HUAWEI TECHNOLOGIES CO., LTD. (20240249731). METHOD AND APPARATUS FOR CALCULATING DOWNMIXED SIGNAL AND RESIDUAL SIGNAL simplified abstract
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METHOD AND APPARATUS FOR CALCULATING DOWNMIXED SIGNAL AND RESIDUAL SIGNAL
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METHOD AND APPARATUS FOR CALCULATING DOWNMIXED SIGNAL AND RESIDUAL SIGNAL - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240249731 titled 'METHOD AND APPARATUS FOR CALCULATING DOWNMIXED SIGNAL AND RESIDUAL SIGNAL
Simplified Explanation: The patent application describes an audio signal encoding method that involves obtaining downmixed and residual signals based on a switch fade-in/fade-out factor for a specific frequency band in a frame.
- The method encodes audio signals by obtaining downmixed and residual signals for a preset frequency band in a frame.
- The downmixed and residual signals are based on a switch fade-in/fade-out factor from the previous frame.
- Initial downmixed and residual signals for the preset frequency band are used in the encoding process.
Key Features and Innovation:
- Encoding method for audio signals based on switch fade-in/fade-out factor.
- Obtaining downmixed and residual signals for a specific frequency band in a frame.
- Utilizing initial signals for the preset frequency band in the encoding process.
Potential Applications: This technology can be applied in audio signal processing, multimedia systems, and telecommunications for efficient encoding of audio signals.
Problems Solved: The technology addresses the need for effective encoding methods for audio signals, particularly in the context of switch frames and specific frequency bands.
Benefits:
- Improved audio signal encoding efficiency.
- Enhanced quality of encoded audio signals.
- Better utilization of switch fade-in/fade-out factors for encoding.
Commercial Applications: The technology can be utilized in audio streaming services, digital audio broadcasting, and audio compression algorithms to enhance the efficiency of audio signal encoding processes.
Questions about Audio Signal Encoding: 1. How does the switch fade-in/fade-out factor impact the encoding of audio signals? 2. What are the potential applications of this encoding method in the audio industry?
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Original Abstract Submitted
an audio signal encoding method is provided. according to the method, if a current frame is a switching frame, a to-be-encoded downmixed signal and a to-be-encoded residual signal of the subband corresponding to the preset frequency band in the current frame are obtained based on a switch fade-in/fade-out factor of a previous frame, an initial downmixed signal and an initial residual signal of the preset frequency band of the current frame.
