PATENT CLAIM ANALYSIS

Application Number: 16396253
Application Type: Utility
Filing Date: 2019-04
Publication Date: 2019-08
Patent Classification: ["704", "223000"]

Abstract:
The present disclosure relates methods and apparatus for recovering a lost frame in a received audio signal. One example method includes obtaining an initial high-frequency band signal of a current lost frame in the received audio signal, calculating a ratio R, where the ratio R is a ratio of a high frequency excitation energy of a previous frame of the current lost frame to a high frequency excitation energy of the current lost frame, obtaining a global gain of the current lost frame according to the ratio R and a global gain of the previous frame of the current lost frame, and recovering a high-frequency band signal of the current lost frame according to the initial high-frequency band signal of the current lost frame and the global gain of the current lost frame.

Claim (Index 6):
The method according to  claim 1 , wherein obtaining the global gain of the current lost frame according to the ratio R and the global gain of the previous frame of the current lost frame comprises:\n obtaining the global gain of the current lost frame according to the following formula:\n G \u2032=min((0.5\u00d7 R+ 0.5\u00d7 G ),4\u00d7 G ), \n where G\u2032 is the global gain of the current lost frame, and where G is the global gain of the previous frame of the current lost frame.

Metadata:
- Claim Count in Document: 3.0
- Percentile: 100.0
- Lexical Diversity: 3.15909
- Patent Class: 704.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['15817296', '15385881', '16043880', '14981956', '14985831']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.2891931977796025
- 35 USC 102 Novelty (BERT): 0.5908199360703975
- Combined Prediction Score: 0.319355871608682
- Mean Citation Score: 353.64965399999994
- Max Citation Score: 478.25192
- Similarity Product: 472.3834964330196

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