Zoiper Audio Latency Benchmark

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This application will calculate how much time is spent in the android audio system (microphone + speaker).

Some phones come with low latency, others have a substantial audio latency.

Running this test will let us find the best and worst devices on the market and will give you an idea how good your phone is compared to the others on the market.

The test will play a beep, capture it with the microphone and use autocorrelation to calculate the time difference and will do this for multiple sample rates, the minimum buffer size and the recommended buffer size.

More VoIP related tests will follow.