[media-types] Re: Media Type Registration: application/jum bf
Alexey Melnikov <[email protected]> Wed, 8 Jul 2026 13:06:54 +0100
| Newsgroups | gmane.ietf.types |
|---|---|
| Message-ID | <[email protected]> |
--===============8525179273254773138== Content-Type: multipart/alternative; boundary="------------oISL0UYxN5JlXK4tf4drPPjM" Content-Language: en-US --------------oISL0UYxN5JlXK4tf4drPPjM Content-Type: text/plain; charset=UTF-8; format=flowed Content-transfer-encoding: quoted-printable Hi Leonard, On 07/07/2026 13:32, Leonard Rosenthol wrote: > I just checked and don=E2=80=99t see this on the approved list of media ty= pes. > > Was there something else I needed to do? I've forwarded your request to [email protected] which should get this=20 registered officially. [email protected] mailing list is for=20 discussions, so it doesn't cause automatic registration. Best Regards, Alexey > > Leonard > > *From: *HANSEN, TONY L <[email protected]> > *Date: *Monday, April 20, 2026 at 5:56=E2=80=AFPM > *To: *Leonard Rosenthol <[email protected]>; [email protected]=20 > <[email protected]> > *Cc: *Frederik TEMMERMANS <[email protected]> > *Subject: *Re: Media Type Registration: application/jumbf > > *EXTERNAL: Use caution when clicking on links or opening attachments.* > > > Yes, I approve of this version. > > =E2=80=82=E2=80=82=E2=80=82=E2=80=82=E2=80=82=E2=80=82Tony Hansen > > *From: *Leonard Rosenthol <[email protected]> > *Date: *Monday, April 20, 2026 at 12:43=E2=80=AFPM > *To: *[email protected] <[email protected]>, HANSEN, TONY L=20 > <[email protected]> > *Cc: *Frederik TEMMERMANS <[email protected]> > *Subject: *Media Type Registration: application/jumbf > > > Dear IANA Media Types Reviewer, > > On behalf of ISO/IEC JTC 1/SC 29/WG 1 (the JPEG Committee), I am=20 > re-submitting the following media type registration request for the=20 > JPEG Universal Metadata Box Format (JUMBF), as specified in ISO/IEC=20 > 19566-5. =C2=A0It has been approved by @HANSEN, TONY L=20 > <mailto:[email protected]>. > > Leonard > > =E2=80=94=E2=80=94=E2=80=94 > ------------------ > > Type name: application > > Subtype name: jumbf > > Required parameters: None > > Optional parameters: None > > Encoding considerations: > binary =E2=80=94 JUMBF files are binary box-structured data and should be= =20 > transmitted as-is. Base64 encoding (base64) should be used when=20 > transmitted over transports that are not binary-clean. > > Security considerations: > JUMBF files are structured binary containers that may embed metadata=20 > of various types, including XML, JSON, CBOR, YAML, image codestreams,=20 > and arbitrary binary files. Implementations should be aware of the=20 > following: > =E2=80=82=E2=80=82=E2=80=82=E2=80=82=E2=80=82=E2=80=82- Embedded content o= f any media type inherits the security=20 > considerations of that type. > =E2=80=82=E2=80=82=E2=80=82=E2=80=82=E2=80=82=E2=80=82- JUMBF supports a r= equestability mechanism that allows=20 > referencing and requesting embedded content; implementations should=20 > validate and sanitize any URI references to prevent unauthorized data=20 > exposure. > =E2=80=82=E2=80=82=E2=80=82=E2=80=82=E2=80=82=E2=80=82- Files may contain = nested JUMBF boxes of unbounded depth;=20 > implementations should defend against excessive nesting and malformed=20 > length fields. > =E2=80=82=E2=80=82=E2=80=82=E2=80=82=E2=80=82=E2=80=82- JUMBF does not pro= vide inherent integrity protection or=20 > encryption; security-sensitive deployments should layer appropriate=20 > cryptographic mechanisms on top. > =E2=80=82=E2=80=82=E2=80=82=E2=80=82=E2=80=82=E2=80=82- No executable code= is defined by this format. > > Interoperability considerations: > JUMBF is defined by ISO/IEC 19566-5 and is designed to be embedded=20 > within box-based JPEG file formats (e.g., JPEG 2000 per ISO/IEC=20 > 15444-1, JPEG XL per ISO/IEC 18181-2) or within JPEG 1 images via=20 > APP11 marker segments (per ISO/IEC 18477-3). The media type=20 > application/jumbf is intended for use when a JUMBF payload is stored=20 > or transmitted as a standalone file, independent of any parent image=20 > container. The file extension for standalone JUMBF files is .jumbf. > > Published specification: > ISO/IEC 19566-5, "Information technology =E2=80=94 JPEG Systems =E2=80=94 = Part 5: JPEG=20 > Universal Metadata Box Format (JUMBF)", ISO/IEC JTC 1/SC 29/WG 1.