Perceptually improved encoding of acoustic signals

Details Perceptually improved encoding of acoustic signals Perceptually improved encoding of acoustic signals

G - Physics

10

L

G10L 19/02 (2006.01) G10L 21/02 (2006.01) H04B 1/66 (2006.01)

Patent

CA 2424373

The present invention relates to encoding of an acoustic source signal (x) such that a corresponding signal (z) reconstructed on basis of the encoded information has a perceptually high sound quality. The acoustic source signal (x) is encoded into at least one basic coded signal (P) by a coding arrangement in a transmitter (300). The at least one basic coded signal (P) thus represents perceptually significant characteristics of the acoustic signal (x). The coding arrangement in the transmitter (300) may include at least one spectral smoothing unit (305a), which receives at least one of the signal components on which the basic coded signal P is based and generates in response thereto a corresponding smoothed signal component. At least one enhanced coded signal P(E) is then produced from i.a. the corresponding smoothed signal component.

La présente invention concerne le codage d'un signal (x)? ¿de source sonore qui est effectué de sorte qu'un signal correspondant (z) reconstruit à partir des informations codées possède une qualité de son élevée perceptible. Le signal (x) de source sonore est codé sous forme d'au moins un signal codé (P) de base au moyen d'un dispositif de codage intégré dans un émetteur (300). Le ou les signaux codés (P) de base représentent ainsi des caractéristiques significativement perceptibles du signal sonore (x). Le dispositif de codage intégré dans l'émetteur (300) peut comprendre au moins une unité de lissage spectral (305a) qui reçoit au moins une des composantes du signal sur laquelle est fondé le signal codé (P) de base et génère en réponse à cette dernière une composante de signal lissé correspondante. Au moins un signal codé amélioré P¿(E) ?est ensuite produit à partir de la composante de signal lissé correspondante.

Affiliated with

Also associated with

Rating

Perceptually improved encoding of acoustic signals does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Perceptually improved encoding of acoustic signals, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Perceptually improved encoding of acoustic signals will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1813590