Computer-Implemented Systems and Methods for Automatically Generating an Assessment of Oral Recitations of Assessment Items

Patent №

US 10,559,225

Granted

2020-02-11

Filed 2018

Owner

EDUCATIONAL TESTING SERVICE

Lab

AI components

5

ml · nlp · speech · kr · hardware

Assignment

Recorded

Dataset

AIPD

2023_r1 edition

Application

15988232

Provide automatic assessment of oral recitations during computer based language assessments using a trained neural network to automate the scoring and feedback processes without human transcription and scoring input by automatically generating a score of a language assessment. Providing an automatic speech recognition (“ASR”) scoring system. Training multiple scoring reference vectors associated with multiple possible scores of an assessment, and receiving an acoustic language assessment response to an assessment item. Based on the acoustic language assessment automatically generating a transcription, and generating an individual word vector from the transcription. Generating an input vector by concatenating an individual word vector with a transcription feature vector, and supplying an input vector as input to a neural network. Generating an output vector based on weights of a neural network; and generating a score by comparing an output vector with scoring vectors.

Machine learningNatural languageSpeechKnowledge representationAI hardwareG09B 19/04G06N 3/04G06N 3/045G06N 3/0499G06N 3/084G06N 3/09G06N 3/096G10L 15/16+1 more

AI classification

Natural language1.00
Speech1.00
Machine learning1.00
Knowledge representation1.00
AI hardware0.96
Vision0.44
Evolutionary computation0.01
Planning0.01

Ownership

EDUCATIONAL TESTING SERVICE

assignment · 458930587

Assignors

TAO, JIDONG, CHEN, LEI, LEE, CHONG MIN

On an employer assignment, the assignors are typically the inventors.

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