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hixie: audio synthesis notes for v2 (whatwg r3455)

From: poot <cvsmail@w3.org>
Date: Tue, 21 Jul 2009 08:00:27 +0900 (JST)
To: public-html-diffs@w3.org
Message-Id: <20090720230027.7946A2BCA1@toro.w3.mag.keio.ac.jp>
hixie: audio synthesis notes for v2 (whatwg r3455)

http://dev.w3.org/cvsweb/html5/spec/Overview.html?r1=1.2579&r2=1.2580&f=h
http://html5.org/tools/web-apps-tracker?from=3454&to=3455

===================================================================
RCS file: /sources/public/html5/spec/Overview.html,v
retrieving revision 1.2579
retrieving revision 1.2580
diff -u -d -r1.2579 -r1.2580
--- Overview.html	20 Jul 2009 22:47:45 -0000	1.2579
+++ Overview.html	20 Jul 2009 23:00:08 -0000	1.2580
@@ -17349,7 +17349,22 @@
 };</pre>
    </dd>
   </dl><p>An <code><a href="#audio">audio</a></code> element <a href="#represents">represents</a> a sound or
-  audio stream.<p>Content may be provided inside the <code><a href="#audio">audio</a></code>
+  audio stream.</p><!-- v2 (actually v3) suggestions:
+    * Audio syntesis. Use cases from Charles Pritchard:
+      > Use a sound of varying pitch to hint to a user the location of their 
+      > mouse (is it hovering over a button, is it x/y pixels away from the edge 
+      > of the screen, how close is it to the center).
+      > 
+      > Alter the pitch of a sound to make a very cheap midi instrument.
+      > 
+      > Pre-mix a few generated sounds, because the client processor is slow.
+      > 
+      > Alter the pitch of an actual audio recording, and pre-mix it, to give 
+      > different sounding voices to pre-recorded readings of a single text. As 
+      > has been tried for "male" "female" sound fonts.
+      > 
+      > Support very simple audio codecs, and programmable synthesizers.
+  --><p>Content may be provided inside the <code><a href="#audio">audio</a></code>
   element<span class="impl">. User agents should not show this content
   to the user</span>; it is intended for older Web browsers which do
   not support <code><a href="#audio">audio</a></code>, so that legacy audio plugins can be
@@ -17629,7 +17644,7 @@
       (e.g. for chained Ogg streams of multiple independent videos)
     * balance and 3D position audio
     * audio filters
-    * audio synthesis
+    * audio synthesis (see <audio> section for use cases)
     * feedback to the script on how well the video is playing
        - frames per second?
        - skipped frames per second?
Received on Monday, 20 July 2009 23:01:03 GMT

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