[media-types] Re: [IANA #1442239] audio/soundfont regi stration request

Hi Amanda,

This is fine to approve as a grandfathered media type.

Thank you,

Alexey

On 26/01/2026 23:22, Amanda Baber via RT wrote:
> Hi Alexey,
>
> Would you be able to recommend that the IESG approve this as a grandfathered media type?
>
> If so, are the change controller and general comment fields OK for publication?
>
> thanks,
> Amanda
>
> =====
>
> Name: Aria Barak
>
> Email: [email protected]
>
> Media type name: audio
>
> Media subtype name: soundfont
>
> Required parameters: N/A
>
> Optional parameters: N/A
>
> Encoding considerations: binary
>
> Security considerations: SoundFonts do not contain any executable media, and no encryption is provided. However, as they contain audio files, it is possible that sensitive or copyrighted material may be contained in them.
>
> Interoperability considerations: There are many SoundFont players and writers, such as TiMidity++, FluidSynth, Polyphone, and Swami.
>
> Published specification: http://www.synthfont.com/sfspec24.pdf
>
> Applications which use this media: Software for MIDI playback, music related software.
>
> Fragment identifier considerations: N/A
>
> Restrictions on usage: N/A
>
> Provisional registration? (standards tree only): No
>
> Additional information:
>
> 1. Deprecated alias names for this type: N/A
> 2. Magic number(s): sfbk
> 3. File extension(s): sf2
> 4. Macintosh file type code: N/A
> 5. Object Identifiers: N/A
>
> General Comments: This is not a format I created and it’s origins are tricky. If anyone gives me good proof as to their involvement, I will gladly give them ownership of the media type.
>
> Person to contact for further information:
>
> 1. Name: Aria Barak
> 2. Email: [email protected]
>
> Intended usage: COMMON
>
> SoundFonts are generally used for MIDI playback and audio sampling or synthesis.
>
> Author/Change controller: N/A

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