PATENT CLAIM ANALYSIS

Application Number: 15973154
Application Type: Utility
Filing Date: 2018-05
Publication Date: 2018-09
Patent Classification: ["381", "098000"]

Abstract:
Methods and apparatus to perform audio watermarking and watermark detection and extraction are disclosed. Example apparatus disclosed herein to embed a code into an audio signal include means for selecting frequency components to be used to represent the code, different sets of frequency components to represent respectively different information, respective ones of the frequency components in the sets of frequency components located in respective code bands, there being multiple code bands and spacing between adjacent code bands being equal to or less than the spacing between adjacent frequency components in the code bands. Disclosed example apparatus further include means for synthesizing the frequency components to be used to represent the code and means for combining the synthesized frequency components with an audio block of the audio signal.

Claim (Index 6):
The apparatus of  claim 1 , wherein a subset of the selected frequency components represents a synchronization symbol.

Metadata:
- Claim Count in Document: 50.0
- Percentile: 93.0
- Lexical Diversity: 2.21667
- Patent Class: 381.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: False
- Related Applications: ['15269158', '12249619', '13730271', '14195547', '12771640']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.6748681245594924
- 35 USC 102 Novelty (BERT): 0.4874568896793343
- Combined Prediction Score: 0.6561270010714766
- Mean Citation Score: 197.858372
- Max Citation Score: 214.06438
- Similarity Product: 171.4305058081603

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