PATENT CLAIM ANALYSIS

Application Number: 16513261
Application Type: Utility
Filing Date: 2019-07
Publication Date: 2019-11
Patent Classification: ["381", "066000"]

Abstract:
A method is presented for estimating and suppressing reverberation from a digital reverberant signal. A method for changing a first reverberation estimation according to another reverberation estimation is further provided. A method for controlling the reverberation suppression rate is also presented.

Claim (Index 29):
A system to allow a user to adjust suppression of reverberation or noise from a digital signal that represents a sound signal, comprising:\n a multimedia signal processing system that is capable of processing a digital signal related to the sound signal and adapted to: analyze the digital signal by determining a plurality of time-frequency frames of the digital signal; derive a first estimation of reverberation or noise from one of the frames in a first time instant; derive a first signal-to-noise ratio or signal-to-reverberation ratio derive a first spectral gain from the first estimation; automatically determine a first exponent based upon the first signal-to-noise ratio or signal-to-reverberation ratio; derive a modified first spectral gain based on the first spectral gain raised to a first power related to the first exponent; wherein the modified first spectral gain is applied to the one frame in the second time instant; derive a second estimation of reverberation or noise from one of the frames in a second time instant; derive a second signal-to-noise ratio or signal-to-reverberation ratio derive a second spectral gain from the second estimation; automatically determine a second exponent based upon the second signal-to-noise ratio or signal-to-reverberation ratio; derive a modified second spectral gain based on the second spectral gain raised to a second power related to the second exponent; wherein the modified second spectral gain is applied to the one frame in the second time instant; output a signal that involves processing the frame in the second time instant utilizing the second modified spectral gain; and wherein the first exponent and the second exponent are different from one another, and wherein the second time instant is subsequent to the first time instant.

Metadata:
- Claim Count in Document: 29.0
- Percentile: 100.0
- Lexical Diversity: 1.57143
- Patent Class: 381.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['15790345', '15231451', '13798799', '14640664', '13922472']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7062542216054732
- 35 USC 102 Novelty (BERT): 0.611874104344698
- Combined Prediction Score: 0.6968162098793957
- Mean Citation Score: 405.886236
- Max Citation Score: 542.5827
- Similarity Product: 498.1363152764799

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

Dataset: test