The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 21, 2017
Filed:
Feb. 24, 2012
Jari Sjoberg, Kangasala, FI;
Ville Myllyla, Tampere, FI;
Emma Johanna Jokinen, Helsinki, FI;
Paavo Ilmari Alku, Helsinki, FI;
Hannu Juhani Pulakka, Espoo, FI;
Jari Sjoberg, Kangasala, FI;
Ville Myllyla, Tampere, FI;
Emma Johanna Jokinen, Helsinki, FI;
Paavo Ilmari Alku, Helsinki, FI;
Hannu Juhani Pulakka, Espoo, FI;
Nokia Technologies Oy, Espoo, FI;
Abstract
An apparatus comprising at least one processor and at least one memory including computer code for one or more programs, the at least one memory and the computer code configured to with the at least one processor to cause the apparatus to at least perform: estimating a signal to noise ratio value for an audio signal; generating a post-filter comprising at least one of: a first formant frequency filter and a second formant frequency filter, wherein the post-filter is dependent on the signal to noise ratio value for the audio signal.