Analysis filterbank synthesis filterbank encoder decoder mixer and conferencing system

Abstract

A mixer for mixing a plurality of input frames comprise an entropy decoder configured to entropy decode a plurality of input frames a scaler configured to scale the plurality of entropy decoded input frames in the frequency domain an adder configured to add up the scaled frames in the frequency domain to generate an added frame in the frequency domain and an entropy encoder configured to entropy encode the added frame to obtain a mixed frame wherein the plurality of input frames is generated by an encoder comprising an analysis filterbank for filtering a plurality of time-domain input frames a windower configured to generate a plurality of windowed frames and to process the plurality of input frames in an overlapping manner using a sample advance value wherein the input frames overlap in a number of ordered input samples which is higher than half the number of ordered input samples of the input frames. Thereby lower delay without reducing the audio quality is achieved.

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4G,3G	06/03/2016	ISLD-201512-009	FRAUNHOFER SOCIETY	S1 TS Number: TS 126 445 Version No: Illustrative part: ---- Release: + -				No	Family Member

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WO2008046468A2	4G,3G	06/03/2016	ISLD-201512-009	FRAUNHOFER SOCIETY	S1 TS Number: TS 126 445 Version No: ---- Section No: ---- Release : ---- + -	Yes	Basis Patent
WO2008046468A3	4G,3G	06/03/2016	ISLD-201512-009	FRAUNHOFER SOCIETY	S1 TS Number: TS 126 445 Version No: ---- Section No: ---- Release : ---- + -	Yes	Basis Patent
AT554480T	4G,3G	06/03/2016	ISLD-201512-009	FRAUNHOFER SOCIETY	S1 TS Number: TS 126 445 Version No: ---- Section No: ---- Release : ---- + -	No	Family Member
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AU2007312696A8	4G,3G	06/03/2016	ISLD-201512-009	FRAUNHOFER SOCIETY	S1 TS Number: TS 126 445 Version No: ---- Section No: ---- Release : ---- + -	No	Family Member
AU2007312696B2	4G,3G	06/03/2016	ISLD-201512-009	FRAUNHOFER SOCIETY	S1 TS Number: TS 126 445 Version No: ---- Section No: ---- Release : ---- + -	No	Family Member
AU2011201330A1	4G,3G	06/03/2016	ISLD-201512-009	FRAUNHOFER SOCIETY	S1 TS Number: TS 126 445 Version No: ---- Section No: ---- Release : ---- + -	No	Family Member
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CA2667059C	4G,3G	06/03/2016	ISLD-201512-009	FRAUNHOFER SOCIETY	S1 TS Number: TS 126 445 Version No: ---- Section No: ---- Release : ---- + -	No	Family Member
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