Streaming Audio

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pozy

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I have a web site and I would like to broadcast live or delayed scanner traffic over it. I was wondering why type of scanner do I need and what is the software package that I need. Thanks Richard
 

tspainiv

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You can go about it a couple of different ways. You can use Windows Media Encoder which is what I use, or others like, Winamp ShoutCast, or Icecast, or Simplecast. Use this link as a starter. If you have anyother questions, just ask.

Tampa Bay radio page
http://www.knology.net/~res0plht/Mi01000.htm

Scan CapeCod
http://scancapecod.us/modules/tinycontent/index.php?id=16

You also need a scanner with a headphone jack or ext. speaker jack. A sound card that has a line in or mic input, and a broadband internet connection. It wont stream very well with dial up, if at all.
 

Al42

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tspainiv said:
You can go about it a couple of different ways. You can use Windows Media Encoder which is what I use, or others like, Winamp ShoutCast, or Icecast
... which is the cheapest (free) way if you want to include metadata (that's the channel or talk greoup name being sent along with the audio). I'm working on a program to send Uniden (246 or 396) data to Icecast2. It works, but the TG data is hard-coded at the moment.

Check out my stream with Winamp.
 

Dubbin

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Al42 said:
... which is the cheapest (free) way if you want to include metadata (that's the channel or talk greoup name being sent along with the audio).
Windows Media Encoder and and some free web space is they way to do it. If I remember right WME eats up your resources so much that you can't really use the computer for anything else. For this to work you will need a computer controllable radio.
 
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Andy128

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Radio streaming

I just set mine up and use Windows Media Encoder. If you have limited band width- you may want to try shoutcast.

http://www.shoutcast.com/

You first and foremost need to decide how many people will be hooking up to
listen to your feed. Are you doing it for a small group of friends and family or
as community service? If just for a small group (30 or under), WME would work just fine (**after the upgrade). More than that- I would use shoutcast.

Currently, comcast in my area (Detroit Michigan) has a 4mb download and 350kb upload limits. If you leave yourself 100kb for surfing the net, this would leave you with 250 kb for your feed. Broadcasting at 19kb/sec would allow you to have about 12 people safely log on at the same time to listen to your feed and still allow you to surf the net or write a term paper. Playing graphic intensive games might not work streaming at full capacity.

If you were to pay for a seperate comcast line and stream over a seperate
dedicated computer- you could have about 16 people on at any given time.

Comcast is supposed to be applying an upgrade which will give everyone
a 768kb upload bandwidth. So for the two instances above you could have
approx. 32 and 40 sign on's respectively. Shoutcast can handle about 50 if I am not mistaken.

It is relatively simple to set up. Once you decide what you want to do- post back and we'll be happy to assist.

Andy
 
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Al42

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Metadata Generator

I've just put up my metadata generator for download. It's at http://www.webdingers.com/metagenerator.zip. It'll read the serial port on a BC246T or a BC396T and send metadata to an Icecast2 server. It's sort of serproxy and monitor in one for Uniden's dynamic memory scanners.

Icecast, Winamp and oddcast are all free, and don't take up much in the way of resources. (Winamp runs around 10%, Icecast runs between 0% and 2% and the metadata generator sits at 0%-3% most of the time.)
 

tspainiv

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Dubbin said:
Windows Media Encoder and and some free web space is they way to do it. If I remember right WME eats up your resources so much that you can't really use the computer for anything else. For this to work you will need a computer controllable radio.

That's weird. WME on my machine doesnt use much resources at all. Doesn't slow anything down or make it longer to upload files. My comp isn't that new either. (About 3-4 years old). But then again, there are only like 3 people max at one time that listen to my feed!! lol. I have room for more though. Right now my connection is up to 384kbps. Hopefully Bellsouth will increase this in the future.
 

SlipNutz15

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I use Windows Media Encoder for my scanner feed. I changed the registry of the free version to allow 10 listeners from the standard 5. Voice quality is all you need and you can run it at 16 or 8kbps and there is only a slight change in quality but it's still readable. If you have any questions about setting up the scanner to the computer and/or the WME software itself, PM or IM me or just reply and we'll get you on your way.
 

Dubbin

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tspainiv said:
That's weird. WME on my machine doesnt use much resources at all. Doesn't slow anything down or make it longer to upload files.
Then I guess I didn't remember right. Maybe is was a scanner program that I was thinking of. Oh well I guess it doesn't really matter.
 
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Andy128

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slipnutz15,

WME is the way to go. It is very easy and with the comcast upgrade comming soon, I will be able to have nearly 30 people on at a time.

By the way- on the out put side, does it broadcast out of both your speakers or only one? Mine is mono and only out the left speaker. Stero would be nice. Is it possible.

Andy
 

SlipNutz15

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I have it only do mono out because it's voice quality. You can broadcast in stereo but most scanners don't have a stereo outputs... I've bumped my max listeners to 20.
 

SlipNutz15

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yes, i'm streaming 8kpbs for 20 connections. I have about 525kbps down and 128 up? Crappy but it's a local CATV service not like adelphia that has money
 

Andy128

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Given a 128 upload divided by 8kbs would give you a max of 16. Keep in mind that you need some kbs for the two to communicate to each other and you are left with slightly less than 16. Have you had 20 connections at time?
I only make mention as I would hate to see an error/damage/crash problems.

I don't know much as I am starting anew in this- but that is the information
that was passed to me regarding number of potential connections vs. avaliable bandwidth.

Andy
 

SlipNutz15

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No I've only had about a max of 10 connected so far. I'm not worried about anything crashing because I have a big network and the only thing that is holding it back is the modem and nothing is properly configured so all my UL/DL #s are off some
 

ffexpCP

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I use WME. I am using a decicated computer for it. The only problem is the computer is too old to keep up with encoding. It runs for about a day then the program needs to be closed and restarted.
 
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