18383953. SUPPORT FOR GENERATION OF COMFORT NOISE simplified abstract (Telefonaktiebolaget LM Ericsson (publ))
Contents
SUPPORT FOR GENERATION OF COMFORT NOISE
Organization Name
Telefonaktiebolaget LM Ericsson (publ)
Inventor(s)
Fredrik Jansson of Sundbyberg (SE)
Erik Norvell of Upplands Väsby (SE)
[[:Category:Tomas Jansson Toftg�rd of Uppsala (SE)|Tomas Jansson Toftg�rd of Uppsala (SE)]][[Category:Tomas Jansson Toftg�rd of Uppsala (SE)]]
SUPPORT FOR GENERATION OF COMFORT NOISE - A simplified explanation of the abstract
This abstract first appeared for US patent application 18383953 titled 'SUPPORT FOR GENERATION OF COMFORT NOISE
Simplified Explanation
The abstract describes a method and a transmitting node for supporting the generation of comfort noise for at least two audio channels at a receiving node. The method involves determining spectral characteristics of audio signals on multiple input audio channels, as well as determining spatial coherence between the audio signals. A compressed representation of the spatial coherence is calculated per frequency band by weighting the spatial coherence within each band according to perceptual importance measures. Information about the spectral characteristics and the compressed representation of spatial coherence per frequency band is then signaled to the receiving node to enable the generation of comfort noise.
- Method for generating comfort noise for multiple audio channels at a receiving node
- Determine spectral characteristics of audio signals on input channels
- Calculate spatial coherence between audio signals
- Weight spatial coherence within each frequency band based on perceptual importance measures
- Signal information about spectral characteristics and compressed spatial coherence to receiving node
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- Potential Applications
- Audio conferencing systems
- Virtual reality applications
- Gaming consoles
- Problems Solved
- Providing a more realistic and immersive audio experience
- Enhancing the quality of audio communication in multi-channel environments
- Benefits
- Improved comfort for users during audio playback
- Enhanced spatial audio effects
- Better overall audio quality and experience
Original Abstract Submitted
A method and a transmitting node for supporting generation of comfort noise for at least two audio channels at a receiving node. The method is performed by a transmitting node. The method comprises determining spectral characteristics of audio signals on at least two input audio channels and determining a spatial coherence between the audio signals. The spatial coherence is associated with perceptual importance measures. A compressed representation of the spatial coherence is determined per frequency band by weighting the spatial coherence within each frequency band according to the perceptual importance measures. Information about the spectral characteristics and the compressed representation of the spatial coherence per frequency band is signaled to the receiving node for enabling the generation of the comfort noise at the receiving node.
