Process for transmitting and receiving a signal

Details Process for transmitting and receiving a signal Process for transmitting and receiving a signal

1992-01-17

1993-07-13

Nguyen, Long T.

Boots, shoes, and leggings

G06F 1531

Patent

active

052279901

ABSTRACT:
A signal is divided by windows into successive blocks that overlap at least by 50% and signal sections contained in the blocks are evaluated by analysis windows. The signal sections contained in the blocks are subjected to a transformation which permits sub-sampling with compensation of the aliasing components such as, for example, the "time domain aliasing cancellation" method. The spectra resulting from the transformation are subsequently coded, transmitted, decoded after transmission and changed back to signal sections by re-transformation. The blocks including the signal sections are evaluated by synthesis windows and are joined together in an overlapping fashion. The window functions of the synthesis windows are determined in dependence on the window functions of the corresponding analysis windows in the overlap region.

REFERENCES:
patent: 5109417 (1992-04-01), Fielder et al.
Princen et al., "Analysis/Synthesis Filter Bank Design Based on Time Domain Aliasing Cancellation," IEEE Transactions of Acoustics, etc., vol. ASSP-34, No. 5, Oct. 1986, pp. 1153-1161.
Audio Engineering Society, Mar. 1989, Hamburg, Germany; Bernhard Feiten: "Spectral Properties of Audio Signals and . . . ".

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