One-page reference: the six NetEQ operations (Normal, Acceleration, Preemptive expand, Expand/PLC, Merge, Comfort noise), the delay-manager knobs (relative delay, 2 s window, 0.983 forget factor, target percentile, underrun + reorder histograms), the getStats fields to watch (jitterBufferDelay, jitterBufferTargetDelay, concealmentEvents, concealedSamples, insertedSamplesForDeceleration, removedSamplesForAcceleration), the histogram-to-target worked example, and the diagnosis rules.
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The handbook · 7 volumes
Fora Soft Video Engineering Handbook
This NetEQ tuning cheat sheet lists the six operations, the delay-manager knobs, the getStats fields to watch and the diagnosis rules for choppy telehealth audio. We wrote seven volumes on the video stack; start with Volume 5 on jitter buffers, NetEQ, loss concealment and FEC, then Volume 3 on WebRTC and Volume 7 on real-time pipelines. Written by Nikolay Sapunov, CEO at Fora Soft.
Hearing robotic or choppy audio in your telehealth calls?
Send us getStats exports from bad calls, and we will diagnose the jitter buffer behaviour and recommend NetEQ and network settings to fix it. 250+ video products shipped since 2005.
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