aurioTouch sample app's audio playback/thru not working?
问题 According to Apple's description, the aurioTouch sample app is suppose to "get the audio input and copy it to the output", which I think means that the app will playback/thru any sound the iPhone's mike picks up through the iPhone's speakers. When I loaded the app onto my iPhone (updated to 2.2), however, the playthru feature does not seem to work at all. The on-screen oscilliscope reponds as expected to voices and sounds, so the audio input half of the app is clearly working. Yes, I have