Processes, computer program products and systems are presented. For example, the method, computer program products, and systems may include: retrieving an audio input, the audio input representing a sound emitted from a user interface responsive to a key press; Generating a contextual pattern based on the audio input; Performing a classification of the context pattern to classify the context pattern as belonging to a signature pattern classification, the signature pattern classification indicating user activity; and providing output based on performing the classification.
展开▼
