Patents by Inventor Jarno Seppänen

Jarno Seppänen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method, apparatus and computer program product for providing rhythm information from an audio signal
    Patent number: 7612275
    Abstract: An apparatus for providing a beat and tatum tracker includes an accent filter bank, a periodicity estimator, a period estimator and a phase estimator. The accent filter bank is configured to downsample an input audio signal. The periodicity estimator is configured to determine a periodicity based on the downsampled signal. The period estimator is configured to determine a period based on the periodicity. The phase estimator is configured to estimate a phase based on the period for determining beat and tatum times of the input audio signal.
    Type: Grant
    Filed: April 18, 2006
    Date of Patent: November 3, 2009
    Assignee: Nokia Corporation
    Inventors: Jarno Seppänen, Antti Eronen, Jarmo Hiipakka