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IIT-Madras builds AI tech to convert brain signals into language – Chennaionline

Researchers at the Indian Institute of Technology Madras (IIT-Madras) have developed an Artificial Intelligence (AI) technology to convert brain signals of speech impaired humans

Introduction to Spherical Harmonics

Understanding Fourier Transforms: The Math That Gave Us Color TV

Fourier transforms are one of the most important algorithms in math, and help our electronics handle visual and audio signals in a sophisticated way.

The Fourier Transform, explained in one sentence

If, like me, you struggled to understand the Fourier Transformation when you first learned about it, this succinct one-sentence colour-coded explanation from Stuart Riffle probably comes several years too late: Stuart provides a more detailed explanation here. This is the formula for the Discrete Fourier Transform, which converts sampled signals (like a digital sound recording) into the frequency domain (what tones are represented in the sound, and at what energies?). It s the mathematical engine behind a lot of the technology you use today, including mp3 files, file compression, and even how your old AM radio stays in tune. The daunting.

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