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Systems and methods for generating haptic effects associated with transitions in audio signals

  • US 9,711,014 B2
  • Filed: 11/12/2013
  • Issued: 07/18/2017
  • Est. Priority Date: 09/06/2013
  • Status: Expired due to Fees
First Claim
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1. A system for outputting haptic effects comprising:

  • a processor configured to;

    receive a signal;

    determine a haptic effect based in part on the signal by;

    identifying one or more transitions in the signal by;

    determining a contribution of one or more frequency bands of the signal to a Total Power Spectral Density by comparing a value of a Power Spectral Density of each frequency band to the Total Power Spectral Density per time window;

    determining the Power Spectral Density of one or more frequency bands within a first time window and a second time window;

    determining a first rate of change of the Power Spectral Density of the one or more frequency bands from the first time window to the second time window; and

    determining a first distance equal to a first sum of the first rate of change weighted by a contribution of each frequency band;

    applying one or more haptic markers to the one or more transitions; and

    synching one or more haptic effects to the one or more haptic markers; and

    output a haptic signal associated with the haptic effect.

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