Patents by Inventor Janne Kivinen

Janne Kivinen 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 and circuit arrangement for adjusting the level or dynamic range of an audio signal
    Patent number: 5907823
    Abstract: The invention relates to a method and a circuit arrangement for adjusting the level and/or dynamic range of an audio signal in a transmission system and particularly in a mobile station. According to the invention, the level of acoustic noise in the environment of a terminal (10, 12) and the level and noise level of a received signal are measured (123) and the level and/or dynamic range of the reproduced signal are adjusted (121, 122) according to the results from said measurements. The solution according to the invention helps reduce the effect of noise in the signal transmitted on the transmission channel (11) and of the acoustic noise in the environment of the terminal (12) on the intelligibility of the reproduced information.
    Type: Grant
    Filed: September 11, 1996
    Date of Patent: May 25, 1999
    Assignee: Nokia Mobile Phones Ltd.
    Inventors: Jari Sjoberg, Janne Kivinen, Ari Koski, Mauri Vaananen