=20 > Available from: https://www.iso.org/standard/84635.html=20 > <https://urldefense.com/v3/__https://www.iso.org/standard/84635.html__;!!B= hdT!gdlQx7mvtMI5hOrtL8WqTgEbjmop4x-WzNDUxBGya1ODG3FOfHfrPv3Ih-He9Y82cEAwac68= VuxpqQBFTuABczqN2w$> > > Applications that use this media type: > JUMBF is used to embed and reference metadata within JPEG-family image=20 > formats. It is employed by ISO/IEC 19566-4 (JPEG Privacy & Security)=20 > and ISO/IEC 19566-6 (JPEG 360), among other standards. It is the basis=20 > for JPEG Trust Records as per ISO/IEC 21617-1. > > Standalone JUMBF files may be used when embedding within a parent=20 > image is impractical (e.g., due to size constraints), inappropriate=20 > (e.g., to avoid modifying a protected asset), or when the JUMBF=20 > payload is to be associated with a media asset at a later stage. > > Fragment identifier considerations: > JUMBF supports a URI fragment and query syntax for referencing=20 > embedded JUMBF boxes by label. References follow the pattern: > =E2=80=82=E2=80=82=E2=80=82=E2=80=82=E2=80=82=E2=80=82jumbf=3D<label>[/<la= bel>...] > conforming to the W3C Media Fragments specification (W3C=20 > REC-media-frags-20120925). No fragment identifier syntax specific to=20 > the application/jumbf media type beyond this is defined. > > Additional information: > > =C2=A0 Deprecated alias names for this type: None > > =C2=A0 Magic number(s): > =E2=80=82=E2=80=82=E2=80=82=E2=80=82=E2=80=82=E2=80=82Bytes 4=E2=80=937 (0= -indexed): 0x6A 0x75 0x6D 0x62 ('jumb') =E2=80=94 the JUMBF=20 > Box type field. > =E2=80=82=E2=80=82=E2=80=82=E2=80=82=E2=80=82=E2=80=82Note: The first four= bytes are the LBox (box length) field and=20 > are variable. > > =C2=A0 File extension(s): .jumbf > > =C2=A0 Macintosh file type code(s): None > > =C2=A0 Object Identifier(s) or OID(s): None > > Person & email address to contact for further information: > Leonard Rosenthol > Project Leader, JUMBF > ISO/IEC JTC 1/SC 29/WG 1 > [email protected] <mailto:[email protected]> > > Frederik Temmermans > Chair, Systems & Integrations > ISO/IEC JTC 1/SC 29/WG 1 > [email protected] <mailto:[email protected]> > > Intended usage: COMMON > > Restrictions on usage: None > > Author: > =C2=A0 ISO/IEC JTC 1/SC 29/WG 1 (the JPEG Committee) > > Change controller: > =C2=A0 ISO/IEC JTC 1/SC 29/WG 1 > =C2=A0 Secretariat: SAC (Standardization Administration of China) > > Leonard > > > > _______________________________________________ > media-types mailing list [email protected] > To unsubscribe send an email [email protected] --------------oISL0UYxN5JlXK4tf4drPPjM Content-Type: text/html; charset=UTF-8 Content-transfer-encoding: quoted-printable <!DOCTYPE html> <html> <head> <meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3DUTF-8"= > </head> <body> <p>Hi Leonard,</p> <div class=3D"moz-cite-prefix">On 07/07/2026 13:32, Leonard Rosenthol wrote:<br> </div> <blockquote type=3D"cite" cite=3D"mid:[email protected].= prod.outlook.com"> <meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3DUTF-= 8"> <div style=3D"direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> I just checked and don=E2=80=99t see this on the approved list of media typ= es.</div> <div style=3D"direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div style=3D"direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Was there something else I needed to do?