Talk:Media Types

TO DO

1. describe supported vs unsupported
2. impact of unsupported
3. locate good example specimen with audubon core data including dc:format
4. more

Introduction

intro goes here

Supported formats will be able to be represented in some "pretty" way in the iDigBio portal.

Explain consequeneces of unsupported.... file sizes too large to be usable by a wide community, or need special software not commonly installed on computers, ....

Legend

iDigBio short name

A single word that is a shortened name used by iDigBio internally, in documentation, the name of the media storage bucket, or possibly seen in API parameters to describe the type of media. For example, "images" and "sounds".

Supported formats

A list of known supported file formats in the format that is generally used to describe the format. Examples: JPEG, JPEG 2000, MP4 (AAC audio)

Common file extensions

The most commonly used file extensions (letters after the last period in a filename) for files of the particular type. For example, .jpg, .jp2, .mp4, .stl

Common MIME types

The common MIME types known to be included in this media type, derived from the IANA controlling vocabulary of media types: http://www.iana.org/assignments/media-types/media-types.xhtml

Known Unsupported formats

A list of known unsupported file formats in the form that is generally used to describe the format. Examples: DNG, RAW, PSD, TIFF, GIF

Audubon Core Sample Values

An example of a single media type as it could be represented in Audubon Core.

 "dc:type" : "StillImage"
 "dc:format" : "image/jpeg"

iDigBio additional derivatives

List of derivatives that iDigBio creates for the media type. For example, "thumbnail", "webview", "fullsize"

Media Types

Images

iDigBio short name

"images"

Supported formats

JPEG, JPEG 2000, PNG

Common file extensions

.jpg, .jpeg, .jp2, .png

Common MIME types

image/jpeg, image/jp2, image/png

Known Unsupported formats

DNG, RAW, PSD, TIFF, GIF

Audubon Core Sample Values

 "dc:type" : "StillImage"
 "dc:format" : "image/jpeg"

iDigBio additional derivatives

thumbnail, webview, fullsize

Video

iDigBio short name

"videos"

Supported formats

MP4 (H.264 encoding), MPEG

Common file extensions

.mp4, .mpeg

Common MIME types

video/mp4, video/mpeg

Known Unsupported formats

GIF, DIVX, Adobe Flash (F4V, FLV), Quicktime

Audubon Core Sample Values

 "dc:type" : "MovingImage"
 "dc:format" : "video/mp4"

iDigBio additional derivatives

**** TBD ****

Audio

iDigBio short name

"sounds"

Supported formats

MP3 (MPEG-1 or MPEG-2 audio), MP4 (AAC audio)

Common file extensions

.mp3, .mp4

Common MIME types

audio/mpeg, audio/MPA, audio/mp4

Known Unsupported formats

WAV

Audubon Core Sample Values

 "dc:type" : "Sound"
 "dc:format" : "audio/mpeg"

iDigBio additional derivatives

**** TBD ****

3D Models

iDigBio short name

"models"

Supported formats

StereoLithograph (STL, binary), Polygon File Format (PLY, binary)

Common file extensions

STL, PLY

Common MIME types

model/mesh

Known Unsupported formats

**** TBD ****

Audubon Core Sample Values

 "dc:type" : "InteractiveResource"
 "dc:format" : "model/mesh"

iDigBio additional derivatives

**** TBD ****

Documents

iDigBio short name

"documents"

Supported formats

Portable Document Format (PDF)

Common file extensions

.pdf

Common MIME types

"application/pdf"

Known Unsupported formats

DOC, DOCX

Audubon Core Sample Values

 "dc:type" : "Text"
 "dc:format" : "application/pdf"

iDigBio additional derivatives

**** TBD ****