[html5] r3455 - [e] (0) audio synthesis notes for v2

whatwg at whatwg.org whatwg at whatwg.org
Mon Jul 20 16:00:03 PDT 2009


Author: ianh
Date: 2009-07-20 16:00:00 -0700 (Mon, 20 Jul 2009)
New Revision: 3455

Modified:
   index
   source
Log:
[e] (0) audio synthesis notes for v2

Modified: index
===================================================================
--- index	2009-07-20 22:47:39 UTC (rev 3454)
+++ index	2009-07-20 23:00:00 UTC (rev 3455)
@@ -19934,6 +19934,23 @@
   </dl><p>An <code><a href=#audio>audio</a></code> element <a href=#represents>represents</a> a sound or
   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
@@ -20256,7 +20273,7 @@
       (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?

Modified: source
===================================================================
--- source	2009-07-20 22:47:39 UTC (rev 3454)
+++ source	2009-07-20 23:00:00 UTC (rev 3455)
@@ -21350,6 +21350,23 @@
   <p>An <code>audio</code> element <span>represents</span> a sound or
   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>audio</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
@@ -21711,7 +21728,7 @@
       (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?




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