Edge Emotion Recognition: Enhancing Human-Machine Interaction through Real-Time Speech Analysis | by Rüdiger Buchkremer, PhD | Jul, 2023


In the modern world, our conversations with computers have grown exponentially. But alas, these technological marvels are oblivious to our emotions, which can be inconvenient. In this article, I am trying to unveil the intriguing approaches to detecting emotions through advanced technical means. And not just that, I will also regale you with the tale of a groundbreaking procedure developed at our innovative university research institute that can operate without a network connection. So, buckle up and prepare to be enthralled by the wonders of emotion recognition technology!

Source: Author, image generated with artificial intelligence (leonardo.ai)

Background Story

People express their feelings through more than just the words they say. The tone of their voice, the speed they talk, and even the silences in between can give clues to happiness, sadness, anger, fear, disgust, and surprise.

But standard computers have no idea what any of that means. They just process the basic sounds of speech.

Lately, I have increasingly had to communicate with computers with either a human intermediary providing guidance or responding directly to my inquiries. It bothered me that these computers seemed utterly unaware of the emotional impact this interaction had on me, as they consistently replied in a detached and objective manner, which only intensified my frustrations.

To address this issue, researchers at our institute embarked on a collaborative study, the results of which were recently published by the authors Dominik and myself, in a scientific article, which is quite lengthy and technical in nature. However, I am delighted to inform you that the link to our original 24-page scientific paper, recently published in the Journal of Computer Science Research, can be found at the end of the current article.

Current Technologies Technical Background

As the integration of machines into our daily lives continues to progress, a growing demand arises for these machines to possess the ability to understand human emotions. When we engage with computers, robotics, and AI assistants, it is innate for us to express our emotions through various means, such as changes in our…



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