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:
Jun. 13, 2006
Filed:
Feb. 07, 2005
Joni Jäntti, Oulu, FI;
Antti Ruha, Oulu, FI;
Joni Jäntti, Oulu, FI;
Antti Ruha, Oulu, FI;
Nokia Corporation, Espoo, FI;
Abstract
Techniques for sample rate conversion are disclosed. In one exemplary embodiment, a sample rate conversion occurs between first samples having a sample rate defined by a first clock signal and second samples having a sample rate defined by a second clock signal. Using a conversion ratio and at a first rate defined by the first clock signal, a given second sample is determined from at least one first sample. A write pointer is updated for a buffer when second samples are written into the buffer. A read pointer is updated for the buffer when second samples are read from the buffer. The second samples are read from the buffer at a second rate defined by the second clock signal. The conversion ratio is modified based on the write and read pointers.