Plug in the cables, switch your phone to Audalyzer and you should get an audio level reading of about -60dB or so. So, the first thing is to drop the audio output level of your playback device down to nothing.
What we're doing here is turning your phone's mic input into a line input the problem with that is a mic input is designed to work with a very tiny signal level.įeed the output of your notebook's sound card straight into the mic input, for example, and you'll completely swamp it. Get those both into your phone and fire up Audalyzer.
They're both free from the Google Play Store. To check that you've got the cabling right and to record from the external device, you need two apps: Audalyzer and PCM Recorder
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