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Voice Chat Planning
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zitch
Cubbie


Joined: 04 Feb 2008
Posts: 306


Location: Louisiana, USA

PostPosted: Wed Jan 13, 2010 10:41 pm    Post subject: Voice Chat Planning  Reply with quote

Hi all,

Looks like I'll probably be handling voice chat again this year.  I don't have any definite plans setup yet except for the following:

- Setup a voice server that will allow a couple dozen connections in.
- Setup a shoutcast server where the voice server output will be dumped into.

My current plan is to setup a Teamspeak 3 server (as it's finally out in open beta!) and setup the Shoutcast server on my linux server at home, then setup the Teamspeak -> Shoutcast bridge on my desktop.  My linux laptop will be my primary way of chatting (though it would be extra cool if a teamspeak 3 client comes out on the iPhone...  Doubt Apple and AT&T will allow this though... Wink ).

According to the FAQ, the unregistered server will allow up to 32 "slots".  Assuming that one slot will be taken up by the shoutcast bridge, this will give us 31 people able to connect and talk.  That should be plenty given the number of people who connected last year.  I have a 50 Mbps symmetrical connection available to me, so bandwidth shouldn't be a problem here unless a huge number of shoutcast users sign in.  If we are anticipating more than, say 300 shoutcast listeners at once, we may have to look into moving the shoutcast server outside my network.

For text chat, I'd rather we use the chatango tool; In fact, we will have to look into adding a shoutcast flash client next to the text chat.  

As I'll add connection details here when I test a few things and open up some ports.  If anybody has any questions or comments, feel free to make them.
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zitch
Cubbie


Joined: 04 Feb 2008
Posts: 306


Location: Louisiana, USA

PostPosted: Thu Jan 14, 2010 5:06 pm    Post subject: Reply with quote

An update: I have a Teamspeak 3 server up and running at the following connection:

Address: rakushun.nickistre.net
port: 9987

You just need a Nickname and no password is necessary.

Jsut so you know, this will not work with the old Teamspeak 2 client. áYou can download the Teamspeak 3 client here. áIt was rather easy to setup on Windows 7 and on my Linux laptop; I'd think the Mac OS X setup would be just as simple.

I'll be working on the shoutcast server tonight or this weekend.
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gleowine
Ekusun Tsukinoe


Joined: 14 Apr 2008
Posts: 415


Location: Louisiana

PostPosted: Thu Jan 14, 2010 10:09 pm    Post subject: Reply with quote

I downloaded the Mac version. The main problem I encountered is the setting for push-to-talk, which limits your choices to ESCAPE key only. Not good if I'm used to using that key a lot. So I just set it to voice activation for now. Waiting for Zitch to setup the server to test the connection.

EDIT: Tried but couldn't get a connection to the server.
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gleowine
Ekusun Tsukinoe


Joined: 14 Apr 2008
Posts: 415


Location: Louisiana

PostPosted: Thu Jan 14, 2010 11:01 pm    Post subject: Reply with quote

TEAMSPEAK 3 FOR MAC

I resolved the connect issue by setting my router's firewall to LOW. It connected perfectly then.

Re:Push-to-talk. I couldn't use CAPS-LOCK, so I used TAB instead. ESC is just too error prone.

No problems downloading and installing. For Mac, it downloads a Disk Image. Just open that, and the program is right there to use. Once you open it, you need to select "Keep in Dock" and/or move it to the Applications folder. The first time you start it, it will run a setup wizard (which you can access later through the Tools menu). Very simple process to setting up, just be sure to read the on-screen instructions, which aren't too lengthy. Once setup, go to Connection menu, or press COMMAND-S, then type in the server name or copy/paste it from Zitch's post to be safe. The port number is 9987 by default. Then just click Connect and you're there.

One last note. You might want to go to Notifications in the Preferences and select "Sounds deactivated" under "Sound Pack". Otherwise, you'll get an ear-full of notifications everytime you do something.
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zitch
Cubbie


Joined: 04 Feb 2008
Posts: 306


Location: Louisiana, USA

PostPosted: Fri Jan 15, 2010 4:18 am    Post subject: Reply with quote

Well, as my cursing out in the chat below may tell you, I'm having some problems getting the Teamspeak -> Shoutcast bridge to work. áThe drivers for my sound card do not have a "Stereo Mix" recording option, which is basically "record what you hear". áThough I may have attacked the wrong target; rumors are that the RIAA went around to different manufacturers and asked that this option be turned off so that people can simply record web-streams using it. áAnd many of them complied. áA giant middle finger to the lot of them.

So, I'll have to go the Line Out -> Line In method using a 1/8" stereo headphone to 1/8" stereo headphone method.

So for now, I do have a shoutcast server that is accessible at the following url:

http://rakushun.nickistre.net:8000/listen.pls

I can't guarantee anything running at the moment, though I may be playing music or chatting through it at random.

