Free workaround for listening to server audio from client

Dean Shaw dshaw "at" webtec.net.au
Fri, 31 Aug 2001 06:15:02 +0000


Is there anything to push the sound from a Win VNC to a WinCE VNC?
Dean

----- Original Message -----
From: "Rasmus Emil Mxller" <AER "at" topdanmark.dk>
To: <vnc-list "at" uk.research.att.com>
Sent: Friday, August 31, 2001 12:22 AM
Subject: Free workaround for listening to server audio from client


> Hello list,
>
> Slightly off topic, but... in the past there has been quite a few
questions
> about how to push the sound as well as the desktop to the client.
>
> I have found a way to push the sound from a Windows NT/9x box (with the
VNC
> server) to one or more Windows NT/9x/Linux/Unix clients.
>
> On the WinVNC server machine I first install Virtual Audio Cable from
>
> http://www.ntonyx.com/vac.html
>
> - the free demo version is sufficient. It installs a virtual sound card
> with automatic loopback - i.e. all sound played to the virtual sound card
> output channel is immediately available on the input channel. A physical
> sound card is not necessary - if you have a physical sound card, you may
> have to check the Multimedia settings from the Control Panel to see which
> card is default for input/output.
>
> So now we just need a program to capture the sound input and send it to
the
> clients. I tried Speak Freely, which is free, open source and available
for
> Windows (http://www.speakfreely.org), Unix (
> http://www.fourmilab.ch/speakfree/unix/) and Linux (
> http://www.germane-software.com/SpeakFreely/). Win source code link:
> http://www.fourmilab.ch/speakfree/windows/speakfs.zip
>
> Speak Freely needs no installation, just copy the files. There are many
> settings and possibilities.
>
> It uses UDP, and you can specify the port.
>
> It uses its native protocol or RTP or VAT.
>
> It offers many different compression schemes - the most efficient in terms
> of bandwidth requires 800 bytes/second. Watch out for CPU usage.
>
> It offers multicast - I didn't try it, probably works fine.
>
> It offers broadcast - which in Speak Freely terms means unicast the same
> audio to each connected client.
>
> It offers voice activation to send automatically when there is sound - I
> used "Fast".
>
> It offers a number of encryption schemes - watch out for CPU usage.
>
>
> Feel free to address me, if you have questions.
>
>
>
> Cordiali saluti
>
> Rasmus E. Mxller
>
> IT Systemprogrammering PC
>
> Topdanmark
>
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