opensl - w3toppers.com

Redirecting audio / creating alternate sound paths in Android

I once implemented the functionality you’re after on a phone based on Qualcomm’s APQ8064 platform (which seems to be nearly the same platform as the one in your target device). Below is a summary of what I can recall from this, as I no longer have access to the code I wrote, or an environment … Read more

Low-latency audio playback on Android

For lowest latency on Android as of version 4.2.2, you should do the following, ordered from least to most obvious: Pick a device that supports FEATURE_AUDIO_PRO if possible, or FEATURE_AUDIO_LOW_LATENCY if not. (“Low latency” is 50ms one way; pro is <20ms round trip.) Use OpenSL. The Dalvik GC has a low amortized cost, but when … Read more