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You are here: MacNN Forums > Hardware - Troubleshooting and Discussion > Hardware Hacking > iTunes Digital Media Server™

iTunes Digital Media Server™
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Mac Elite
Join Date: Oct 1999
Location: Bloomington, IN, USA
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Jan 21, 2001, 12:30 AM
 
Ok, Guys & Gals, I propose the iTunes Digital Media Server™ (hehe, so I can't trademark it). Depending on funds and hardware availability, I may or may not try to build one of these.

The point of this device is to be able to serve Internet radio and MP3s (I'd only go for high-Q MP3s, but it's up to you). The primary point is that you'd integrate this directly with a standard audio system in a rack.

Requirements_______________________________
1. Macintosh (I'd guess a 604 processor or faster)
2. Big hard drive or two (I'd think that you'd want 50GB+, but you could do it with much less if necessary)
3. CD-ROM drive
4. Internet access for Internet Radio and LAN access for serving of MP3s to other computers. 10Mbit Ethernet ought to do the trick of playing a file on the server and playing one remotely from the drive of the server. Of course AirPort could make sense in many circumstances, but I'd prefer wirebased ethernet if available.
5. TV output capability (via box of some sort) for onscreen control and viewing of graphics if you have a powerful enough machine to make it worth it.
6. Remote Control System (this is the toughest to get working exactly as you might like). The Keyspan Digital Media Remote ought to work ok for this though. You could get the remote and have a more intelligent remote (see http://www.remotecentral.com/ ) learn the commands.
7. Timbuktu Pro software for control of the system remotely (could just use keyboard and mouse)
8. Decent minijack-to-RCA output for receiver or pre-amp connection or USB/FireWire more professional grade output.
9. Case. I'd think that you'd want to modify the case to at least incorporate the IR sensor directly into the unit.
10. APC Line-R or Back-UPS Pro/Smart-UPS (come on, you don't want to screw this up after getting it all set!). Make sure to have Ethernet Surge Protection and all other paths in (it only takes one).

If you want to get really fancy, you could have an audio system with whole house capability. We could do a ton of different things here to make it work however we'd want!

There are a great deal of things that could be done here. I think that if you get the right used system that this could be very cheap, or you could go all out and make this a beast. What do you all think?

_______________________________________
Ok, here's an example (could be cheaper or more expensive):

• Starting with a new $730 iMac DV 400MHz 64MB/10GB. The system will be run off of the 10GB Drive
• Adding 256MB of RAM to move up to 320MB RAM using one $149 Guru 256MB RAM module.
• Include a $375 80GB Maxtor FireWire Hard Drive for media storage.
• Hook up a $139 i•TView DV to display the video on the TV screen. This product will support "resolutions from 640x480 to 1024x768 at frequencies up to 152Hz and all iMac DV resolutions and frequencies". (you pick the video cable you want. I'd go with S-Video from Tributaries or Straight Wire).
• Install $140 Timbuktu Pro for Mac (2-pack) to control the machine remotely.
• Use Keyspan's Media Remote Control $79 for remote operation (perhaps there's somethine better).
• Use an $80 APC Line-R 600 Line Conditioner to keep voltage regulated, etc. And use APC's PNET4 at the Ethernet switch for Ethernet surge protection. In addition to all of this, we will assume that all equipment in the system is protected from power problems.
• Use a Straight Wire MiniJack to Male RCA cable (perhaps could use some other USB device) for ~$40
• As for the case, that's still up in the air in my mind, but a PowerMac 6100 case might fit properly, but probably the best bet would be to add a 17" brushed metal plate in the front with holes where they are needed.

I hope you like this potential iTunes Digital Media Server™ (hehe). What do you all think. Build a better one than this!

------------------
Computer Equipment: http://www.schalliol.com/computer.html
AOL IM: JSchalliol

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Jan 21, 2001, 09:42 PM
 
Woah! You've basically typed out my plans for what my 7500 will be doing once I get a G4 tower. The 45 gig HD is on the way, so I'll soon start ripping my entire CD collection (and hoping for a magic solution to the audio stutter from on MP3s played from IDE drives on 1st gen PCI powermacs issue). With the audio out, it will hook directly to my stereo. The XClaimVR card will provide video out to the TV. Keyspan wireless remote to control it, iTunes to make the sounds and mesmerizing pictures too.

When not listening to it on my stereo, 100B ethernet and file sharing will allow the rest of my macs to get any tune directly. I've got DSL and a static IP to get the tunes whereever I get net.

The video in ports, my X-10 wireless video camera and a webcam app can keep my webpage updated with timed photos. X-10 could then be programmed for any of those neato automatic things one can do with it, but I don't have any transciever thingies yet. Retrospect and clients to backup my macs, since just serving MP3s is not enough of a full time job to keep my 7500 occupied. If it's gonna use up electricty, it might as well earn it's keep in as many ways as possible!

Don't forget the Sophisticated Circuits PowerKey to restart it in the event of a crash.

I prefer mine b/c it can do more than yours, (audio out, video in), fits in a stereo rack, has more features in a single box (no external iView for video out) and costs less. I think your 320 megs RAM is overkill. 64 would do, but 128 would add stability.

BTW, you're paying way too much for RAM- I just bought 256 meg PC 100s for $88 ea. www.memorytogo.com. But I like how you think!
     
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Jan 22, 2001, 01:46 PM
 
Bah, I've been doing this for two years! I had a 40 GB drive in my iMac whose sole purpose was to play MP3s (the scan converters were no good for watching DVDs, and I had no other use for the iMac). So it sat there and played its tunes... I've since sold the iMac and have a 120 GB RAID in my G4 instead (about 60 GB of MP3s). My PowerBook now sits there and functions as the MP3 player, accessing the G4 for the songs (on 100 Base-T I notice no performance difference when using the G4).

The one thing I *wish* they had was an RF remote for Macs... the DMR, which I use, is IR, so that's no good if you're in another room. RF remotes are pricey... some $90 for a Bose replacement, but if you figure the DMR is $50, and take into account that anything with the Bose logo costs way too much (just because), I'm sure Keyspan could make an RF remote for $100.

Time to email my contact over there...
     
Mac Elite
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Jan 22, 2001, 02:51 PM
 
The big deal is making it operate in a AV rack environment. Of course you can just use a standad iMac, but I want it to look and work like a regular audio component.

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Jan 22, 2001, 10:20 PM
 
I wish I had the disposable income to dedicate an iMac and a 40 gig drive just to playing MP3s!

Guy who's using a 7500 for his daily "mac-ing",
Yuri.
     
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Jan 23, 2001, 07:57 AM
 
Hey- Just had this idea overnight: Anyone know of a LED or LCD display that could be combined with a mac and used to list the data tags on the MP3? That way, you could mount the player in the rack, and see what was being played.....
     
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Jan 23, 2001, 10:23 AM
 
That's what I was thinking too. It would be really cool to have a standard LCD display that is used, but I think it would be really hard to use a consumer LCD panel with a line or two of text. I wonder if there's a small dot-matrix LCD panel that could display a portion of a 640x480 display. Perhaps it would just display 100dots by 200dots around the area where it shows the song titles and spectrum analizer.

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