18154197. AUDIO CODING METHOD AND RELATED APPARATUS, AND COMPUTER-READABLE STORAGE MEDIUM simplified abstract (HUAWEI TECHNOLOGIES CO., LTD.)
AUDIO CODING METHOD AND RELATED APPARATUS, AND COMPUTER-READABLE STORAGE MEDIUM
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Inventor(s)
AUDIO CODING METHOD AND RELATED APPARATUS, AND COMPUTER-READABLE STORAGE MEDIUM - A simplified explanation of the abstract
This abstract first appeared for US patent application 18154197 titled 'AUDIO CODING METHOD AND RELATED APPARATUS, AND COMPUTER-READABLE STORAGE MEDIUM
Simplified Explanation
The abstract describes an audio decoding method that involves obtaining an encoded bitstream and performing bitstream demultiplexing to obtain coding parameters for a current frame. The method also involves obtaining high frequency and low frequency band signals based on these coding parameters, and then obtaining a decoded signal of the current frame using these signals.
- The method involves obtaining an encoded bitstream and performing bitstream demultiplexing to extract coding parameters for a current frame.
- The coding parameters include a tonal component parameter for tonal component coding.
- The method further involves obtaining high frequency and low frequency band signals based on the coding parameters.
- The high frequency band signal is obtained using the tonal component parameter and a configuration parameter for tonal component coding.
- Finally, the method obtains a decoded signal of the current frame by combining the high frequency band signal, the low frequency band signal, and the coding parameters.
Potential Applications
- This audio decoding method can be used in various audio playback devices, such as smartphones, music players, and home theater systems.
- It can also be applied in audio streaming services and communication systems to enhance audio quality.
Problems Solved
- The method solves the problem of efficiently decoding an audio bitstream by extracting and utilizing coding parameters.
- It addresses the challenge of accurately reproducing high frequency components in audio signals.
Benefits
- The method allows for improved audio quality by accurately decoding and reproducing high frequency components.
- It provides a more efficient and effective way of decoding audio bitstreams.
- The method can enhance the overall listening experience for users.
Original Abstract Submitted
An audio decoding method includes: obtaining an encoded bitstream; performing bitstream demultiplexing on the encoded bitstream to obtain a first coding parameter of a current frame; performing bitstream demultiplexing on the encoded bitstream based on a configuration parameter for tonal component coding to obtain a second coding parameter of the current frame, where the second coding parameter of the current frame includes a tonal component parameter; obtaining a first high frequency band signal and a first low frequency band signal of the current frame based on the first coding parameter; obtaining a second high frequency band signal of the current frame based on the second coding parameter and the configuration parameter for tonal component coding; and obtaining a decoded signal of the current frame based on the first high frequency band signal, the second high frequency band signal, and the first low frequency band signal.
