Can I attach a USB mic to any Android phone? Which one?
I am asking since I need to be able to shoot video with sound clear of noise.
Hence, I need the phone to shoot good video quality as well(full HD at least).
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Android currently doesn't support USB Audio Paths. You can use USB Audio if you have a Nexus 5 with Android L Preview. Otherwise you are out of luck.
Android 5.0 (API level 21) and above supports a subset of USB audio class 1 (UAC1) features:
- The Android device must act as host
- The audio format must be PCM (interface type I)
- The bit depth must be 16-bits, 24-bits, or 32-bits where 24 bits of useful audio data are left-justified within the most significant bits of the 32-bit word
- The sample rate must be either 48, 44.1, 32, 24, 22.05, 16, 12, 11.025, or 8 kHz The channel count must be 1 (mono) or 2 (stereo)
Also, Android 3.1 or higher can support USB audio if you buy an app from eXtream Software, which bundles its own drivers.
Also, your hardware has to support USB Host mode (USB On-The-Go). There are apps to test whether it does:
If you need an external microphone, and your device does not support USB audio (as Hiemanshu's answer suggests): A work-around would be using a microphone with the 3.5" audio jack. As headsets use that successfully, it should work.
I've never tried, so theoretically a side-effect could be sound output gets blocked whith the device assuming you've got a headset plugged in. If that's the case, there are apps available to control where which audio is routed to. You can find some in this list.