Telefonaktiebolaget LM Ericsson (publ) (20240296853). SPECTRUM CLASSIFIER FOR AUDIO CODING MODE SELECTION simplified abstract

SPECTRUM CLASSIFIER FOR AUDIO CODING MODE SELECTION

Organization Name

Telefonaktiebolaget LM Ericsson (publ)

Inventor(s)

Charles Kinuthia of Stockholm (SE)

Erik Norvell of Upplands Väsby (SE)

SPECTRUM CLASSIFIER FOR AUDIO CODING MODE SELECTION - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240296853 titled 'SPECTRUM CLASSIFIER FOR AUDIO CODING MODE SELECTION

• • Simplified Explanation:**

The patent application describes a method in an encoder to determine which encoding mode to use based on various measures derived from the input audio signal.

• • Key Features and Innovation:**
• Deriving a frequency spectrum of the input audio signal.
• Obtaining the magnitude of a critical frequency region.
• Measuring the peakyness of the frame.
• Detecting noise bands in the signal.
• Selecting the appropriate encoding mode based on the peakyness and noise band detection measures.

• • Potential Applications:**

This technology can be applied in audio encoding systems to optimize the encoding process based on the characteristics of the input audio signal.

• • Problems Solved:**

The method addresses the challenge of selecting the most suitable encoding mode for a given audio signal, taking into account factors like peakyness and noise bands.

• • Benefits:**
• Improved efficiency in audio encoding.
• Enhanced audio quality based on signal characteristics.
• Adaptive encoding based on real-time analysis of the input signal.

• • Commercial Applications:**

Optimizing audio encoding for various applications such as streaming services, telecommunications, and multimedia content production.

• • Questions about the Technology:**

1. How does the method determine the appropriate encoding mode based on peakyness and noise band detection measures? 2. What are the potential implications of using this technology in audio encoding systems?

Original Abstract Submitted

a method in an encoder to determine which of two encoding modes or groups of encoding modes to use is provided. the method includes deriving a frequency spectrum of an input audio signal. the method includes obtaining a magnitude of a critical frequency region of the frequency spectrum. the method includes obtaining a peakyness measure of the frame. the method includes obtaining a noise band detection measure. the method includes determining which one of the two encoding modes or groups of encoding modes to use based on at least the peakyness measure and the noise band detection measure. the method includes encoding the input audio signal based on the encoding mode determined to use.