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答覆:架設網路電台-如何建置

Tags:14

DNS , 電視 , LINUX , set , 作業系統 , 下載 , 軟體 , 伺服 , 上傳 , 主機 , 客戶 , web , 程式 , 網路 ,

如何架設個人廣播電台：如何架設一個網路電台(網路廣播電台、網路電視台)

回覆客戶的洽詢: Web Radio

架設網路電台
原理、軟體、規劃考量、系統需求

網路電台廣播的方式
網路廣播分兩部分：Server端跟DJ端，聲音從DJ端的程式壓縮成你要的形式之後送到Server端，client們再連上server端聽廣播。

以下是免費又好用的軟體：
網路電台-軟體下載
網路電台DJ端 Winamp
網路電台 Plug-in SHOUTcast Winamp DSP Plug-in
網路電台server端 SHOUTcast Server
收聽方式 http://Your IP:port

網路電台-規劃考量
網路電台server
網路電台DJ
網路電台收聽點
伺服主機與作業系統
多媒體週邊

Requirements:
主要問題是頻寬：多人收聽，頻寬要大。
一般mp3 192kbs，播放給12人收聽，要2條T1線(2.4Mbps)。
以麥克風40kbs傳聲播放，30人收聽，需要1MB頻寬(上傳)。

If you want to broadcast to listeners, you'll need:

作業系統、記憶體的需求與DNS
* 90Mhz or faster server, running one of Windows 95, 98, NT, 2000, ME, Mac OS X, Sparc Solaris 2.7+, FreeBSD 4.x+, or Linux with a libc6 kernel.

* 14kB of memory for every listener you want to broadcast to (i.e. 1,000 listeners means you need 14 Megabytes of RAM), plus whatever your operating system needs for overhead, plus 1.5MB for the server's base requirements. Don't set the listener count higher than you need, it just screws things up.

* Enough bandwidth to run the server. If you want to broadcast to 100 listeners at 24kbps, you'll need about 24kbps*100 = 2,400kbps = 2.4Mbps of bandwidth. That's about 2 T1 lines worth of bandwidth. Trying to push 100 128kbps listeners down your 768kbps cable modem isn't going to work :)

* If you want people on the internet to be able to hear you, you also need a clear connection to the internet. No firewalls, NAT devices, web caches at the ISP, proxy servers, or internet sharing devices. In some cases you can make a workaround but if you intend to provide a quality streaming service you have to invest in a quality connection. Naturally, if you just want to run a private server locally on a LAN, you don't need this at all.

* If you want to list this server on the SHOUTcast directory, you will need a working DNS server configured as well. You can verify DNS is working by pinging www.yahoo.com, or pulling up a web browser and visiting www.shoutcast.com. Note that you can't ping www.shoutcast.com, because AOL blocks ICMP traffic.

* A broadcast source. This is usually in the form of a computer running Winamp (can be the same computer running the DNAS), and the SHOUTcast Source Plugin. This is available in the I wanna be a DJ section on SHOUTcast.com.

If you don't have some/any of the above, you can still broadcast a station, but you'll have to pay someone for the privelege of hosting a SHOUTcast serverfor you, and you won't need this piece of software. To find good providers,visit the SHOUTcast forums on www.shoutcast.com and hear what others sayabout the growing number of streaming audio providers.