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#1
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Are there any CD players with a trigger input?
Okay, this might be a long post, but please bare with me.
Our church as a Maas-Rowe carrilon. To anybody who doesn't know what this is, basically, it's a jukebox on a timer that plays music through an outdoor loudspeaker at programmed times. You can program this machine to play one or as many songs as you want and when it is done, will shut itself off and wait for the next time the timer tells the program to operate. It counts the songs played by listening to an almost inaudible buzz after each song. When it hears this buzz, (probably about 5K hertz) it counts that as one song. THE BUZZ IS IMPORTANT FOR THIS MACHINE TO COUNT, and without it, will not work. This instrument is about 20 years old and the music is stored on 8- track tapes and is played with a rack mounted 8 track player. While it originally came with about 12-15 tapes, they are now all dragging and are wore out. (Yes, the head has been cleaned and it has a good belt) Maas-Rowe does not make any more 8 tracks because they want you to upgrade your machine to CDs, at a cost of $8K to $15K. With that info being stated, can anybody here point me to a rack mounted (not a necessity) CD player that has some sort of triggering device to play? I plan on recording the 5K buzz after each song on the recordable CDs so that the machine can still function as it does now. And if need be, I'll make a 555 timer circuit to start the player each time, but I'm just curious if there is a CD player already on the market that is a little more plug-and-playish that I can use. All advice is welcome. TIA. |
#2
Posted to rec.audio.tech
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Are there any CD players with a trigger input?
"Kruse" wrote in message ... Okay, this might be a long post, but please bare with me. Our church as a Maas-Rowe carrilon. To anybody who doesn't know what this is, basically, it's a jukebox on a timer that plays music through an outdoor loudspeaker at programmed times. You can program this machine to play one or as many songs as you want and when it is done, will shut itself off and wait for the next time the timer tells the program to operate. It counts the songs played by listening to an almost inaudible buzz after each song. When it hears this buzz, (probably about 5K hertz) it counts that as one song. THE BUZZ IS IMPORTANT FOR THIS MACHINE TO COUNT, and without it, will not work. This instrument is about 20 years old and the music is stored on 8- track tapes and is played with a rack mounted 8 track player. While it originally came with about 12-15 tapes, they are now all dragging and are wore out. (Yes, the head has been cleaned and it has a good belt) Maas-Rowe does not make any more 8 tracks because they want you to upgrade your machine to CDs, at a cost of $8K to $15K. With that info being stated, can anybody here point me to a rack mounted (not a necessity) CD player that has some sort of triggering device to play? I plan on recording the 5K buzz after each song on the recordable CDs so that the machine can still function as it does now. And if need be, I'll make a 555 timer circuit to start the player each time, but I'm just curious if there is a CD player already on the market that is a little more plug-and-playish that I can use. All advice is welcome. TIA. Why not use a cheap computer/sound card solution, and simply feed the output into the Carrilons amplifier, and forget the rest. It would be simple to program the computer to play what you want and when. MrT. |
#3
Posted to rec.audio.tech
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Are there any CD players with a trigger input?
"Mr.T" wrote ...
Why not use a cheap computer/sound card solution, and simply feed the output into the Carrilons amplifier, and forget the rest. It would be simple to program the computer to play what you want and when. Indeed. The oldest, slowest, most decrepit PC you can find would be far more capable than what you are using now. Or you could use a triggered MP3 player like this one.. http://www.sparkfun.com/commerce/pro...oducts_id=9356 |
#4
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Are there any CD players with a trigger input?
On Dec 7, 2:55*am, "Richard Crowley" wrote:
"Mr.T" *wrote ... Why not use a cheap computer/sound card solution, and simply feed the output into the Carrilons amplifier, and forget the rest. It would be simple to program the computer to play what you want and when. Indeed. The oldest, slowest, most decrepit PC you can find would be far more capable than what you are using now. *Or you could use a triggered MP3 player like this one..http://www.sparkfun.com/commerce/pro...oducts_id=9356 Thanks guys. That's exactly what I want. In my head, I guess I was stuck in CD-land because I had already burned a few CDs with the "buzz" behind it just to prove that it would work. This is the the way to go. |
#5
Posted to rec.audio.tech
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Are there any CD players with a trigger input?
"Kruse" wrote in message
Okay, this might be a long post, but please bare with me. Our church as a Maas-Rowe carrilon. To anybody who doesn't know what this is, basically, it's a jukebox on a timer that plays music through an outdoor loudspeaker at programmed times. You can program this machine to play one or as many songs as you want and when it is done, will shut itself off and wait for the next time the timer tells the program to operate. It counts the songs played by listening to an almost inaudible buzz after each song. When it hears this buzz, (probably about 5K hertz) it counts that as one song. THE BUZZ IS IMPORTANT FOR THIS MACHINE TO COUNT, and without it, will not work. This instrument is about 20 years old and the music is stored on 8- track tapes and is played with a rack mounted 8 track player. While it originally came with about 12-15 tapes, they are now all dragging and are wore out. (Yes, the head has been cleaned and it has a good belt) Maas-Rowe does not make any more 8 tracks because they want you to upgrade your machine to CDs, at a cost of $8K to $15K. As was already pointed out, a comptuter can replace the specialized hardware of a carrilon. Here is an example of software that was written for the purpose: http://www.topshareware.com/ChurchBe...nload-3125.htm We've got a Carrilon that was implemented as specialized hardware, too. The basic bell sounds are stored in the dedicated logic unit. Interestingly enough, the least reliable part of the system has been the SR equipment. The logic unit's analog output is mic level, and the system came with a small PA amp. A Bogen or a Toa or something like that. The PA amp fried its power amp section, which was replaced with a mono amp. Later on that fried, and that function is now replaced by one channel a Behringer A500. The preamp section of the PA amp fried later on, and that is now a little Behringer mixer. We're thinking of replacing it, not because it is broken but because we have to keep it set for correct time. If we replace it with a PC that is on the web, the PC will automatically set its time to the web, and that will solve our (less pressing) problem. I've been working to wire the outlying parts of our church for networking, which will enable this change. |
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