</div> </blockquote> <p>I've forwarded your request to <a class=3D"moz-txt-link-abbreviated" = href=3D"mailto:[email protected]">[email protected]</a> which should get this registered officially. <a class=3D"moz-txt-link-abbreviated" href= =3D"mailto:[email protected]">[email protected]</a> mailing list is for discussions, so it doesn't cause automatic registration.</p> <p>Best Regards,</p> <p>Alexey</p> <blockquote type=3D"cite" cite=3D"mid:[email protected].= prod.outlook.com"> <div style=3D"direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div style=3D"direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Leonard</div> <div style=3D"direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div id=3D"mail-editor-reference-message-container"> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr;"> </div> <div style=3D"padding: 3pt 0in 0in; border-width: 1pt medium medium; border-style: solid none none; border-color: rgb(181, 196, 223) currentcolor currentcolor;"> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; font-family: Aptos; font-size: 12pt; color: black;"> <b>From: </b>HANSEN, TONY L <a class=3D"moz-txt-link-rfc2396E" href=3D"mailto:[email protected]"><tony=3D40a= [email protected]></a><br> <b>Date: </b>Monday, April 20, 2026 at 5:56=E2=80=AFPM<br> <b>To: </b>Leonard Rosenthol <a class=3D"moz-txt-link-rfc2396E" href=3D"mailto:[email protected]"><[email protected]><= /a>; <a class=3D"moz-txt-link-abbreviated moz-txt-link-freetext" href=3D"mailto:[email protected]">[email protected]</a> <a class=3D"moz-txt-link-rfc2396E" href=3D"mailto:[email protected]"><[email protected]&= gt;</a><br> <b>Cc: </b>Frederik TEMMERMANS <a class=3D"moz-txt-link-rfc2396E" href=3D"mailto:[email protected]"><frederik.temmer= [email protected]></a><br> <b>Subject: </b>Re: Media Type Registration: application/jumbf<br> <br> </div> </div> <p class=3D"ms-outlook-mobile-reference-message skipProofing"><span style=3D"font-size: 14px; color: rgb(0, 0, 0);"><b>EXTERNAL: Use caution when clicking on links or opening attachments.</b>= </span></p> <p class=3D"ms-outlook-mobile-reference-message skipProofing"><br> </p> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Yes, I approve of this version.</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> =E2=80=82=E2= =80=82=E2=80=82=E2=80=82=E2=80=82=E2=80=82Tony Hansen</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div id=3D"mail-editor-reference-message-container"> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; padding: 3pt 0in 0in; border-width: 1pt medium medium; border-style: solid none none; border-color: rgb(181, 196, 223) currentcolor currentcolor; font-family: Aptos; font-size: 12pt; color: black;"> <b>From: </b>Leonard Rosenthol <a class=3D"moz-txt-link-rfc2396E" href=3D"mailto:[email protected]"><lros= [email protected]></a><br> <b>Date: </b>Monday, April 20, 2026 at 12:43=E2=80=AFPM<br> <b>To: </b><a class=3D"moz-txt-link-abbreviated moz-txt-link-freetext" href=3D"mailto:[email protected]">[email protected]</a> <a class=3D"moz-txt-link-rfc2396E" href=3D"mailto:[email protected]"><[email protected]&= gt;</a>, HANSEN, TONY L <a class=3D"moz-txt-link-rfc2396E" href=3D"mailto:[email protected]"><[email protected]></a><br> <b>Cc: </b>Frederik TEMMERMANS <a class=3D"moz-txt-link-rfc2396E" href=3D"mailto:[email protected]"><frederik.temmer= [email protected]></a><br> <b>Subject: </b>Media Type Registration: application/jumbf<br> <br> </div> <div dir=3D"ltr" id=3D"pfptBannerfnoid6h" style=3D"visibility:visible!important; opacity:1!important; max-width:none!important; max-height:none!important; display:block!important; text-align:left!important; margin:0px 0px 10px!important; padding:7px 16px 8px!important; border-radius:4px!important; min-width:200px!important; background-color:rgb(208,216,220); border-top:4px