MUMBAI, India, June 26 -- Intellectual Property India has published a patent application (202621052098 A) filed by Symbiosis International Deemed University on April 23, 2026, for Speech-Controlled Emotion Recognition System With Integrated Microcontroller-Based Visual And Auditory Feedback.
Inventors include Jivesh Chawla; Chaitanya Kharpate; Dr. Monali Gulhane; and Dr. Nitin Rakesh.
The application for the patent was published on June 19, 2026, under issue no. 25/2026.
Abstract: ABSTRACT SPEECH-CONTROLLED EMOTION RECOGNITION SYSTEM WITH INTEGRATED MICROCONTROLLER-BASED VISUAL AND AUDITORY FEEDBACK The present invention discloses a speech-controlled emotion recognition system (100) that integrates speech recognition, sentiment analysis, and microcontroller-based hardware feedback for real-time emotion detection and indication. The system comprises a speech recognition module (110) with audio input device (112) and speech-to-text conversion unit (114), a sentiment analysis module (120) with sentiment analyzer (122) and emotion classifier (124), a communication interface module (130) with Arduino Uno microcontroller unit (132) and serial communication handler (134), and an emotion feedback module (140) with LED visual indicators (142) and piezoelectric buzzer auditory indicator (144). The system captures user speech, converts it to text, analyzes emotional content using lexicon-based sentiment analysis, classifies emotions into happy, sad, angry, or neutral categories, and provides immediate tangible feedback through colored LEDs and variable frequency tones. The invention provides a cost-effective, accessible solution for emotion-aware human-computer interaction applicable in assistive technologies, mental health monitoring, and interactive systems. [
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