Invention Grant
- Patent Title: Clicking noise detection in a digital audio signal
- Patent Title (中): 点击数字音频信号中的噪声检测
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Application No.: US10568641Application Date: 2003-08-18
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Publication No.: US07729906B2Publication Date: 2010-06-01
- Inventor: Zsolt Saffer
- Applicant: Zsolt Saffer
- Applicant Address: NL Eindhoven
- Assignee: Koninklijke Philips Electronics NV
- Current Assignee: Koninklijke Philips Electronics NV
- Current Assignee Address: NL Eindhoven
- Agency: Wolf, Greenfield & Sacks, P.C.
- International Application: PCT/IB03/03356 WO 20030818
- International Announcement: WO2005/017878 WO 20050224
- Main IPC: G10L21/02
- IPC: G10L21/02 ; G10L15/20

Abstract:
In a method (M) to detect a noise signal (PS1, PS2, PS3) in a digital audio signal (EAS), it is provided that the audio signal (EAS) is divided into successive signal sections (SAS), and the energy contents of successive signal sections (SAS) are determined, and the energy contents of a signal section (SAS) are evaluated in relation to an energy threshold (ET), and that the occurrence of at least one high-energy signal section having an energy content above the energy threshold (ET), and the occurrence of at least one signal section (SAS) preceding the at least one high-energy signal section and having an energy content below the energy threshold (ET), and the occurrence of at least one signal section (SAS) following the at least one high-energy signal section and having an energy content below the energy threshold (ET) are detected, and that a quantity of signal sections (SAS) that precede the at least one high-energy signal section and a quantity of high-energy signal sections and a quantity of signal sections (SAS) that follow the high-energy signal section are counted.
Public/Granted literature
- US20060287857A1 Clicking noise detection in a digital audio signal Public/Granted day:2006-12-21
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