Pro audio engineer Lynn Fuston puts several USB microphones to a less than scientific test while hooked up to his iPad 4 in the following article. He evaluated their performance on spoken word an electric guitar recording. He found that while they’re not as good as traditional microphone rigs, their ease of use might just make them handy for even professional recorders. Read the article to find out what mics he tested and their highs and lows.
Read the full article here:
Do USB mics really sound good? You will be amazed.
There may be apps that do that. You can definitely find spectrum analyzers that will measure ultra low.
Is there an APP that can measure the ultra low frequency levels?
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