An audio record preserves some of the social signals in speech that are missing from a written one.

一个语音记录能够保存文本记录中不能保存的社交信号。

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Process and analyze speech signal by simulation. Give a method on audio record and compression adapting multi-medium web secure communication, then implement by programming.

对语音信号进行处理和仿真分析，提出了适合多媒体网络保密通信的音频获取和压缩方法，并将其编程实现。

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Additionally, videographers have the ability to capture audio with the onboard microphone or record stereo audio externally using the mic input.

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Connect a stereo microphone (3rd party sold separately) to the external microphone input and record audio with enhanced clarity.

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According to the 1968 Omnibus Crime and Safe Streets Act prohibits the commercial sale of disguised devices that record audio.

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