Wake Word
Wake word detection focuses on accurately and efficiently identifying a specific keyword (e.g., "Hey Google") in audio input to activate voice-controlled devices. Current research emphasizes improving robustness in noisy environments and for users with speech impairments, exploring model architectures like convolutional neural networks (CNNs), transformers, and hybrid CNN-HMM systems, often incorporating audio-visual information for enhanced accuracy. These advancements are crucial for improving the user experience and security of voice-activated devices, impacting both the development of more efficient algorithms and the accessibility of smart technology for diverse populations.