公开(公告)号：EP1395981B1

公开(公告)日：2007-10-31

申请号：EP02743323.4

申请日：2002-05-15

Applicant: Wavecom

Inventor： BIETRIX, Franck ,  CADUSSEAU, Hubert

IPC: G10L19/02 ,  G10L21/02

CPC classification number: G10L21/0208 ,  G10L19/0212 ,  G10L2021/02082

Abstract: The invention concerns audio signal processing, comprising: a first processing (205) of an audio source signal, using at least a mathematical transform applied on first sequences of samples obtained by applying first segmentation windows (505, 506, 700, 701) on the audio source signal; and a second audio processing (206) applied on second sequences of samples obtained by applying second segmentation windows (507, 508) on the signal delivered by the fist step; the two successive first windows and/or the two successive second windows overlapping, the overlaps being such that the segmentations are synchronous.

公开(公告)号：WO2002093558A1

公开(公告)日：2002-11-21

申请号：PCT/FR2002/001640

申请日：2002-05-15

Applicant: WAVECOM ,  BIETRIX, Franck ,  CADUSSEAU, Hubert

Inventor： BIETRIX, Franck ,  CADUSSEAU, Hubert

IPC: G10L19/02

CPC classification number: G10L21/0208 ,  G10L19/0212 ,  G10L2021/02082

Abstract: Dispositif et procédé de traitement d'un signal audio. L'invention concerne le traitement d'un signal audio, comprenant :- un premier traitement (205) d'un signal audio source, mettant en oeuvre au moins une transformation mathématique appliquée sur des premières séquences d'échantillons obtenues par l'application de premières fenêtres (505, 506, 700, 701) de segmentation sur le signal audio source ; et - un deuxième traitement (206) audio, appliquée sur des secondes séquences d'échantillons obtenues par l'application de secondes fenêtres de segmentation (507, 508) sur le signal délivré par la première étape ; les deux premières fenêtres successives et/ou deux secondes fenêtres successives se chevauchant, les chevauchements étant tels que les segmentations soient synchrones.

Abstract translation: 本发明涉及音频信号处理，包括：音频源信号的第一处理（205），使用至少应用于通过在第一分割窗口（505,506,700,701）上应用的第一序列样本上的数学变换 音源信号; 以及第二音频处理（206），其应用于通过对由第一步骤传递的信号应用第二分割窗口（507,508）而获得的第二样本序列; 两个连续的第一窗口和/或两个连续的第二窗口重叠，所述重叠使得分段是同步的。

公开(公告)号：EP1395981A1

公开(公告)日：2004-03-10

申请号：EP02743323.4

申请日：2002-05-15

Applicant: Wavecom

Inventor： BIETRIX, Franck ,  CADUSSEAU, Hubert

IPC: G10L19/02 ,  G10L21/02

CPC classification number: G10L21/0208 ,  G10L19/0212 ,  G10L2021/02082

Abstract: The invention concerns audio signal processing, comprising: a first processing (205) of an audio source signal, using at least a mathematical transform applied on first sequences of samples obtained by applying first segmentation windows (505, 506, 700, 701) on the audio source signal; and a second audio processing (206) applied on second sequences of samples obtained by applying second segmentation windows (507, 508) on the signal delivered by the fist step; the two successive first windows and/or the two successive second windows overlapping, the overlaps being such that the segmentations are synchronous.