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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