✳ CODEC HUB
PCM (uncompressed) compatibility across creator platforms
uncompressed audio; appears in MOV/MKV master files but is not an upload-format audio track on creator platforms.
Updated
64 documented platform x container combinations. Verdicts: Not documented (32); Non-standard mux (32).
Per-platform coverage
- TikTok: MOV - Not documented, MP4 - Non-standard mux, WEBM - Non-standard mux, MKV - Not documented
- Instagram Reels: MOV - Not documented, MP4 - Non-standard mux, WEBM - Non-standard mux, MKV - Not documented
- YouTube Shorts: MOV - Not documented, MP4 - Non-standard mux, WEBM - Non-standard mux, MKV - Not documented
- YouTube (long-form): MOV - Not documented, MP4 - Non-standard mux, WEBM - Non-standard mux, MKV - Not documented
- LinkedIn: MOV - Not documented, MP4 - Non-standard mux, WEBM - Non-standard mux, MKV - Not documented
- Instagram Feed: MP4 - Non-standard mux, MOV - Not documented, WEBM - Non-standard mux, MKV - Not documented
- Instagram Stories: MP4 - Non-standard mux, MOV - Not documented, WEBM - Non-standard mux, MKV - Not documented
- X (Twitter): MP4 - Non-standard mux, MOV - Not documented, WEBM - Non-standard mux, MKV - Not documented
- Facebook Reels: MP4 - Non-standard mux, MOV - Not documented, WEBM - Non-standard mux, MKV - Not documented
- Facebook Feed: MP4 - Non-standard mux, MOV - Not documented, WEBM - Non-standard mux, MKV - Not documented
- Pinterest: MP4 - Non-standard mux, MOV - Not documented, WEBM - Non-standard mux, MKV - Not documented
- Snapchat: MP4 - Non-standard mux, MOV - Not documented, WEBM - Non-standard mux, MKV - Not documented
- Snapchat Spotlight: MP4 - Non-standard mux, MOV - Not documented, WEBM - Non-standard mux, MKV - Not documented
- Snapchat Story: MP4 - Non-standard mux, MOV - Not documented, WEBM - Non-standard mux, MKV - Not documented
- Spotify Canvas: MP4 - Non-standard mux, MOV - Not documented, WEBM - Non-standard mux, MKV - Not documented
- Threads: MP4 - Non-standard mux, MOV - Not documented, WEBM - Non-standard mux, MKV - Not documented
Validity per container
- MOV: pair common - PCM is the standard uncompressed audio track inside MOV.
- MP4: pair invalid - non-standard for upload; some FFmpeg builds mux it but it is rare.
- WEBM: pair invalid - non-standard.
- MKV: pair common - PCM inside MKV is supported and common in archives.