solid rgb(144,164,174)!important" lang=3D"en"> <div id=3D"pfptBannerfnoid6h" style=3D"visibility:visible!important; opacity:1!important; background-color:rgb(208,216,220); max-height:none!important; float:left!important; display:block!important; margin:1px 0px!important; max-width:600px!important" dir=3D"ltr"> <div id=3D"pfptBannerfnoid6h" dir=3D"ltr" style=3D"opacity:1!important; max-width:none!important; max-height:none!important; display:block!important; visibility:visible!important; background-color:rgb(208,216,220); color:rgb(0,0,0); font-family:Arial,sans-serif!important; font-weight:bold!important; font-size:14px!important; line-height:1.29!important"> <div style=3D"direction: ltr;"><br> </div> </div> </div> <div style=3D"line-height: 0; height: 0px; display: block; font-size: 0.01px;">=C2=A0</div> </div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <span style=3D"text-transform: none;">Dear IANA Media Types Reviewer,</span></div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <span style=3D"text-transform: none;">On behalf of ISO/IEC JTC 1/SC 29/WG 1 (the JPEG Committee), I am re-submitting the following media type registration request for the JPEG Universal Metadata Box Format (JUMBF), as specified in ISO/IEC 19566-5. =C2=A0It has been approved by <a href=3D"mailto:[email protected]" id=3D"OWAAM624001" rel=3D"noreferrer noopener" data-outlook-id=3D"ecab3cf0-6a17-4650-8266-86c8b9d25a85" moz-do-not-send=3D"true"> @HANSEN, TONY L</a>.</span><br> <br> </div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Leonard</div= > <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> =E2=80=94=E2= =80=94=E2=80=94</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <span style=3D"text-transform: none;">------------------</span></div= > <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Type name: application</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Subtype name: jumbf</div= > <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Required parameters: None</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Optional parameters: None</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Encoding considerations:</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> binary =E2=80=94 JUMBF f= iles are binary box-structured data and should be transmitted as-is. Base64 encoding (base64) should be used when transmitted over transports that are not binary-clean.</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Security considerations:</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> JUMBF files are structured binary containers that may embed metadata of various types, including XML, JSON, CBOR, YAML, image codestreams, and arbitrary binary files. Implementations should be aware of the following:</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> =E2=80=82=E2=80=82=E2=80= =82=E2=80=82=E2=80=82=E2=80=82- Embedded content of any media type inherits the security considerations of that type.</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> =E2=80=82=E2=80=82=E2=80= =82=E2=80=82=E2=80=82=E2=80=82- JUMBF supports a requestability mechanism that allows referencing and requesting embedded content; implementations should validate and sanitize any URI references to prevent unauthorized data exposure.</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> =E2=80=82=E2=80=82=E2=80= =82=E2=80=82=E2=80=82=E2=80=82- Files may contain nested JUMBF boxes of unbounded depth; implementations should defend against excessive nesting and malformed length fields.</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> =E2=80=82=E2=80=82=E2=80= =82=E2=80=82=E2=80=82=E2=80=82- JUMBF does not provide inherent integrity protection or encryption; security-sensitive deployments should layer appropriate cryptographic mechanisms on top.