Device for processing realistic sub-band signal of multiple realistic sub-band signals, has weigher for weighing sub-band signal with weighing factor that is specified for sub-band signal around subband-signal to hold weight

摘要

The device has a weigher (10) for weighing sub-band signal with a weighing factor (C-k) that is specified for the sub-band signal around a subband-signal (11) to hold a weight. A corrected determinator (12) is provided for calculating a correction term. The correction term determinator calculates the correction term under application of another sub-band signal (X-l) and under application of another weighing factor (C-l), which is provided for the other sub-band signal. The other weighing factor is different from weighing factor and a combiner (13) for combining the weighted sub-band signal. Independent claims are also included for the following: (1) a method for processing a real sub-band signal (2) an analysis filter bank has a mechanism for producing multiple sub-band signals from a time-discrete signal (3) a synthesis filter bank (4) a method for filtering a time-discrete signal (5) a method for synthesizing a signal (6) a computer program has a program code for execution of the method.