Method and system for extracting sports highlights from audio signals
OwnerZiyou Xiong, Regunathan Radhakrishnan +1inventors
InventorsZiyou Xiong, Regunathan Radhakrishnan, Ajay Divakaran
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Abstract
A method extracts highlights from an audio signal of a sporting event. The audio signal can be part of a sports videos. First, sets of features are extracted from the audio signal. The sets of features are classified according to the following classes: applause, cheering, ball hit, music, speech and speech with music. Adjacent sets of identically classified features are grouped. Portions of the audio signal corresponding to groups of features classified as applause or cheering and with a duration greater than a predetermined threshold are selected as highlights.
Claims10
A method for extracting highlights from an audio signal of a sporting event, comprising:
- extracting sets of features from an audio signal of a sporting event;
- classifying the sets of the extracted features according to classes selected from the group consisting of applause, cheering, ball hit, music, speech and speech with music;
- grouping adjacent sets of identically classified features;
- and
- selecting as highlights portions of the audio signal corresponding to groups of features classified as applause or cheering and with a duration greater than a predetermined threshold.
A system for extracting highlights from an audio signal of a sporting event, comprising:
- means for extracting sets of features from an audio signal of a sporting event;
- means for classifying the sets of the extracted features according to classes selected from the group consisting of applause, cheering, ball hit, music, speech and speech with music;
- means for grouping adjacent sets of identically classified features;
- and
- means for selecting as highlights portions of the audio signal corresponding to groups of features classified as applause or cheering and with a duration greater than a predetermined threshold.
Dependencies are inferred from the claim text.