THE FILE FIELD GUIDE
.ts

MPEG Transport Stream

Video

TS can mean MPEG transport-stream media or TypeScript source. First distinguish recording/stream folders from development projects with files such as package.json. Transport streams may carry programs/audio/timing; TypeScript is typed source text.

What it is used for
Broadcast/streaming media, or programming source
What the file contains
Producer-dependent
All sections, questions and sources

Content reviewed: · Editor:Kai

Opening steps

Choose your environment or purpose to see its steps.

Identify media versus source

The suffix does not determine the use.

  1. Identify a recording source versus a development project.
  2. Look for media playlists or project configuration.
  3. Use an editor for source or a media inspector for a transport stream.
Inspect transport-stream programs

The stream may contain multiple programs or segments.

  1. Inspect programs, video and audio with a compatible player or ffprobe.
  2. Select the intended program and audio track.
  3. Check duration, interruptions and subtitles.
Handle TypeScript as a project

Typed source is unrelated to video conversion.

  1. Read trusted project instructions and tsconfig.json.
  2. Set up the required compiler and dependencies.
  3. Inspect output and type errors from the documented build.

Menu labels and support vary by app, OS and version. Preserve the original before making changes.

Troubleshooting by symptom

  • Player fails: check whether it is TypeScript source.
  • Wrong program/audio: inspect transport-stream program/track selection.
  • Only part of a stream: check playlists and companion segments.
  • Wrong audio after export: inspect selected program/tracks.
  • Imports unresolved: inspect dependencies and module configuration.
  • Unexpected timing: inspect missing segments, ordering and recording metadata.

Media TS → MP4 / TypeScript → JavaScript

  1. Identify the use; choose the intended media program/tracks.
  2. For trusted source, use the project’s compiler; for media, export a compatible container separately.
  3. Validate media duration/audio or source types/build outputs according to the actual use.

Renaming to JS/MP4 is not conversion; do not run unknown project build scripts.

Distinguish programs, streams and segments

Identify intended programs/tracks and any segment sequence before exporting media.

Example: inspect programs for a recording’s sample.ts, but imports/project settings for source with the same name.

Source for these steps:Microsoft / TypeScript · TypeScript for JavaScript Programmers / FFmpeg · Formats Documentation / Microsoft / TypeScript · What is a tsconfig.json / FFmpeg Project · ffprobe Documentation

Identify TypeScript deliverables

Distinguish TS, generated JS and declarations; retain compiler configuration and dependency versions.

Source for these steps:Microsoft / TypeScript · TypeScript for JavaScript Programmers / FFmpeg · Formats Documentation / Microsoft / TypeScript · What is a tsconfig.json / FFmpeg Project · ffprobe Documentation

Related-format differences

Related-format differences
Format / methodRoleWhat to verify
Media TSPrograms/mediaTracks/timing
TypeScript TSTyped sourceProject settings
MTS / M2TSMedia containerActual codecs

Handling and security

Separate source inspection from execution and review recording rights/private information.

Questions and answers

Is all TS video?

No; it can also be TypeScript.

Always one recorded program?

Several programs/audio streams may be present.

Does TypeScript run directly in a browser?

Normally follow the project’s compilation workflow.

Does tsconfig.json prove that every TS is source?

It suggests project context; still inspect the specific file and provenance.

Can transport-stream video be moved losslessly to MP4?

It depends on container/codec compatibility; verify transcoding and preserved tracks afterward.

Format facts: name, steward and MIME type
Formal name
MPEG Transport Stream / TypeScript source
Steward / specification
MPEG, or Microsoft / TypeScript
MIME type
Depends on the producer or server; an extension alone does not establish a MIME type.

Primary and official sources

  • Official documentationTypeScript for JavaScript Programmers

    Explains the non-video TypeScript use of TS files.

    Microsoft / TypeScript · Link checked:
  • Project documentationFormats Documentation

    Reference for handling TS, MP4, DVD and MXF containers.

    FFmpeg · Link checked:
  • Official documentationWhat is a tsconfig.json

    Project boundaries and compiler configuration.

    Microsoft / TypeScript · Link checked:
  • Official documentationffprobe Documentation

    Inspection of programs, streams and media information.

    FFmpeg Project · Link checked: