Formavide Blog
Practical guides for the messy parts of video and audio work — containers that won't play, noise that won't leave, subtitles that won't show up — with fixes that run entirely in your browser.
How to Get the Audio Out of a Video (MP3, WAV, FLAC)
The soundtrack is already inside your video file. What extraction actually does to it, which format deserves the bytes, and the local way that needs no upload.
How to Make a Karaoke Track from Any Song
Karaoke night needs the instrumental; covers and sampling need the vocal. What AI vocal removal really does, which engine fits the job, and the whole flow in a browser — nothing uploaded.
How to Trim a Large Video Without Uploading It
Big video files don't need to be uploaded to be trimmed. Why upload-based cutters fail on large files, and how to trim locally in your browser instead.
TS vs MP4: What's the Difference and Which Should You Use?
TS and MP4 are both video containers — so why does one play everywhere and the other nowhere? The real differences, and when converting TS to MP4 is worth it.
What Is an NCM File? How to Open It on Any Device
An .ncm file won't play in any player except one app. What the NetEase container actually is, what's inside it, and how to open it on any device — locally.
Why Your Podcast Sounds Noisy (and How to Fix Each Cause)
Hiss, hum, room echo, keyboard clatter — why podcast recordings pick up noise, how to hear which one you have, and what actually fixes each in post.
Soft vs Hard Subtitles: Which One Your Video Actually Needs
Soft subtitles toggle off; hard subtitles are painted into the picture. The real trade-offs, what each social platform actually supports, and how to choose.
Spleeter vs Demucs: Which AI Stem-Splitter Sounds Better?
Deezer's Spleeter or Meta's Demucs — which AI model separates vocals better? Architecture, quality, speed, and when to use each, from a tool that ships both.