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Computing with hypervectors for efficient speaker identification
Redwood Center of Theoretical Neuroscience, University of California, Berkeley, USA.
Redwood Center of Theoretical Neuroscience, University of California, Berkeley, USA; Intelligent Systems Lab, Research Institutes of Sweden, Sweden.ORCID iD: 0000-0002-6032-6155
Berkeley Wireless Research Center, University of California, Berkeley, USA.
Redwood Center of Theoretical Neuroscience, University of California, Berkeley, USA.
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2022 (English)Manuscript (preprint) (Other academic)
Abstract [en]

We introduce a method to identify speakers by computing with high-dimensional random vectors. Its strengths are simplicity and speed. With only 1.02k active parameters and a 128-minute pass through the training data we achieve Top-1 and Top-5 scores of 31% and 52% on the VoxCeleb1 dataset of 1,251 speakers. This is in contrast to CNN models requiring several million parameters and orders of magnitude higher computational complexity for only a 2× gain in discriminative power as measured in mutual information. An additional 92 seconds of training with Generalized Learning Vector Quantization (GLVQ) raises the scores to 48% and 67%. A trained classifier classifies 1 second of speech in 5.7 ms. All processing was done on standard CPU-based machines.

Place, publisher, year, edition, pages
2022. , p. 1-5p. 1-5
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Computer Sciences
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URN: urn:nbn:se:oru:diva-116486OAI: oai:DiVA.org:oru-116486DiVA, id: diva2:1903158
Available from: 2024-10-03 Created: 2024-10-03 Last updated: 2025-08-07Bibliographically approved

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Kleyko, Denis

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