[media-types] [IANA #1455999] application/vnd.tablafoc us.notation registration request

Hi Alexey,

Following up on this; can you review this new request by August 10th? Please let us know if you need more time.

Thank you.

--

Name: Sreeram Kongeseri

Email: [email protected]

Media type name: application

Media subtype name: vnd.tablafocus.notation

Required parameters: N/A

Optional parameters: N/A

Encoding considerations: binary

N/A

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.

Provisional registration? (standards tree only): No

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: [email protected]

Intended usage: LIMITED USE

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

Author/Change controller: Tabla Focus

--

Best regards,

David Dong
IANA Services Sr. Specialist

On Tue Jul 28 00:58:06 2026, david.dong wrote:
> Hi Alexey,
> 
> Can you review this new request by August 10th?
> 
> Thank you.
> 
> --
> 
> Name: Sreeram Kongeseri
> 
> Email: [email protected]
> 
> Media type name: application
> 
> Media subtype name: vnd.tablafocus.notation
> 
> Required parameters: N/A
> 
> Optional parameters: N/A
> 
> Encoding considerations: binary
> 
> N/A
> 
> 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.
> 
> Provisional registration? (standards tree only): No
> 
> 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: [email protected]
> 
> Intended usage: LIMITED USE
> 
> Use is limited to sharing tabla compositions and phrases between Tabla
> Focus installations.
> 
> Author/Change controller: Tabla Focus
> 
> --
> 
> Best regards,
> 
> David Dong
> IANA Services Sr. Specialist

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