(registered 2026-08-13, last updated 2026-08-13)

Media type name: application

Media subtype name: vnd.tablafocus.notation

Required parameters: N/A

Optional parameters: N/A

Encoding considerations: binary

Security considerations: The format contains user-authored musical notation and annotations. It contains no executable content. Version 2 is an authenticated encrypted binary container. Readers must authenticate the complete container before decoding, reject authentication failures, impose input-size limits, and treat all imported data as untrusted. Encryption provides application-format confidentiality but is not intended to constitute DRM against determined reverse engineering of the client application.

Interoperability considerations: This media type is intended for interchange between Tabla Focus installations. Version 2 is the current format. Tabla Focus for iOS is the reference reader and writer.

Published specification: https://www.tablafocus.com/formats/tabla

Applications which use this media: Tabla Focus for iOS

Fragment identifier considerations: N/A

Restrictions on usage: Use is limited to sharing tabla compositions and phrases between Tabla Focus installations.

Additional information:

1. Deprecated alias names for this type: N/A
2. Magic number(s): 54 42 4C 41 00 02 0D 0A at offset 0
3. File extension(s): .tabla
4. Macintosh file type code: N/A
5. Object Identifiers: N/A

General Comments: 

Format name: Tabla Focus Notation. 
Current version: 2. 
Apple UTI: com.tablafocus.notation. Tabla Focus for iOS is the reference reader and writer.

Person to contact for further information:

1. Name: Sreeram Kongeseri
2. Email: hello&tablafocus.com

Intended usage: LIMITED USE

Use is limited to sharing tabla compositions and phrases between Tabla Focus installations.

Author/Change controller: Tabla Focus