The disclosed invention includes methods and systems for performing audio-aided data collection and retrieval, where the data collection and retrieval is related to one or more persons, or subjects or objects associated with one or more persons. The data collection and retrieval is performed with a help of audio data that contains at least some human audio biometrics or non-human audio characteristics and some annotation data of said audio data. The data collection and retrieval involves: audio data and annotation collection, audio data analysis and searching for similar audio data or its product, data searching and processing, results aggregation and presentation, and optional collection of feedback.
