Patent ID: 8426715
Filing Date: 2013-04-23
Classification: G11B

Abstract:
1. A method of combining audio tracks on a digital audio media player device, the method comprising: performing digital analysis of digital audio media content for beat detection for at least two pieces of digital media content, wherein performing the digital analysis of digital audio media content for beat detection for the at least two pieces of digital media content comprises determining stress phases at least based on a music genre and a loudness measure; producing metadata for the digital audio media content containing information as to beat tempo and phase of the digital audio media content, the metadata comprising a tempo curve representing beat tempo for the digital audio media content pieces as a function of time; and utilizing the beat tempo and phase information from the metadata and using the digital audio media player device for playing digital audio media, playing a combination of the at least two pieces of the digital audio media content on the digital audio media player device, wherein playing the combination of the at least two pieces of the digital audio media content on the digital audio media player device comprises aligning of stress phase of the beats of the at least two pieces of the digital audio media content; wherein utilizing the beat tempo and phase information from the metadata comprises selecting songs having beat matching compatibility from a music library on the digital audio media player device based on a first tempo tolerance threshold that permits beat matching comprising phase alignment at a junction point and rate alignment of the songs without altering beat tempo of the songs.