APPARATUS AND METHOD FOR DECODING AN ENCODED AUDIO SIGNAL USING A CROSS-OVER FILTER AROUND A TRANSITION FREQUENCY.
摘要
Apparatus for decoding an encoded audio signal comprising an encoded core signal (1), comprising: a core decoder (1400) for decoding the encoded core signal (1401) to obtain a decoded core signal; a tile generator (1404) for generating one or more spectral tiles having frequencies not included in the decoded core signal using a spectral portion of the decoded core signal; and a cross-over filter (1406) for spectrally cross-over filtering the decoded core signal and a first frequency tile having frequencies extending from a gap filling frequency (309) to an upper border frequency or for spectrally cross-over filtering a first frequency tile and a second frequency tile.
申请公布号
MX2016000857(A)
申请公布日期
2016.05.05
申请号
MX20160000857
申请日期
2014.07.15
申请人
FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
发明人
FISCHER, MICHAEL;DISCH, SASCHA;GEIGER, RALF;NAGEL, FREDERIK;HELMRICH, CHRISTIAN;SCHMIDT, KONSTANTIN;NEUKAM, CHRISTIAN