Apparatus and method for processing an audio signal and for providing a higher temporal granularity for a combined unified speech and audio codec (USAC)

Abstract

An apparatus for processing an audio signal is provided. The apparatus comprises a signal processor (110; 205; 405) and a configurator (120; 208; 408). The signal processor (110; 205; 405) is adapted to receive a first audio signal frame having a first configurable number of samples of the audio signal Moreover the signal processor (110; 205; 405) is adapted to upsample the audio signal by a configurable upsampling factor to obtain a processed audio signal. Furthermore the signal processor (110; 205; 405) is adapted to output a second audio signal frame having a second configurable number of samples of the processed audio signal. The configurator 120; 208; 408) is adapted to configure the signal processor (110; 205; 405) based on configuration information such that the configurable upsampling factor is equal to a first upsampling value when a first ratio of the second configurable number of samples to the first configurable number of samples has a first ratio value. Moreover the configurator ( 120; 208; 408) is adapted to configure the signal processor (110; 205; 405) such that the configurable upsampling factor is equal to a different second upsampling value when a different second ratio of the second configurable number of samples to the first configurable number of samples has a different second ratio value. The first or the second ratio value is not an integer value.

An apparatus for processing an audio signal is provided. The apparatus comprises a signal processor (110; 205; 405) and a configurator (120; 208; 408). The signal processor (110; 205; 405) is adapted to receive a first audio signal frame having a first configurable number of samples of the audio signal Moreover the signal processor (110; 205; 405) is adapted to upsample the audio signal by a configurable upsampling factor to obtain a processed audio signal. Furthermore the signal processor (110; 205; 405) is adapted to output a second audio signal frame having a second configurable number of samples of the processed audio signal. The configurator 120; 208; 408) is adapted to configure the signal processor (110; 205; 405) based on configuration information such that the configurable upsampling factor is equal to a first upsampling value when a first ratio of the second configurable number of samples to the first configurable number of samples has a first ratio value. Moreover the configurator ( 120; 208; 408) is adapted to configure the signal processor (110; 205; 405) such that the configurable upsampling factor is equal to a different second upsampling value when a different second ratio of the second configurable number of samples to the first configurable number of samples has a different second ratio value. The first or the second ratio value is not an integer value.

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Technology	Declaration Information			Specification Information	Explicitly Disclosed	Patent Type
Technology	Declaration Date	Declaration Reference	Declaring Company	Specification Number	Explicitly Disclosed	Patent Type
4G,3G	06/03/2016	ISLD-201512-009	FRAUNHOFER SOCIETY	S1 TS Number: TS 126 445 Version No: Illustrative part: ---- Release: + -	No	Family Member
4G,3G	11/03/2016	ISLD-201608-014	VOICEAGE CORPORATION	S1 TS Number: TS 126 445 Version No: Illustrative part: ---- Release: + -	No	Family Member

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WO2012045744A1	4G,3G	11/03/2016	ISLD-201608-014	VOICEAGE CORPORATION	S1 TS Number: TS 126 445 Version No: ---- Section No: ---- Release : ---- + -	Yes	Basis Patent
WO2012045744A1	4G,3G	06/03/2016	ISLD-201512-009	FRAUNHOFER SOCIETY	S1 TS Number: TS 126 445 Version No: ---- Section No: ---- Release : ---- + -	Yes	Basis Patent
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CN103403799B	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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EP2625688B1	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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