Audio signal processing method
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- 南宁市公安局
- Publication Date
- 2014-04-30
- Estimated Expiration
- Not applicable · inactive patent
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Figure 1
Abstract
Description
technical field
[0001] The invention belongs to the field of audio signal processing methods, in particular to a method satisfying high-definition voice audio signal processing. Background technique
[0002] Audio equipment often has noise when acquiring voice information. These noises include environmental noise from the surrounding environment, which can also be called background noise, and electronic noise from the audio equipment itself. These noises can affect the quality of the audio signal. For audio in HD quality people often build recording studios for audio acquisition. However, it is difficult to obtain high-quality voice information without a recording studio, especially in outdoor, road and other occasions; it is a technical problem to acquire and analyze people's voice information in a noisy environment.
[0003] In the past, the processing of audio signals was only in the state of analog signals. With the advent of the digital age, especially the development...