PATENT CLAIM ANALYSIS

Application Number: 16207005
Application Type: Utility
Filing Date: 2018-11
Publication Date: 2019-08
Patent Classification: ["381", "066000"]

Abstract:
Embodiments of the present disclosure provide a method and a device for cancelling an echo, and a computer readable storage medium. The device includes a loudspeaker configured to play an acoustic signal corresponding to an analog audio signal. The device further includes a microphone configured to convert a mixed acoustic signal received into a mixed audio signal. The mixed acoustic signal includes an echo of the acoustic signal played and an acoustic signal from a user. The device further includes an analog-to-digital converter configured to convert the analog audio signal into a digital signal as an echo reference signal. The device further includes an echo canceller, configured to cancel an echo component from the mixed audio signal using the echo reference signal to obtain a user audio signal corresponding to the acoustic signal from the user.

Claim (Index 5):
The electronic device according to  claim 1 , wherein the echo canceller is further configured to:\n perform a residual echo cancellation process on the user audio signal.

Metadata:
- Claim Count in Document: 23.0
- Percentile: 98.0
- Lexical Diversity: 2.88
- Patent Class: 381.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['12110773', '14651564', '13933005', '12794451', '15406172']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7192666152953401
- 35 USC 102 Novelty (BERT): 0.4784436826395359
- Combined Prediction Score: 0.6951843220297597
- Mean Citation Score: 220.415352
- Max Citation Score: 224.80147
- Similarity Product: 190.97566907098167

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

Dataset: test