Ghi âm qua USB Audio
Cloud Audio Recorder allows you to record the sound of musical instruments
to your iOS devices via the built-in microphone. Also the app supports Audio recording and play-back function via WiFi or cable for some keyboards. (Please find Specs table for the latest info.)
The recorded data can be normalized, trimmed and signal processed on the iOS devices.
Recorded data can be freely uploaded to or downloaded from SoundCloud
Also you can copy & paste your sound to another iOS apps.