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Problem Addressed

Many consumer electronic devices and computer applications make use of speech interfaces. For small embedded systems such as wearable devices, it is desirable to shrink the size and power footprint of speech recognition capabilities below what is possible with current computing technology. Existing methods for ASR in embedded system are either implemented on low-power processors that do not allow for sophisticated speech models, or use cloud services that are reliant on Internet connectivity. The Inventors have developed a special-purpose architecture for speech processing that applies algorithmic techniques and integrated circuit (IC) technology to produce small, low-power speech recognizers that enable sophisticated speech interfaces on devices where an internet connection is unavailable.