</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> =E2=80=82=E2=80=82=E2=80= =82=E2=80=82=E2=80=82=E2=80=82- No executable code is defined by this format.</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Interoperability considerations:</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> JUMBF is defined by ISO/IEC 19566-5 and is designed to be embedded within box-based JPEG file formats (e.g., JPEG 2000 per ISO/IEC 15444-1, JPEG XL per ISO/IEC 18181-2) or within JPEG 1 images via APP11 marker segments (per ISO/IEC 18477-3). The media type application/jumbf is intended for use when a JUMBF payload is stored or transmitted as a standalone file, independent of any parent image container. The file extension for standalone JUMBF files is .jumbf.</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Published specification:</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt;"> <span style=3D"color: rgb(0, 0, 0);">ISO/IEC 19566-5, "Information technology =E2=80=94 JPEG Systems =E2=80= =94 Part 5: JPEG Universal Metadata Box Format (JUMBF)", ISO/IEC JTC 1/SC 29/WG 1. Available from: </span><span style=3D"color: rgb(0, 120, 212);"><a href=3D"https://urldefense.com/v3/__https://www.iso.org/standard/84635.html_= _;!!BhdT!gdlQx7mvtMI5hOrtL8WqTgEbjmop4x-WzNDUxBGya1ODG3FOfHfrPv3Ih-He9Y82cEA= wac68VuxpqQBFTuABczqN2w$" title=3D"https://nam04.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F%2= Furldefense.com%2Fv3%2F__https%3A%2F%2Fwww.iso.org%2Fstandard%2F84635.html__= %3B!!BhdT!gdlQx7mvtMI5hOrtL8WqTgEbjmop4x-WzNDUxBGya1ODG3FOfHfrPv3Ih-He9Y82cE= Awac68VuxpqQBFTuABczqN2w%24&data=3D05%7C02%7Clrosenth%40adobe.com%7Cf7e8= 9178b74540c2bdc008de9c7c491c%7Cfa7b1b5a7b34438794aed2c178decee1%7C0%7C0%7C63= 9120254785910446%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjA= uMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C80000%7C%7C%7C&a= mp;sdata=3D4LluV%2BXQyaujyU2QO%2F3BJoJ6bt94Uhsv%2Fm2%2BlTfoXaY%3D&reserv= ed=3D0" originalsrc=3D"https://urldefense.com/v3/__https://www.iso.org/standard/8463= 5.html__;!!BhdT!gdlQx7mvtMI5hOrtL8WqTgEbjmop4x-WzNDUxBGya1ODG3FOfHfrPv3Ih-He= 9Y82cEAwac68VuxpqQBFTuABczqN2w$" data-outlook-id=3D"f3f75eb5-ea83-49d5-86a9-d069e19c7dcc" style=3D"color: rgb(0, 120, 212);" moz-do-not-send=3D"true">= https://www.iso.org/standard/84635.html</a></span></div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Applications that use this media type:</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> JUMBF is used to embed and reference metadata within JPEG-family image formats. It is employed by ISO/IEC 19566-4 (JPEG Privacy & Security) and ISO/IEC 19566-6 (JPEG 360), among other standards. It is the basis for JPEG Trust Records as per ISO/IEC 21617-1.</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Standalone JUMBF files may be used when embedding within a parent image is impractical (e.g., due to size constraints), inappropriate (e.g., to avoid modifying a protected asset), or when the JUMBF payload is to be associated with a media asset at a later stage.</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Fragment identifier considerations:</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> JUMBF supports a URI fragment and query syntax for referencing embedded JUMBF boxes by label. References follow the pattern:</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> =E2=80=82=E2=80=82=E2=80=82=E2=80=82=E2=80=82=E2=80=82jumbf=3D&l= t;label>[/<label>...]</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> conforming to the W3C Media Fragments specification (W3C REC-media-frags-20120925). No fragment identifier syntax specific to the application/jumbf media type beyond this is defined.