FAQs: Video FAQs
How Do You Synchronize Audio and Video in Real-Time Streams?
“This is a very tough problem.” That’s from the top answer on Stack Overflow for this question. Granted, the answer is over 15 years old, but the sentiment is still true. This is a very tough problem. The problem stems from the fact that audio and video travel through completely separate pipelines in a real-time
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8 min read
H.264 vs H.265: File Size, Bitrate, and When to Use Each
H.265 has promised 50% smaller files at the same quality since 2013. In practice, the savings depend heavily on resolution, and the codec's messy patent licensing has slowed adoption enough that a royalty-free alternative (AV1) is already eating into its market share. Here's how the two codecs actually compare, and when each one makes sense.
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11 min read
How Do I Technically Implement Live Shopping Features Without Crashing the App?
The bright, natural lighting. The flat palm behind a lipstick. The countdown timer flashing to cause FOMO. The chat scrolling so fast it looks like the Matrix made of heart emojis. You know when you are in a live shopping event. Sometimes, the infrastructure knows as well. If implemented incorrectly, live shopping can (belt) buckle
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9 min read
FFmpeg in Production: Codecs, Performance, and Licensing
If you've built a product that handles video uploads or live streams, you've probably encountered FFmpeg. Once you're in production, you need to decide which codec plays on which devices, how much CPU time you're burning per video, and sometimes whether you need a lawyer to understand patent licensing. What FFmpeg is FFmpeg describes itself
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5 min read
How Do You Handle 'Temporal Consistency' on the Edge to Prevent Flickering Detections From Triggering False Actions?
Object detectors such as YOLO and EfficientDet treat each video frame independently. This works fine for static images, but in real-time video streams, it causes detections to flicker. Bounding boxes jitter, confidence scores oscillate near thresholds, and objects "blink" in and out of existence. In a display overlay, this is merely annoying. In a closed-loop
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5 min read
How Does the Choice of Transport Protocol (WebRTC vs. WebSocket) Impact the Synchronization of Video Frames with Audio Streams in a Multimodal Pipeline?
When building multimodal systems that need to sync audio and video in real time, one question matters more than you'd expect: Can the lips match the voice? Get it wrong, and your AI character looks like a dubbed foreign film. Get it right, and it feels real. And getting it right depends heavily on your
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4 min read