If you get lucky and manage to catch me either on catango below or on the teamspeak server, I might do song requests (I.E., it would be a good way to test).
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zitch
Cubbie


Joined: 04 Feb 2008
Posts: 306


Location: Louisiana, USA

PostPosted: Fri Jan 15, 2010 7:27 pm    Post subject: Reply with quote

Just running some numbers right now:

I have a 50 Megabits/second out and in connection.

I currently have teamspeak setup to use 5.0 KiloBytes per second.  32 channels all used will have a total bandwidth of 1.25 Megabits/second.  This gives me 48.75 Megabits/second to work with for Shoutcast.

If I use a 48 kilobits/second stream, the connection can handle up to 1040 listeners.
If I use a 64 kilobits/second stream, the conneciton can handle up to 780 listeners.
For 96 kilobits/second - 520 listeners
For 128 kilobits/second - 390 listeners
For 160 kilobits/second - 312 listeners
For 192 kilobits/second - 260 listeners

I am probably going to use a 48 (or maybe even 64) kbps AAC+ mono stream, as that won't be much higher than the stream used for Teamspeak and any higher won't really have any improvement in quality.

Now to get this damned teamspeak->shoutcast bridge working.
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zitch
Cubbie


Joined: 04 Feb 2008
Posts: 306


Location: Louisiana, USA

PostPosted: Sat Jan 16, 2010 3:51 am    Post subject: Reply with quote

Success! áPatched the output from the Linux server, where I have both the TEamspeak Server and a Teamspeak client running, to the line in port of my Windows 7 Desktop which, using the Shoucast broadcast source in winAMP, converts it into a shoutcast stream, sends it to the Shoutcast server on the Linux server, which then relays it to any connected listeners.

There is around a 30-second delay from when someone says something on Teamspeak to when it plays out on the Shoutcast stream, but that's not really a problem (Except for those doing text chat may be responding to voice chat that is 30 seconds old). áThere's also a bit of line-noise on the shoutcast stream (basically, electrical interference picked up by the line-out to line-in wire from the computers) áStill, this is better than nothing.

Again, the connection data:

Shoutcast Server: http://rakushun.nickistre.net:8000/listen.pls


Teamspeak 3 Server:

Address: rakushun.nickistre.net
port: 9987


I may refine the setup a bit more (hopefully, to reduce line-noise and any possible clipping issues, and maybe to reduce the shoutcast stream delay some), but so far, so good.  

Also need to find a good Flash-based Shoutcast client to embed on the site!
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zitch
Cubbie


Joined: 04 Feb 2008
Posts: 306


Location: Louisiana, USA

PostPosted: Sat Jan 16, 2010 4:57 am    Post subject: Reply with quote

Just an update, but there are apparently no Flash-based Shoutcast players that can handle an AAC stream. áUnfortunate, as it's much better quality than Mp3, but I'll move it to an 64 kbps MP3 stream instead. áI'll experiment with quality later (I.E., I may up the bitrate).

For a Flash-based player, one possibility is the free version of Minicaster: http://www.draftlight.net/dnex/mp3player/minicaster/free/

One other thing: If the server is streaming, áit is also sometimes listed and available on the Shoutcast directory if you search under "Shinkai": http://www.shoutcast.com/Internet-Radio/shinkai

There's a Flash player available there too, that could be setup as a widget on a site.

If the server goes down or if I shut off the source broadcast, it gets delisted from Shoutcast and takes several minutes to get re-listed when I start it back up.


Last edited by zitch on Sat Jan 16, 2010 8:46 pm; edited 1 time in total
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gleowine
Ekusun Tsukinoe


Joined: 14 Apr 2008
Posts: 415


Location: Louisiana

PostPosted: Sat Jan 16, 2010 6:06 pm    Post subject: Reply with quote

Just a thought, but if you could run the audio through a mixer before sending it back to the server, you might be able to filter out some of the noise. I'm talking off the top of my head, so feel free to point out the flaws in my reasoning.
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zitch
Cubbie


Joined: 04 Feb 2008
Posts: 306


Location: Louisiana, USA

PostPosted: Sun Jan 17, 2010 4:01 am    Post subject: Reply with quote

As per the Chatango log, I am dropping the WinAMP + Shoutcast DSP source because of stability issues and that the program seems to refuse to save the settings I tell it to use (like, doing MP3 stream instead of AAC+ stream...).

I've tried out SimpleCast for a bit (very easy to use, very slick looking, can report and graph number of listeners on the server) until I saw its $139 price tage.

I've now settled on EdCast.  Though it's not as nice or featured looking as SimpleCast, it is free, it is stable (for now), and it actually save the connection settings I set.  I'll be running it all night; you can connect to the stream, but there won't be much other than low-level static for the most part.  

What's nice is the delay is now down to around 5 seconds, which is much better for a live broadcast setup like this!

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