What is MIME type "application/emma+xml"?

A MIME type is a string that tells browsers and other tools how to handle a particular kind of file.

application/emma+xml is a MIME type for files that carry data in the EMMA format. It packages multimodal annotations using XML structure. This means it stores information about voice input, gestures, and other interactive data for systems to process seamlessly.

Main purpose: Exchange rich, structured annotations across various applications.
Key use cases:
- Tagging and interpreting voice commands from speech recognition tools.
- Annotating multimedia content with timing and semantic details.
- Supporting interactive systems that combine audio, text, and gesture inputs.
Technical functionality: Uses the extensibility of XML to easily integrate with other standards and applications.

Files using this type usually have the file extension EMMA.
Learn more about the specifications in the W3C EMMA Specification.

Associated file extensions

.emma

Usage Examples

HTTP Header

When serving content with this MIME type, set the Content-Type header:


    Content-Type: application/emma+xml

HTML

In HTML, you can specify the MIME type in various elements:


    <a href="file.dat" type="application/emma+xml">Download file</a>

Server-side (Node.js)

Setting the Content-Type header in Node.js:


    const http = require('http');
    
    http.createServer((req, res) => {
      res.setHeader('Content-Type', 'application/emma+xml');
      res.end('Content here');
    }).listen(3000);

Associated file extensions

.emma

FAQ

What is a MIME type?

A MIME (Multipurpose Internet Mail Extensions) type is a standard that indicates the nature and format of a document, file, or assortment of bytes. MIME types are defined and standardized in IETF's RFC 6838.

MIME types are important because they help browsers and servers understand how to process a file. When a browser receives a file from a server, it uses the MIME type to determine how to display or handle the content, whether it's an image to display, a PDF to open in a viewer, or a video to play.

MIME types consist of a type and a subtype, separated by a slash (e.g., text/html, image/jpeg, application/pdf). Some MIME types also include optional parameters.

How do I find the MIME type for a file?

You can check the file extension or use a file identification tool such as file --mime-type on the command line. Many programming languages also provide libraries to detect MIME types.

Why are multiple MIME types listed for one extension?

Different applications and historical conventions may use alternative MIME identifiers for the same kind of file. Showing them all helps ensure compatibility across systems.