Glossary Library

Technical GlossarySpeech, Voice and Audio AI

Small-Footprint Keyword Spotting

An approach focused on designing lightweight keyword spotting models for devices with limited memory and compute.

Small-footprint keyword spotting is critically important for resource-constrained platforms such as microcontrollers, smart speakers, and wearables. The model must be not only accurate but also extremely efficient. Quantization, distillation, and lightweight architectures are therefore widely used in this area. It is one of the key problem spaces in embedded Audio AI.

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Explore these concepts to continue your artificial intelligence journey.

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Automatic Speech Recognition

The core speech-to-text task aimed at converting human speech into text.

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End-to-End ASR

An approach that performs speech-to-text conversion with a single unified network instead of separate acoustic and language models.

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CTC Decoding

A core learning and decoding approach that helps recover text from speech sequences with unknown alignments.