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Explore the 60-year evolution of real-time FFT convolution algorithms in this 24-minute conference talk from ADC 2024. Trace the development from the original Cooley-Tukey FFT algorithm to today's sophisticated techniques, examining four pivotal advancements: Overlap-Add, Overlap-Save, Uniform Partitioned Convolution, and Non-Uniform Partitioned Convolution. Discover the historical context and mathematical foundations behind each method while learning about their practical implementation considerations. Gain comprehensive insights into the comparative advantages and limitations of each algorithm, presented by Selim Sheta, an audio processing engineer at L-Acoustics who specializes in real-time immersive audio algorithms including multi-channel reverb and compression. Understand how these fundamental DSP techniques have shaped modern audio processing and their continued relevance in contemporary audio development applications.
