
__header|<html><body background="bgbeginning.jpg">
__header
__title Limitations
__audio 5.mp3
__top
<h4>
WebShow has the following limitations.
</h4>

__bullet_start
__list_item Individual Audio Recordings
Audio recordings must be partitioned into individual files which are
then matched with each slide.  WebShow does not support playback of a
single long recording with automatic slide advance.

__list_item Unattended Operation
Unattended (automatic) operation may be possible depending upon the 
version of internet browser and media player installed on the 
machine. In many cases, the slides will auto-advance once the 
playback for each slide finishes.  In cases where this does 
not work, or where you want to auto-sequence slides without 
audio, you can set a custom timeout value in the
__emphasis slides.js
file
__italics The automatic advance will be based on the number of seconds you specify and will not take into account the varying length of any associated audio files.

Obviously this is of only limited use.  Automatic advance is
based on a set time is 
disabled by the setting 
__emphasis window.advance=0
.

__list_item Slides Without Audio Files
If an individual slide will not have an associated audio recording, set
the 
__emphasis window.audios =
value for that file to point to the empty 
__emphasis audio.htm 
file.


__list_item Playing Audio Files
WebShow does not actually control or launch the associated audio
playback.  It simply tells the web browser to load the audio file.
Therefore, the web browser must know how to associated the audio format
you are attempting to play with a built-in player.  This association is
usually automatically set up when the audio player is installed.

__list_item Stopping Audio During Playback
The 
__emphasis slides.js
file contains an entry specifying

__emphasis window.silence = 'silent.mp3'
This entry must point to
an audio recording of &quot;silence&quot;.  This file is loaded for
audio playback whenever the audio is turned off 
__italics in the midst of playback.
(The only way to stop audio playback is to load a new
audio file to play &quot;silence&quot; When using an audio player which
does not play MP3 files, you will need to make your own short and silent
recording and point this entry to your custom silence file.  (Without
this file, there is no way for the WebShow to stop an audio playback
already-underway.  However, the user can always stop it manually.)
__bullet_end

__footer
