abstract:
The present invention relates in one aspect to a microphone array signal processing system comprising a digital buffer coupled to a signal input and configured to store first and second digital audio signals. A beamformer analyser is configured to, in response to a first voice trigger, determine noise statistics based on the first signal segment of the first digital audio signal and a first signal segment of the second digital audio signal. A coefficients calculator is configured to calculate a first set of fixed beamformer coefficients of a beamforming algorithm. The beamforming algorithm is configured for applying the first set of fixed beamformer coefficients to the first signal segments of the first and second digital audio signals retrieved from the digital buffer to produce a noise reduced digital audio signal.

Claim (Index 14):
A method for processing microphone array signals according to  claim 11 , wherein the first signal segment of the first digital audio signal represents a time period of a corresponding acoustic signal exceeding 500 ms, more preferably exceeding 1 second, such as exceeding 4 seconds.

Metadata:
- Claim Count in Document: 30.0
- Percentile: 88.0
- Lexical Diversity: 2.38596
- Patent Class: 381.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['11568240', '13967055', '14566959', '14274544', '15355865']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.6813605004011554
- 35 USC 102 Novelty (BERT): 0.5152837299246742
- Combined Prediction Score: 0.6647528233535073
- Mean Citation Score: 209.615182
- Max Citation Score: 215.50554
- Similarity Product: 124.45655286867856

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 0
- Claim Label 112: 0
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test