20240013793. ROTATION OF SOUND COMPONENTS FOR ORIENTATION-DEPENDENT CODING SCHEMES simplified abstract (Dolby Laboratories Licensing Corporation)

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ROTATION OF SOUND COMPONENTS FOR ORIENTATION-DEPENDENT CODING SCHEMES

Organization Name

Dolby Laboratories Licensing Corporation

Inventor(s)

Stefan Bruhn of Sollentuna (US)

Harald Mundt of Fürth (DE)

David S. Mcgrath of Rose Bay, NSW (AU)

Stefanie Brown of Lewisham, NSW (AU)

ROTATION OF SOUND COMPONENTS FOR ORIENTATION-DEPENDENT CODING SCHEMES - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240013793 titled 'ROTATION OF SOUND COMPONENTS FOR ORIENTATION-DEPENDENT CODING SCHEMES

Simplified Explanation

The abstract of this patent application describes a method for encoding scene-based audio. The method involves determining the spatial direction of a dominant sound component in a frame of an input audio signal. Rotation parameters are then determined based on the spatial direction and a direction preference of a coding scheme to be used for encoding the audio signal. The sound components of the frame are rotated based on the rotation parameters, aligning the dominant sound component with the direction preference of the coding scheme. The rotated sound components are then encoded using the coding scheme, along with an indication of the rotation parameters or the spatial direction of the dominant sound component.

  • The method involves determining the spatial direction of a dominant sound component in an audio signal frame.
  • Rotation parameters are determined based on the spatial direction and a direction preference of a coding scheme.
  • Sound components of the frame are rotated based on the rotation parameters to align the dominant sound component with the coding scheme's direction preference.
  • The rotated sound components are encoded using the coding scheme, along with an indication of the rotation parameters or the spatial direction of the dominant sound component.

Potential applications of this technology:

  • Audio encoding and decoding systems
  • Virtual reality and augmented reality audio processing
  • Surround sound systems
  • Audio streaming and broadcasting

Problems solved by this technology:

  • Ensuring accurate spatial representation of sound components in encoded audio
  • Improving the alignment of dominant sound components with the desired direction preference of a coding scheme
  • Enhancing the immersive experience in virtual reality and augmented reality audio

Benefits of this technology:

  • Improved audio quality and spatial accuracy in encoded audio
  • Enhanced realism and immersion in virtual reality and augmented reality audio
  • Better compatibility with different audio coding schemes and systems


Original Abstract Submitted

method for encoding scene-based audio is provided. in some implementations, the method involves determining, by an encoder, a spatial direction of a dominant sound component in a frame of an input audio signal. in some implementations, the method involves determining rotation parameters based on the determined spatial direction and a direction preference of a coding scheme to be used to encode the input audio signal. in some implementations, the method involves rotating sound components of the frame based on the rotation parameters such that, after being rotated, the dominant sound component has a spatial direction that aligns with the direction preference of the coding scheme. in some implementations, the method involves encoding the rotated sound components of the frame of the input audio signal using the coding scheme in connection with an indication of the rotation parameters or an indication of the spatial direction of the dominant sound component.

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