He was unable to specify whether it was the flight data recorder or the cockpit voiceregister which had been recovered.
他不能够说明找到的黑匣子是飞行数据记录仪呢还是驾驶舱内的语音录音机。
2
While I don't consciously register voices that fall within a normal-sounding range, it seems as if a person's voice may be making more of an influence than I think.