Guides, comparisons and how-tos for AI video, AI presenters, UGC-style ads, captions and translation.
What variable frame rate (VFR) is, which phones and recorders produce it, why Premiere Pro and DaVinci Resolve can drift out of sync on it, how to check a file in MediaInfo, and how to convert it to constant frame …
Read the articleWhy screen recordings come out silent or without the computer's sound, and how to fix it on a Mac, Windows PC, Chromebook, iPhone, Android and in browser recorders, including system audio on macOS 27.
Read moreWhy audio goes out of sync with video, how to tell a fixed delay from drift, and how to fix each in an editor or with FFmpeg: variable frame rate, sample rate mismatches, Bluetooth delay and export problems.
Read moreWhy VLC doesn't show subtitles from an SRT file or an MKV track, and nine fixes in order: track selection, file name, encoding, subtitle settings, delay, font, file format, timing drift and resetting preferences.
Read moreWhy Instagram Reels and Stories look blurry after you post them, how to tell where the blur comes from, and eight fixes: export size, frame rate, shape, upload setting, connection, HDR and more.
Read moreWhy a webcam shows a black screen or isn't found, what each browser error means, and step-by-step fixes for site permissions, Windows and macOS privacy settings, busy cameras, privacy shutters, drivers and low frame rates.
Read moreGenerate videos, put an AI presenter on camera, and caption and translate everything you publish.
