alessiob 6b648c4697 The simulator puts into action the schedule of speech turns encoded in a MultiEndCall instance. The output is a set of audio track pairs. There is one set for each speaker and each set contains one near-end and one far-end audio track. The tracks are directly written into wav files instead of creating them in memory. To speed up the creation of the output wav files, *all* the source audio tracks (i.e., the atomic speech turns) are pre-loaded.
The ConversationalSpeechTest.MultiEndCallSimulator unit test defines a conversational speech sequence and creates two wav files (with pure tones at 440 and 880 Hz) that are used as atomic speech turn tracks.

This CL also patches MultiEndCall in order to allow input audio tracks with same sample rate and single channel only.

BUG=webrtc:7218

Review-Url: https://codereview.webrtc.org/2790933002
Cr-Commit-Position: refs/heads/master@{#18480}
2017-06-07 18:04:35 +00:00
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2017-05-23 15:52:05 +00:00
2017-05-23 15:52:05 +00:00
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