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When you need MTS to AVI
MTS is the recording format of AVCHD camcorders: Sony, Panasonic, Canon, and others. Old devices do not understand it at all, and sometimes the only format they accept is AVI. Typical cases: an old TV without Smart TV reads only AVI from a USB drive, a car stereo with a screen plays clips only in this format, there is a DVD player with a USB port at home, or a familiar old video editor works with nothing but AVI.
Let us be honest up front: AVI is an outdated container. If your goal is simply to watch camcorder video on a computer, phone, modern TV, or to publish it online, choose MTS to MP4: MP4 is newer, more compact, and supported everywhere. Converting to AVI makes sense when a specific device or program understands only AVI.
What changes after conversion
The camcorder recording becomes an AVI file that opens on old hardware. The content is the same: your footage, the same sound. The video is re-encoded to fit the capabilities of the old container, so the file may turn out noticeably larger than the source or compressed less efficiently - that is a property of AVI, not a conversion error.
The quality of the result depends on the source: sharp camcorder footage stays as sharp as the playback device allows. Old TVs and car stereos often limit the picture resolution themselves.
When this is especially useful
- An old TV reads a USB drive but only sees AVI - and you want to show camcorder recordings on it.
- A car stereo with a screen plays clips only in AVI.
- A DVD player with a USB port understands neither MTS nor MP4.
- The old video editor you are used to accepts only AVI.
- The video must go to someone with an old computer and a player that has not been updated in years.
Common tasks and search situations
- convert camcorder video to avi for a tv;
- mts to avi for a car stereo;
- convert avchd to avi online;
- old tv does not see video on a usb drive;
- avi for a dvd player with usb;
- sony camcorder video to avi for an old editor;
- which video format does an old car stereo play;
- mts will not open on an old computer.
What to check before converting
- Check the device manual for supported formats. If MP4 is on the list, choose MTS to MP4 instead - the result will be more compact.
- Check the device's resolution limits: many old TVs and car stereos will not play files above a certain frame size.
- Make sure the source file was copied from the camera in full and opens in at least one player.
- Convert one file first and test it on the target device before processing the whole archive.
Format and conversion limits
AVI was created in the early 1990s and falls short of modern containers: it handles modern compression poorly, lacks features like chapters and multiple subtitle tracks, and files are usually larger at comparable quality. On top of that, AVI support varies between old devices: every TV and car stereo understands its own set of compression variants, so compatibility with a specific model is not guaranteed. If a file does not play, check the device requirements in its manual.
The result depends on the source: conversion does not repair recording defects. Free access covers a one-off task; paid plans are available for a large archive - current terms are on the pricing page.
Related tasks
For watching on modern devices, sending, and publishing, choose MTS to MP4 - that is the main scenario for AVCHD camcorder recordings.
If you need to convert DVD video - VOB files - to AVI, use VOB to AVI.
What is MTS to AVI conversion used for
Watching on an old TV
A TV without Smart TV reads only AVI from a USB drive - camcorder recordings convert and play without any extra equipment.
Video in a car stereo
A head unit with a screen accepts only AVI - converted camcorder clips play from a USB drive on the road.
DVD player with a USB port
An old player understands neither MTS nor MP4 - AVI from a USB drive opens and plays on the TV through it.
Old video editor
The familiar editing program does not import MTS - after converting to AVI the material opens and edits.
Tips for converting MTS to AVI
First check whether MP4 would work
If the device supports MP4, choose it: the file will be more compact and compatibility with modern hardware better. Save AVI for devices that understand nothing else.
Test one file on the device
Before converting the whole archive, put one finished AVI on a USB drive and make sure the TV or car stereo plays it.
Look into the device manual
Old TVs and car stereos have limits on resolution and file size. Knowing them in advance saves you from converting twice.
Keep the camcorder originals
Do not delete the original MTS files: AVI is a format for one specific old device, and the source will still be useful for converting to MP4.