The Echo Nest - 0 views
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The Echo Nest is a music technology company founded by two MIT Media Lab PhDs. The Echo Nest’s proprietary music analyzer API automatically analyzes audio (e.g., aif, wav, mp3, m4a), and generates an XML file describing the musical and structural content of the music. Computation takes about 1/50th of the duration of the track and the text output is about 1/20th of the size of its corresponding mp3.
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Unlike other automatic methods of acoustic feature extraction, which progress strictly on raw audio signal, our technology was inspired by how people perceive music. As a result, developers are able to automatically extract and use a wide array of time-based musical attributes for any song, including: timbre, pitch, rhythm, loudness, onsets, beats, tempo, sections, time signature, key, etc.
