20240031767. Methods and Systems for Simulating Perception of a Sound Source simplified abstract (Sony Interactive Entertainment Europe Limited)

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Methods and Systems for Simulating Perception of a Sound Source

Organization Name

Sony Interactive Entertainment Europe Limited

Inventor(s)

Calum Armstrong of London (GB)

Methods and Systems for Simulating Perception of a Sound Source - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240031767 titled 'Methods and Systems for Simulating Perception of a Sound Source

Simplified Explanation

The abstract of this patent application describes an audio personalization method for simulating the perception of a vertical displacement of a sound source. The method involves obtaining a user's head-related transfer function (HRTF), which is a representation of how sound is filtered by the user's head and ears. The intended vertical displacement for the sound source is determined, and at least one frequency region in the input HRTF is selected. The amplitude of the selected frequency region(s) is then adjusted to simulate the intended vertical displacement for the sound source.

  • The method involves obtaining a user's head-related transfer function (HRTF).
  • The intended vertical displacement for the sound source is determined.
  • At least one frequency region in the input HRTF is selected.
  • The amplitude of the selected frequency region(s) is adjusted to simulate the intended vertical displacement for the sound source.

Potential applications of this technology:

  • Virtual reality and augmented reality: This method can enhance the immersive experience by accurately simulating the perception of sound sources at different vertical positions.
  • Gaming: The method can be used to create more realistic and immersive gaming environments by accurately positioning sound sources in virtual worlds.
  • Audio production and mixing: This technology can be used to manipulate the perceived location of sound sources in audio recordings, allowing for more creative and precise mixing techniques.

Problems solved by this technology:

  • Limited control over the perceived location of sound sources: This method allows for precise adjustment of the perceived vertical position of sound sources, providing more control and flexibility in audio production and virtual environments.
  • Inaccurate spatial audio representation: By utilizing personalized HRTFs and adjusting specific frequency regions, this method can improve the accuracy of spatial audio representation, enhancing the overall listening experience.

Benefits of this technology:

  • Enhanced immersion and realism: By accurately simulating the perception of vertical displacement of sound sources, this method can enhance the immersion and realism of virtual environments, gaming experiences, and audio productions.
  • Personalized audio experience: The use of personalized HRTFs allows for a customized audio experience tailored to the individual user, improving the overall quality and enjoyment of audio content.


Original Abstract Submitted

an audio personalisation method for simulating perception of a vertical displacement of a sound source, the method comprising the steps of: obtaining an input head related transfer function, hrtf, associated with a user; determining an intended vertical displacement for the sound source; selecting at least one frequency region in the input hrtf; and adjusting the amplitude of the selected frequency region(s) to simulate the intended vertical displacement for the sound source. this provides improvements to the generation and/or manipulation of hrtfs to allow adjustment of the perceived location of a sound source.

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