[4732] in java-interest
Re: Java & Realtime audio?
daemon@ATHENA.MIT.EDU (Jayson Raymond)
Thu Jan 11 17:59:57 1996
To: Arthur van Hoff <Arthur.Vanhoff@Eng.Sun.COM>,
"Daniel R. Kegel" <dank@alumni.caltech.edu>
Date: Thu, 11 Jan 96 13:35:27 -0500
From: Jayson Raymond <jraymond@connectsoft.com>
Cc: "java-interest@java.Eng.Sun.COM" <java-interest@java.Eng.Sun.COM>
-- [ From: Jayson Raymond * EMC.Ver #b.2.5.06 ] --
Arthur -
Can you address how the joint agreement between Sun, SGI & Macromedia may
effect this, since <http://www.macromedia.com/Industry/Macro/Press/1995/web.
definition.html> states:
---
SAN FRANCISCO, Calif. (Dec. 4, 1995) - Sun Microsystems, Inc. (NASDAQ:SUNW),
Silicon Graphics, Inc. (NYSE:SGI), and Macromedia, Inc. (NASDAQ:MACR)
today announced that they have agreed to work together to jointly define a
new set of open multimedia formats and application programming interfaces
(APIs) to extend Sun Microsystems's Java(TM) programming language.
The companies believe that the new formats and APIs will enhance Java's
capabilities for providing animation and interactivity, especially in the
area of 3D rendering and multimedia over the Internet or corporate networks.
These technologies will enable capabilities such as the integration and real
-time streaming of audio, video and 3D; spatialized audio; and video
conferencing. The open specification is planned for publication during the
first half of calendar 1996.
---
If Macromedia is not bringing X-platform realtime streaming audio to the
table, what are they bringing? I recognize the vagueness with which these
press releases are written is intentional, however I guess I wrongly assumed
this agreement would provide the low-level media types that Java is sorely
missing.
--Jayson
-------- REPLY, Original message follows --------
Date: Tuesday, 09-Jan-96 10:36 AM
From: Arthur van Hoff \ Internet: (arthur.vanhoff@eng.sun.com)
To: Daniel R. Kegel \ Internet: (dank@alumni.caltech.edu)
cc: java-interest@java.Eng.Sun.COM \ Internet:
(java-interest@java.eng.sun.com)
Subject: Re: Java & Realtime audio?
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Hi Daniel,
> I'm looking for ways to deliver semi-realtime audio via the
> Web. Realaudio would be fine but for its steep pricetag
> of $150/stream. I was excited to find the source for a very interesting
> realtime audio player in http://java.sun.com/people/avh/audiotricks.html,
> but I read in comp.lang.java various complaints about sound support
> in Netscape Java being horribly broken, even for .au format data.
> Sounds like audio isn't a priority for whoever's doing the Java
> runtime.
>
> Also, uncompressed audio would kill me- I need a way to get
> strong compression. Realaudio supports this; java's standard library
> doesn't touch it.
>
> Is there hope for semirealtime audio in Java? Or are we all doomed to
have
> to purchase RealAudio servers to give our users reasonable
> realtime audio?
The audio APIs in are very limited because we did not have time to design a
reasonable API that could support many audio formats and platforms. As a
result you can't do streaming audio using the applet API.
However, take a look at sun.audio in the JDK. It contains the same classes
as the alpha3 HotJava release and it will let you do a lot more audio tricks
, but it won't work in Netscape.
We want to hire a multi media engineer to fix all this stuff. Please contact
pearl@eng.sun.com if you are looking for a job in California!
Have fun,
Arthur van Hoff
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