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:
Oct. 31, 2006
Filed:
Feb. 24, 2005
Vito Antonio Avantaggiati, Rome, IT;
Vito Antonio Avantaggiati, Rome, IT;
Accent S.p.A., Vimercate, IT;
Abstract
An up-sampled data stream, upsampled times a factor P, is generated by the input block providing signal samples having a frequency rate, while an intermediate data stream is generated by a Rate Adapting Stage providing signal samples adapted to an intermediate frequency rate. An output data stream is delivered by a final low pass filter, and includes M signal samples having a desired output sample frequency rate (f=M/Ts). The method provides generation of a provisional stream in the Rate Adapting Stage, wherein this provisional stream is affected by aliases falling within the output Nyquist band [−f/2, f/2], although being adapted to the output frequency rate by a direct insertion of zero samples into the processed stream when L<M, or by a direct cancellation of samples when L>M. Then these aliases are suppressed in the Rate Adapting Stage by weighting the provisional stream via a set of weights.