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Oído: Open-Vocabulary Speech Recognition on a $5 Microcontroller without a Neural Accelerator

Sánchez, Daniel Varela et al.
arXiv (All) · Papers
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audio-and-speech-processingcomputation-and-languagesound
Speech recognition on low-cost microcontrollers is, in practice, limited to keyword spotting or a fixed list of commands. We present Oído, an inference engine that runs open-vocabulary English speech recognition entirely on an ESP32-S3 (240 MHz dual-core Xtensa LX7, 512 KB of SRAM, 8 MB of PSRAM, 16
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