AudioBinary

`audio/x-matroska`

Matroska Audio

Reference for audio/x-matroska, the MIME type for audio in the Matroska container format supporting any audio codec.

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Expected extensions: .mka

HTTP Content-Type Header

HTTP Header

Content-Type: audio/x-matroska

Associated File Extensions

.mka

Quick Facts

MIME Type	audio/x-matroska
Category	Audio
Type	Binary
Extensions	.mka

Common Usage

Matroska Audio (MKA) is the audio-only variant of the Matroska container. It can hold any audio codec (FLAC, Opus, AAC, etc.) with rich metadata, chapters, and multiple tracks.

Used for audiobooks, music albums with chapters, and multi-language audio collections.

Code Examples

HTML

<!-- Link or embed with explicit type -->
<link rel="stylesheet" href="file.mka" type="audio/x-matroska">

<!-- Or for script/media elements -->
<script type="audio/x-matroska" src="file.mka"></script>

Node.js

// Express.js
app.get('/file', (req, res) => {
  res.type('audio/x-matroska');
  res.send(data);
});

// Node.js http
res.writeHead(200, { 'Content-Type': 'audio/x-matroska' });

nginx

# nginx.conf — add to types block or use default
types {
    audio/x-matroska  mka;
}

# Or set for a specific location
location /api/ {
    default_type audio/x-matroska;
}