</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Additional information:</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> =C2=A0 Deprecated alias names for this type: None</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> =C2=A0 Magic number(s):<= /div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> =E2=80=82=E2=80=82=E2=80= =82=E2=80=82=E2=80=82=E2=80=82Bytes 4=E2=80=937 (0-indexed): 0x6A 0x75 0x6D 0x62 ('jumb') =E2=80=94 the JUMBF Bo= x type field.</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> =E2=80=82=E2=80=82=E2=80= =82=E2=80=82=E2=80=82=E2=80=82Note: The first four bytes are the LBox (box length) field and are variable.</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> =C2=A0 File extension(s)= : .jumbf</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> =C2=A0 Macintosh file type code(s): None</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> =C2=A0 Object Identifier(s) or OID(s): None</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Person & email address to contact for further information:</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Leonard Rosenthol</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Project Leader, JUMBF</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> ISO/IEC JTC 1/SC 29/WG 1</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt;"> <span style=3D"color: rgb(0, 0, 0);">=C2=A0</= span><span style=3D"color: rgb(0, 120, 212);"><a href=3D"mailto:[email protected]" class=3D"ms-outlook-linkify moz-txt-link-freetext" data-outlook-id=3D"e069ac4f-a936-4459-a156-11cc9edc1ab5" style=3D"color: rgb(0, 120, 212);" moz-do-not-send=3D"true">= [email protected]</a></span></div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Frederik Temmermans</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Chair, Systems & Integrations</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> ISO/IEC JTC 1/SC 29/WG 1</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 120, 212);"> <a href=3D"mailto:[email protected]" class=3D"ms-outlook-linkify moz-txt-link-freetext" data-outlook-id=3D"e91f7d48-0204-470c-8f1e-3ef5528a9a52" style=3D"color: rgb(0, 120, 212);" moz-do-not-send=3D"true">fr= [email protected]</a></div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Intended usage: COMMON</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Restrictions on usage: None</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Author:</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> =C2=A0 ISO/IEC JTC 1/SC 29/WG 1 (the JPEG Committee)</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Change controller:</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> =C2=A0 ISO/IEC JTC 1/SC 29/WG 1</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> =C2=A0 Secretariat: SAC (Standardization Administration of China)</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; text-align: left; text-indent: 0px; text-transform: none; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <span style=3D"text-transform: none;">Leonard</span><br> <br> </div> <div class=3D"ms-outlook-mobile-reference-message skipProofing" style=3D"direction: ltr; font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> </div> </div> <br> <fieldset class=3D"moz-mime-attachment-header"></fieldset> <pre class=3D"moz-quote-pre" wrap=3D"">_______________________________= ________________ media-types mailing list -- <a class=3D"moz-txt-link-abbreviated moz-txt-link-freetext" href=3D"mailto:[email protected]">[email protected]</a> To unsubscribe send an email to <a class=3D"moz-txt-link-abbreviated moz-txt-link-freetext" href=3D"mailto:[email protected]">[email protected]<= /a> </pre> </blockquote> </body> </html> --------------oISL0UYxN5JlXK4tf4drPPjM-- --===============8525179273254773138== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbWVkaWEtdHlw ZXMgbWFpbGluZyBsaXN0IC0tIG1lZGlhLXR5cGVzQGlldGYub3JnClRvIHVuc3Vic2NyaWJlIHNl bmQgYW4gZW1haWwgdG8gbWVkaWEtdHlwZXMtbGVhdmVAaWV0Zi5vcmcK --===============8525179273254773138==--