18490359. Generating Parametric Spatial Audio Representations simplified abstract (Nokia Technologies Oy)
Contents
Generating Parametric Spatial Audio Representations
Organization Name
Inventor(s)
Mikko-Ville Laitinen of Espoo (FI)
Juha Tapio Vilkamo of Helsinki (FI)
Jussi Kalevi Virolainen of Espoo (FI)
Generating Parametric Spatial Audio Representations - A simplified explanation of the abstract
This abstract first appeared for US patent application 18490359 titled 'Generating Parametric Spatial Audio Representations
- Simplified Explanation:**
The patent application describes a method for creating a spatial audio stream by using mono-channel audio signals from close microphones, reverberation parameters, control parameters, and spatial metadata parameters.
- Key Features and Innovation:**
- Obtaining mono-channel audio signals from close microphones.
- Using reverberation parameters to generate reverberated audio signals.
- Utilizing control parameters to control spatial features of the audio stream.
- Generating spatial metadata parameters based on audio signals, reverberated audio signals, control parameters, and reverberation parameters.
- Encoding reverberated audio signals and spatial metadata parameters to create the spatial audio stream.
- Potential Applications:**
This technology can be used in virtual reality experiences, gaming, immersive audio environments, live performances, and audio production.
- Problems Solved:**
This technology addresses the need for creating realistic and immersive spatial audio experiences by combining mono-channel audio signals with reverberation and spatial control parameters.
- Benefits:**
- Enhanced spatial audio quality.
- Improved immersive experiences.
- Greater control over spatial features in audio production.
- Realistic sound environments in virtual reality and gaming.
- Commercial Applications:**
The technology can be applied in virtual reality headsets, gaming consoles, audio software for production studios, live event sound systems, and immersive audio installations in public spaces.
- Questions about Spatial Audio Technology:**
1. How does this technology improve the spatial audio experience for users? 2. What are the potential challenges in implementing this method in different audio applications?
- Frequently Updated Research:**
Researchers are constantly exploring new algorithms and techniques to enhance spatial audio rendering and improve the realism of virtual sound environments. Stay updated on advancements in spatial audio technology to leverage the latest innovations in audio production and immersive experiences.
Original Abstract Submitted
A method for generating a parametric spatial audio stream, the method including: obtaining at least one mono-channel audio signal from at least one close microphone; obtaining at least one of: at least one reverberation parameter; at least one control parameter configured to control spatial features of the parametric spatial audio stream; generating, based on the at least one reverberation parameter, at least one reverberated audio signal from a respective at least one mono-channel audio signal; generating at least one spatial metadata parameter based on at least one of: the at least one mono-channel audio signal; the at least one reverberated audio signal; the at least one control parameter; and the at least one reverberation parameter; and encoding the at least one reverberated audio signal and the at least one spatial metadata parameter to generate the spatial audio stream.
