Discussion in "New Ideas regarding projects" started by    Randall    Nov 3, 2008.
Thu Nov 06 2008, 01:58 am
#11
Why use sound control at all ?
there will be a *lot* of background noise.

Why not use radio.. or better yet, wires ?


[ Edited Thu Nov 06 2008, 02:00 am ]
Thu Nov 06 2008, 06:48 am
#12
Well you see I know for a fact that most major animatronic companys use sound controll. My plan is to create a controller that doesnt use a computer, but regardless of what you use your always are syncing the bots to sound. So it makes perfect sense to somehow store the data on the audio file to keep it in sync and to limit the device to one audio player, in my case it would be a mp3 player. Stero audiofiles allow one two tracks to play in sync, one being the audio you hear and the other being the data. DTMF are close to what Im looking for but not applicable for my situation. Im looking into what the other companys like disney use and once I get the anwser Ill let you guys know. Thanks so much for sticking with me. Once I know how the sound stuff works i'll probably will again need your help with putting a system together. Plus I want to get into micro controllers all together

Thanks for Everything
Randall
Fri Nov 07 2008, 05:36 am
#13
So I did some reasearch and it seems that I should look into doing sometype of manchester code. I dont quite yet understand what manchester code is. Do any of you guys know what I'm talking about?
Fri Nov 07 2008, 11:31 am
#14
Randall, I tell you truth, I am new to animatronic

so Just want to ask one question regarding working of animatronic.
Complete system work this way. you have a computer which plays the sound + a software that decompose the sound in activating signals, these signals sent to hardware via wired serial link. and hardware activates the proper pneumatic actuators to make animatronic work.

I hope i am write?
Sat Nov 08 2008, 02:11 am
#15
Manchester code is a way of representing a stream of ones and zeros.

For your scheme you would need two tones that alternate as ones and
zeros are transmitted.
Because of the way it encodes the bits, Manchester code makes it easier
to work out the speed of transmission and to recover the original pattern.

Even so MP3 will compress the tones you record, it may corrupt the stream
too much, especially at higher data rates.

I think DTMF tones may be better for MP3 recording using a variant
of Ajays plan.
A start tone followed by two code tones could give 14*14 values
three tones gives 14*14*14.

For simultaneous events, transmit the codes as a block,
but only execute the codes when all are received.


[ Edited Sat Nov 08 2008, 02:23 am ]

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