EP 1794748 A1 20070613 - Data processing method by passage between different sub-band domains
Title (en)
Data processing method by passage between different sub-band domains
Title (de)
Datenverarbeitungsverfahren durch Übergang zwischen verschiedenen Subband-domänen
Title (fr)
Procédé de traitement de données par passage entre domaines différents de sous-bandes
Publication
Application
Priority
- FR 2005002127 W 20050823
- FR 0409820 A 20040916
Abstract (en)
[origin: US2009198753A1] The invention concerns data processing by passage between different subband domains, of a first number L to a second number M of subband components. After determining a third number K, least common multiple between the first number L and the second number M: a) if K is different from L, it consists in arranging in blocks, by a serial/parallel conversion, an input vector X(z) to obtain p2 polyphase component vectors (p2=KL); b) applying a square matrix filtering T(z) of dimensions KxK, to the p2 polyphase component vectors to obtain p1 polyphase component vectors for forming an output vector Y(z), with p1=K/M, and if the third number K is different from the second number M, providing a block arrangement by a parallel/serial conversion to obtain the output vector Y(z).
IPC 8 full level
G10L 19/02 (2013.01); G10L 19/16 (2013.01)
CPC (source: EP US)
G10L 19/0204 (2013.01 - EP US); G10L 19/173 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
FR 2875351 A1 20060317; AT E458242 T1 20100315; CN 101069233 A 20071107; CN 101069233 B 20110518; DE 602005019431 D1 20100401; EP 1794748 A1 20070613; EP 1794748 B1 20100217; JP 2008514071 A 20080501; JP 4850837 B2 20120111; US 2009198753 A1 20090806; US 8639735 B2 20140128; WO 2006032740 A1 20060330
DOCDB simple family (application)
FR 0409820 A 20040916; AT 05798240 T 20050823; CN 200580034793 A 20050823; DE 602005019431 T 20050823; EP 05798240 A 20050823; FR 2005002127 W 20050823; JP 2007531786 A 20050823; US 66298005 A 20050823