Invention Grant
- Patent Title: Digital security system
- Patent Title (中): 数字安全系统
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Application No.: US11312672Application Date: 2005-12-19
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Publication No.: US07949131B2Publication Date: 2011-05-24
- Inventor: Antonio Torrini , Konstantin Shkolnyy
- Applicant: Antonio Torrini , Konstantin Shkolnyy
- Applicant Address: US TX Austin
- Assignee: Sigmatel, Inc.
- Current Assignee: Sigmatel, Inc.
- Current Assignee Address: US TX Austin
- Agency: Toler Law Group
- Main IPC: H04L9/00
- IPC: H04L9/00

Abstract:
A system and method for processing a digital audio signal is disclosed. The system includes an input to receive a digital audio signal and a first output to provide a first digital output signal. The digital audio signal has a first fidelity characteristic and the first digital output signal has a second fidelity characteristic. The second fidelity characteristic is determined in response to security information extracted from the digital audio signal. The first digital output signal is provided to a digital to analog converter.
Public/Granted literature
- US20070142943A1 Digital security system Public/Granted day:2007-06-21
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