PATENT CLAIM ANALYSIS

Application Number: 16429590
Application Type: Utility
Filing Date: 2019-06
Publication Date: 2019-10
Patent Classification: ["704", "500000"]

Abstract:
A technology of accurately coding and decoding coefficients which are convertible into linear prediction coefficients even for a frame in which the spectrum variation is great while suppressing an increase in the code amount as a whole is provided. A coding device includes: a first coding unit that obtains a first code by coding coefficients which are convertible into linear prediction coefficients of more than one order; and a second coding unit that obtains a second code by coding at least quantization errors of the first coding unit if (A-1) an index Q commensurate with how high the peak-to-valley height of a spectral envelope is, the spectral envelope corresponding to the coefficients which are convertible into the linear prediction coefficients of more than one order, is larger than or equal to a predetermined threshold value Th1 and/or (B-1) an index Q′ commensurate with how short the peak-to-valley height of the spectral envelope is, is smaller than or equal to a predetermined threshold value Th1′.

Claim (Index 3):
A decoding method, implemented by a decoding device that includes circuitry, comprising:\n a first decoding step in which the circuitry obtains first decoded values by decoding a first code, the first decoded values corresponding to coefficients which are convertible into linear prediction coefficients of more than one order; a second decoding step in which the circuitry obtains second decoded values of more than one order by decoding a second code if (A) an index Q commensurate with how high a peak-to-valley height of a spectral envelope is, the spectral envelope corresponding to the first decoded values of the coefficients which are convertible into the linear prediction coefficients of more than one order, is larger than or equal to a predetermined threshold value Th 1  and/or (B) an index Q\u2032 commensurate with how short the peak-to-valley height of the spectral envelope is, is smaller than or equal to a predetermined threshold value Th 1 \u2032; and an addition step in which the circuitry obtains third decoded values corresponding to the coefficients which are convertible into the linear prediction coefficients of more than one order by adding the first decoded values and the second decoded values of corresponding orders if (A) the index Q commensurate with how high the peak-to-valley height of the spectral envelope is, the spectral envelope corresponding to the first to decoded values of the coefficients which are convertible into the linear prediction coefficients of more than one order, is larger than or equal to the predetermined threshold value Th 1  and/or (B) the index Q\u2032 commensurate with how short the peak-to-valley height of the spectral envelope is, is smaller than or equal to the predetermined threshold value Th 1 \u2032.

Metadata:
- Claim Count in Document: 9.0
- Percentile: 100.0
- Lexical Diversity: 2.13415
- Patent Class: 704.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['16429387', '15306622', '16044678', '15307059', '16398429']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.3748028924007439
- 35 USC 102 Novelty (BERT): 0.6507880078774102
- Combined Prediction Score: 0.4024014039484105
- Mean Citation Score: 504.19979400000005
- Max Citation Score: 628.687
- Similarity Product: 617.2023400631548

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