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==Original Abstract Submitted==
 
==Original Abstract Submitted==
  
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an encoder for providing an audio stream on the basis of a transform-domain representation of an input audio signal includes a quantization error calculator configured to determine a multi-band quantization error over a plurality of frequency bands of the input audio signal for which separate band gain information is available. the encoder also includes an audio stream provider for providing the audio stream such that the audio stream includes information describing an audio content of the frequency bands and information describing the multi-band quantization error.
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a decoder for providing a decoded representation of an audio signal on the basis of an encoded audio stream representing spectral components of frequency bands of the audio signal includes a noise filler for introducing noise into spectral components of a plurality of frequency bands to which separate frequency band gain information is associated on the basis of a common multi-band noise intensity value.
  
  

Revision as of 07:49, 19 December 2024

AUDIO ENCODER, AUDIO DECODER, METHODS FOR ENCODING AND DECODING AN AUDIO SIGNAL, AUDIO STREAM AND A COMPUTER PROGRAM

Organization Name

Fraunhofer-Gesellschaft zur Foerderung der Angewandten Forschung e.V.

Inventor(s)

Nikolaus Rettelbach of Nuernberg (DE)

Bernhard Grill of Lauf (DE)

Guillaume Fuchs of Nuernberg (DE)

Stefan Geyersberger of Wuerzburg (DE)

Markus Multrus of Nuernberg (DE)

Harald Popp of Tuchenbach (DE)

Juergen Herre of Buckenhof (DE)

Stefan Wabnik of Ilmenau (DE)

Gerald Schuller of Erfurt (DE)

Jens Hirschfeld of Heringen (DE)

AUDIO ENCODER, AUDIO DECODER, METHODS FOR ENCODING AND DECODING AN AUDIO SIGNAL, AUDIO STREAM AND A COMPUTER PROGRAM

This abstract first appeared for US patent application 20240420715 titled 'AUDIO ENCODER, AUDIO DECODER, METHODS FOR ENCODING AND DECODING AN AUDIO SIGNAL, AUDIO STREAM AND A COMPUTER PROGRAM



Original Abstract Submitted

a decoder for providing a decoded representation of an audio signal on the basis of an encoded audio stream representing spectral components of frequency bands of the audio signal includes a noise filler for introducing noise into spectral components of a plurality of frequency bands to which separate frequency band gain information is associated on the basis of a common multi-band noise intensity value.

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