Title:
マルチチャンネル信号を符号化するためのオーディオエンコーダおよび符号化されたオーディオ信号を復号化するためのオーディオデコーダ
Document Type and Number:
Japanese Patent JP7077290
Kind Code:
B2
Abstract:
An audio encoder 2" for encoding a multichannel signal 4 comprises a downmixer 12 for downmixing the multichannel signal 4 to obtain a downmix signal 14, a linear prediction domain core encoder 16 for encoding the downmix signal 14, wherein the downmix signal 14 has a low band and a high band, wherein the linear prediction domain core encoder 16 is configured to apply a bandwidth extension processing for parametrically encoding the high band, a filterbank 82 for generating a spectral representation of the multichannel signal 4, and a joint multichannel encoder 18 configured to process the spectral representation comprising the low band and the high band of the multichannel signal to generate multichannel information 20.
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Inventors:
Dishi Sascha
Fuchs Guillaume
Rahm Emanuel
Neucam Christian
Schmidt Constantine
Bendorf Konrad
Kneader Myr Andreas
Schubert Benjamin
Geiger Ralph
Fuchs Guillaume
Rahm Emanuel
Neucam Christian
Schmidt Constantine
Bendorf Konrad
Kneader Myr Andreas
Schubert Benjamin
Geiger Ralph
Application Number:
JP2019189837A
Publication Date:
May 30, 2022
Filing Date:
October 17, 2019
Export Citation:
Assignee:
Fraunhofer-Gezel Shaft Tsa Felder Lung der Angewanten Forashunk A. Fao
International Classes:
G10L19/008; G10L19/02; G10L19/12; G10L19/20
Domestic Patent References:
| JP2012521012A | ||||
| JP2012505429A | ||||
| JP2011528129A | ||||
| JP2011527453A | ||||
| JP9200055A | ||||
| JP2008505368A | ||||
| JP2007515672A |
Foreign References:
| WO2006025337A1 |
Other References:
堤公孝 他,"VoLTEのさらなる高音質化と音楽の活用を実現する3GPP標準音声符号化方式EVS",NTT DOCOMOテクニカル・ジャーナル,2015年01月01日,Vol.22,No.4,pp.6-13
Attorney, Agent or Firm:
Okada
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