Technical Design for an Automated Spoken English Assessment System

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Chapters

Language

English

Genre

Technology

Published

July 2, 2025

Synopsis

This book, "Technical Design for an Automated Spoken English Assessment System" by Vikram Singh Sankhala, presents a comprehensive technical blueprint for building a CEFR-aligned spoken English assessment system. It details a multi-modal, multi-task transformer architecture integrating cutting-edge AI models like data2vec2 for speech encoding, an M-adapter for modality fusion, and a large language model (LLM) for scoring. The design outlines the core components including a specialized Accent Classifier (MPSA-DenseNet) and a Phoneme-level Scorer, detailing the data flow pipeline from raw audio input through feature extraction, multi-modal fusion, and independent scoring modules, culminating in aggregated results and explainable reports for candidates and administrators. The book elaborates on the proposed multi-stage model training strategy, covering pre-training for robust feature extraction and fine-tuning on labeled assessment data for accurate multi-task prediction (CEFR, sub-skills). It also addresses practical deployment considerations, suggesting a microservices architecture on cloud platforms like Google Cloud Vertex AI for scalability and real-time inference. By presenting this detailed technical architecture and implementation strategy, the book provides a clear roadmap for developers and researchers aiming to build a robust, deployable automated spoken English assessment application capable of delivering granular, multi-faceted feedback.

About the Author

VSS

Vikram Singh Sankhala

Vikram Singh Sankhala brings a unique analytical perspective to Vedic astrology. His expertise in multi-modal AI, agentic systems, and data-driven solutions allows him to decode ancient astrological principles through modern scientific frameworks. Sankhala's innovative approach combines traditional Vedic wisdom with contemporary visualization techniques, making complex astrological concepts accessible to modern practitioners. His passion lies in bridging ancient knowledge systems with cutting-edge technology to create practical, evidence-based guidance for personal and professional growth. "Vedic astrology is humanity's oldest data science – my mission is to help you unlock its timeless insights using today's analytical tools."

Technical Design for an Automated Spoken English Assessment System

Synopsis

About the Author

Vikram Singh Sankhala

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