The invention relates generally to telecommunications. More specifically, the invention
relates to echo cancellation in data, Voice and other communication Systems. 2. Description …

Two multiply-accumulate units are coupled together so that the computation (B* C)+(D* E)
can be completed in one cycle. An adder (216) adds together the products of the two …

BACKGROUND Cable Television (CATV) Networks have been undergoing rapid upgrading,
particularly in North America, to provide advanced services, such as digital video, telephony …

BACKGROUND Line echoes (ie, electrical echoes) occur in telecommu nications networks
due to impedance mismatches at hybrid transformers that couple two-wire local customer …

Primary Examiner Tan V. Mai (57) ABSTRACT An apparatus having plurality of filter
processing elements is provided in order to obtain adequate calculation power, particularly …

57 ABSTRACT A reception signal is input to an echo generator System. An observation
signal is gathered from the System. The recep tion Signal is filtered to produce an echo …

BACKGROUND Digital signal processing is concerned with the represen tation of signals in
digital form and the transformation or processing of Such signal representation using …

0002. When two integer numbers with N bit precision are multiplied, the result has 2N bit
precision. For most appli cations, Sufficient precision may be maintained by reducing the …

This invention describes a method of computing a fast Fourier transform (FFT) using
enhanced processor compu tational capabilities for more efficient and flexible imple …

Itis thus an Object ofthe presentinventionto provide a uSerStatiOn fora
buSSyStemandamethOd. Which SOlvethe abOVe-mentiOned problemS. In particular …