Invention Application
US20160191005A1 METHOD OF OPERATING DIGITAL-TO-ANALOG PROCESSING CHAINS, CORRESPONDING DEVICE, APPARATUS AND COMPUTER PROGRAM PRODUCT
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操作数字到模拟处理链的方法，相应的器件，器件和计算机程序产品
- Patent Title: METHOD OF OPERATING DIGITAL-TO-ANALOG PROCESSING CHAINS, CORRESPONDING DEVICE, APPARATUS AND COMPUTER PROGRAM PRODUCT
- Patent Title (中): 操作数字到模拟处理链的方法，相应的器件，器件和计算机程序产品
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Application No.: US14860847Application Date: 2015-09-22
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Publication No.: US20160191005A1Publication Date: 2016-06-30
- Inventor: Carmelo BURGIO
- Applicant: STMICROELECTRONICS S.r.l.
- Priority: ITTO2014A001098 20141224
- Main IPC: H03F3/217
- IPC: H03F3/217
Abstract:
A signal processing chain, such as an audio chain, produces an analog output signal from a digital input signal. The signal processing chain is operated by generating a first flag signal for the analog output signal and one or more second flag signals for the digital input signal. Each flag signal assumes a first level or a second level and is set to the first level when a signal from which the flag is generated has a value within an amplitude window. An amount the first flag signal for the analog output signal and the second flag signal for the digital input signal match each other may be calculated for issuing an alert flag which indicates an impaired operation of the signal processing chain.
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