What is MIME type "audio/application/x-pn-realmedia"?

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

audio/application/x-pn-realmedia is a MIME type for RealMedia audio content. It was developed by RealNetworks for efficient streaming and playback of compressed sound.
It adapts well to varying network speeds, helping deliver audio in real time.

This format is found in files like RAM, RM, RMVB, RA, RV, and RMA.

• Main Use Case: Streaming compressed audio over the internet.
• Other Uses: Playback via RealPlayer and other RealNetworks applications.
• Key Fact: Designed for real-time media delivery over low-bandwidth connections.
• Key Fact: Optimizes file size without greatly sacrificing audio quality.

This MIME type enables servers and clients to exchange media content seamlessly. Its design is tailored toward continuous and smooth playback, even when network conditions are not ideal.
For more on the topic, see the RealMedia overview on Wikipedia.

Associated file extensions

.ram, .rm, .rmvb, .ra, .rv, .rma

Usage Examples

HTTP Header

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

    Content-Type: audio/application/x-pn-realmedia
  

HTML

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

    <a href="file.dat" type="audio/application/x-pn-realmedia">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', 'audio/application/x-pn-realmedia');
      res.end('Content here');
    }).listen(3000);
  

Associated file extensions

.ram, .rm, .rmvb, .ra, .rv, .rma