RSS and Atom, hAudio
RSS and Atom, hAudio
To determine the least disruptive means of publishing extended-metadata for digital audio content within the scope of existing industry standards.?For the purposes of this
research the particular category of extended metadata is detailed playlist information relating to music based podcasts.?Publish a podcast using the industry standard Atom XML feed syndication format and include playlist metadata.
Investigate how a typical feed aggregator might be able to:
- Ingest the extended metadata
- Exploit the extended metadata
Currently there are no widely accepted standards within the radio industry to disseminate
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extended metadata for on-demand digital audio content.
A consequence of this is that the following entities are not able to provide users with an entirely consistent and complete set of content attributes:
- On-demand audio aggregation tools
- Third-party content aggregators/portals
- Search engines
The current norm is to produce an iTunes compliant RSS or Atom XML feed document.?Natively these standard formats only support a very minimal set of metadata attributes for each child item such as a show episode.
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After some research the least disruptive means of publishing such extended metadata was determined to be the microformat hAudio.
It has the following benefits:
- Open source and free to
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- hAudio can quickly be incorporated into existing RSS/Atom feed documents and X/HTML documents by means of the standard and robust XML syntax and format
- Non-disruptive: unless hAudio metadata parsing is enabled within an aggregation scenario, embedded hAudio metadata is silently ignored to allow parsing of standard metadata
hAudio can be easily ingested by aggregation tools: we found that the following combination of open-source programming tools can be relatively easily configured to parse Atom XML data containing hAudio metadata
- Python – interpreted, high-level programming language
- FeedParser – universal feed parser for Python
- BeautifulSoup – HTML/XML parser for Python
hAudio extended metadata might be exploited for example by:
- Enabling track purchasing through embedded links within a playlist
More information can be found here on the Radio Connected Wiki.