Quick access to the cabin sound recorder and the method of cabin sound record acquisition
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- CHENGDU CIVIL AVIATION AIR TRAFFIC CONTROL SCI & TECH
- Publication Date
- 2016-04-13
Smart Images
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Abstract
Description
technical field
[0001] The invention relates to the field of aviation, in particular to a fast-acquisition cabin sound recorder and a method for obtaining cabin sound records by using the fast-acquisition cabin sound recorder. Background technique
[0002] At present, the cabin sound recorder provided by major European and American aviation equipment manufacturers can record various sounds in the cockpit for the last 30 minutes or 2 hours. Since only the voice record reproduction needs during the aircraft accident are considered, only CVR (Cockpit voice recorder, cockpit voice recorder) is currently installed on the aircraft. At present, the only way that can be taken is to disassemble the airborne CVR each time, and to play back and transcribe through the special equipment on the ground. Because the design purpose of CVR is focused on accident investigation, it has natural defects in storage time, codec, reading speed, storage medium, etc. If airlines want to use this devi...