TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED (20240296854). AUDIO PROCESSING METHOD AND APPARATUS, ELECTRONIC DEVICE, AND COMPUTER-READABLE STORAGE MEDIUM simplified abstract
Contents
AUDIO PROCESSING METHOD AND APPARATUS, ELECTRONIC DEVICE, AND COMPUTER-READABLE STORAGE MEDIUM
Organization Name
TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
Inventor(s)
AUDIO PROCESSING METHOD AND APPARATUS, ELECTRONIC DEVICE, AND COMPUTER-READABLE STORAGE MEDIUM - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240296854 titled 'AUDIO PROCESSING METHOD AND APPARATUS, ELECTRONIC DEVICE, AND COMPUTER-READABLE STORAGE MEDIUM
The audio processing method described in the patent application involves filtering an audio signal to separate it into low-frequency and high-frequency components, encoding the low-frequency signal into a bitstream, and performing frequency domain transforms on both components to obtain their respective spectra.
- Filtering the audio signal to extract low-frequency and high-frequency components
- Encoding the low-frequency signal into a bitstream
- Performing frequency domain transforms on the low-frequency and high-frequency components
- Extracting spectral envelope information from the spectra
- Extracting spectral flatness information from the high-frequency spectrum
- Quantization encoding of spectral flatness and spectral envelope information
- Combining the encoded bitstream of the low-frequency signal with the bandwidth extension bitstream
Potential Applications: - Audio signal processing in telecommunications - Audio compression algorithms - Music production and editing software
Problems Solved: - Efficient encoding and transmission of audio signals - Bandwidth extension for improved audio quality
Benefits: - Enhanced audio quality - Reduced data transmission requirements - Improved spectral representation of audio signals
Commercial Applications: Title: Advanced Audio Signal Processing Technology for Enhanced Sound Quality This technology can be used in telecommunications systems, audio streaming services, music production software, and digital audio devices to improve sound quality and optimize data transmission.
Questions about Audio Signal Processing Technology: 1. How does this technology improve audio quality compared to traditional methods?
This technology enhances audio quality by efficiently encoding and transmitting audio signals while preserving spectral information.
2. What are the potential drawbacks or limitations of this audio processing method?
The limitations may include increased computational complexity and potential artifacts introduced during the encoding process.
Original Abstract Submitted
an audio processing method includes: filtering an audio signal to obtain a low-frequency signal and a high-frequency signal; encoding the low-frequency signal to obtain a bitstream of the low-frequency signal; performing frequency domain transform on the low-frequency signal and the high-frequency signal respectively, to obtain a low-frequency spectrum and a high-frequency spectrum; performing spectral envelope extraction on the low-frequency spectrum and the high-frequency spectrum to obtain spectral envelope information, and performing spectral flatness extraction on the high-frequency spectrum to obtain spectral flatness information; and performing quantization encoding on the spectral flatness information and the spectral envelope information to obtain a bandwidth extension bitstream, and combining the bandwidth extension bitstream and the bitstream of low-frequency signal into an encoded bitstream.
