Audiocodierungsvorrichtung, -Verfahren und -Programm sowie Audiodecodierungsvorrichtung, -Verfahren und -Programm

Details

Veröffentlichungs-Nr.

EP4239635

Aktenzeichen

EP23187229

Anmeldetag

4. November 2011

Veröffentlichung

25. Juni 2025

Erteilung

25. Juni 2025

Rechtsraum

EP

IPC

G10L19/005G10L25/21

Abstract

An audio encoding device for encoding an audio signal consisting of a plurality of frames, the audio encoding device comprising: an audio encoding unit for encoding the audio signal; and an auxiliary information encoding unit for estimating and encoding auxiliary information about a temporal change of power of the audio signal, the auxiliary information being used in packet loss concealment in decoding of the audio signal, wherein the auxiliary information encoding unit estimates and encodes quantized transient power and a flag of sudden change of power, as the auxiliary information.

Anmelder

Firma

NTT DOCOMO, INC.

Land

🇯🇵 Japan

Fachgebiete