alternateEnclosure examples - closes issue #6

README.md

@@ -66,11 +66,13 @@ this larger namespace.
 
 - **\<podcast:transcript>**[url to a file]**\</podcast:transcript>** - This is an item-level element.  Links to a text file containing a transcript.
 - **\<podcast:closedCaptions>**[url to a file]**\</podcast:closedCaptions>** - This is an item-level element.  Links to an industry standard closed-caption/subtitle file format.
-- **\<podcast:alternateEnclosure type="[mime type]" length="[(int)]" bitrate="[(float)]" title="[(string)]" [live]>**[uri of media asset]**\</podcast:alternateEnclosure>** - This is a channel or item-level element that is meant to provide alternate versions of an enclosure, such as low or
-   high bitrate, or alternate formats or alternate uri schemes, like IPFS or live streaming.  The title attribute is optional.  The "live" attribute is unary.  Its presence indicates
-   the url refers to a live stream.  There may be multiple alternateEnclosure elements in an item, but there must be no more than one in a channel.  The presence of this element at the
+- **\<podcast:alternateEnclosure type="[mime type]" length="[(int)]" bitrate="[(float)]" title="[(string)]" [live]>**[uri of media asset]**\</podcast:alternateEnclosure>** - This is a channel or item-level
+   element that is meant to provide alternate versions of an enclosure, such as low or
+   high bitrate, or alternate formats or alternate uri schemes, like IPFS or live streaming.  The title attribute is optional.  The "live" attribute is unary - its presence indicates that
+   the uri refers to a live stream.  There may be multiple alternateEnclosure elements in an item, but there must be no more than one in a channel.  The presence of this element at the
    channel level would be useful for adding a video/audio trailer or intro media that introduces the listener to the podcast.  For instance, in a podcast of an audiobook, this could be the book's
-   introduction or preface.
+   introduction or preface.  The alternateEnclosure element always refers to an "alternate" media version.  The standard RSS enclosure element is always the default media to be
+   played.
 
 
 ## Categories

example.xml

@@ -56,6 +56,8 @@
             <podcast:host>Adam Curry</podcast:host>
             <podcast:guest>Dave Jones</podcast:guest>
             <enclosure url="https://mp3s.nashownotes.com/PC20-03-2020-09-18-Final.mp3" length="62407829" type="audio/mpeg"/>
+            <podcast:alternateEnclosure type="audio/x-m4a" length="1540076" bitrate="80" title="Audio - low bitrate">https://podcastindex.org/ep0003/audio/podnews201009.m4a</podcast:alternateEnclosure>
+            <podcast:alternateEnclosure type="audio/mpeg" length="2534548" bitrate="160" title="Audio - high bitrate">https://podcastindex.org/ep0003/audio/podnews201009.mp3</podcast:alternateEnclosure>
         </item>
 
         <item>
@@ -74,6 +76,9 @@
             <podcast:host>Adam Curry</podcast:host>
             <podcast:guest>Dave Jones</podcast:guest>
             <enclosure url="https://mp3s.nashownotes.com/PC20-02-2020-09-11-Final.mp3" length="59902895" type="audio/mpeg"/>
+            <podcast:alternateEnclosure type="audio/x-m4a" length="1540076" bitrate="80" title="Audio - low bitrate">https://podcastindex.org/ep0002/audio/podnews201009.m4a</podcast:alternateEnclosure>
+            <podcast:alternateEnclosure type="audio/mpeg" length="2534548" bitrate="160" title="Audio - high bitrate">https://podcastindex.org/ep0002/audio/podnews201009.mp3</podcast:alternateEnclosure>
+
         </item>
 
         <item>
@@ -92,6 +97,9 @@
             <podcast:host>Adam Curry</podcast:host>
             <podcast:guest>Dave Jones</podcast:guest>
             <enclosure url="https://mp3s.nashownotes.com/PC20-01-2020-08-28-Final.mp3" length="61222288" type="audio/mpeg"/>
+            <podcast:alternateEnclosure type="audio/x-m4a" length="1540076" bitrate="80" title="Audio - low bitrate">https://podcastindex.org/ep0001/audio/podnews201009.m4a</podcast:alternateEnclosure>
+            <podcast:alternateEnclosure type="audio/mpeg" length="2534548" bitrate="160" title="Audio - high bitrate">https://podcastindex.org/ep0001/audio/podnews201009.mp3</podcast:alternateEnclosure>
+
         </item>
     </channel>
 </rss>