ビデオカメラのファイルは Premiere または Final Cut にインポートされませんか? (M2TS、MOD、MXF)
You dropped your camcorder footage onto the timeline and your editor either rejected it, played it as a choppy mess, or let the audio drift out of sync. If your clips are M2TS, MTS, MOD, or MXF, this is a well-known problem — and the fix is the same in every editor.
Why camcorder footage causes import problems
Camcorders and professional cameras record into broadcast-oriented containers — M2TS/MTS for AVCHD camcorders, MOD for older SD-card camcorders, and MXF for professional and broadcast gear. These formats are built for recording and playback, not for editing timelines. Editors can sometimes read them but often struggle with the transport-stream structure, which causes dropped frames, sync drift, or outright import failures.
The fix: convert to MP4 or MOV before importing
Convert your clips to a standard editing format first, then import the result. MP4 (H.264) works in every editor; MOV is ideal for Final Cut and Apple workflows. Because the underlying video is usually already H.264, the conversion is fast and keeps your quality. Open the converter for your format, batch your clips, and import the clean files.
Pick the right target for your editor
Premiere / DaVinci
Convert to MP4 — the most reliable all-round import format on Windows and Mac.
Final Cut Pro
Convert to MOV for the smoothest Apple editing experience.
Multi-mic shoots
Convert to MKV if you need to keep several separate audio tracks.
This also fixes audio-sync drift
If your footage imports but the audio slowly drifts out of sync, that's a classic symptom of an editor mishandling a variable-frame-rate or transport-stream source. Converting to a clean MP4 with constant frame rate resolves it — re-import the converted file and the sync holds.
Watch the file sizes
Camcorder and MXF footage is large — often several GB per clip. When converting a whole shoot, you may need a plan with a higher file-size limit to handle the biggest files or large batches at once.
結論
M2TS, MOD, and MXF are recording formats, not editing formats — that mismatch is why your editor struggles. Convert to MP4 (or MOV for Final Cut) before importing and the footage drops in cleanly, plays smoothly, and stays in sync. Convert to MKV when you need to preserve multiple audio tracks.
Make your footage editable
M2TS、MOD、MXF ビデオカメラの映像を MP4 または MOV に無料で変換し、あらゆるエディターで使用できるようにします。