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1  Using Arduino / Audio / Re: Suggestion for audio shield/alternative board for percussion musical instrument on: December 04, 2012, 07:33:45 am
Good point. I am thinking that it might be easier to look at developing the controller version first (to trial the idea) before looking at the full fledged instrument design.
2  Using Arduino / Audio / Re: Suggestion for audio shield/alternative board for percussion musical instrument on: December 03, 2012, 11:59:17 am
I have a set of pre-recorded sound samples that I am using. The way I see it, there is a difference between a controller and and a "stand alone" instrument. Using protocols such as MIDI and OSC, data can be sent out of a controller which will leave the actual playing of the sounds to another device (computer, sound module etc.). Conversely, the sound generation could be done using on-board electronics and all a user has to do is connect an audio jack to speakers. It is like the difference between a MIDI controller and a regular electronic keyboard. Of course, you can do both in one instrument.

I am looking for a low cost way of doing an electronic instrument where you can just plug in speakers. For example, I found the Rugged Audio Shield (http://ruggedcircuits.com/html/rugged_audio_shield.html), but unfortunately there aren't any available at the moment. So I am trying to find other options that will do the job.
3  Using Arduino / Audio / Re: Suggestion for audio shield/alternative board for percussion musical instrument on: November 30, 2012, 10:19:32 am
Thanks, I'll check it out the board. I am looking for a standalone solution rather than the ability to connect to an external MIDI module or computer so that the instrument would be self contained with all sounds stored on board.
4  Using Arduino / Audio / Re: Suggestion for audio shield/alternative board for percussion musical instrument on: November 27, 2012, 09:18:17 am
Definitely a shield has to be used. Any suggestions for a good shield that will fit my requirements?
5  Using Arduino / Audio / Suggestion for audio shield/alternative board for percussion musical instrument on: November 27, 2012, 08:40:40 am
Hi,

I am looking for suggestions for an audio shield/alternative board for a simple percussion musical instrument I am designing. There will be 30 or so isolated piezo sensors to detect knocks/strikes. I am thinking of using a Mux shield (http://mayhewlabs.com/products/arduino-mux-shield) to handle all the inputs, and I want to trigger samples (velocity sensitive) through an audio shield with an output 3.5mm jack where I can connect speakers or headphones. Any suggestions for this functionality will be appreciated.

Thanks,
Umesh
6  Forum 2005-2010 (read only) / Interfacing / Re: Sensor suggestion for wand application on: May 10, 2010, 06:42:48 pm
Thanks for your suggestions. I was wondering if these options would allow me to uniquely identify each object. Let me use a more concrete example. Say I had 5 objects - say flat cards. With each card on a table, I wanted to play a different tone when a specific card is whacked (like a crude instrument). The wand is connected to a computer that plays the tone, so that the wand needs to know which specific card is whacked. The whack trigger can come from a force sensor in the wand itself, but the wand needs to know which tone to play i.e. by identifying the card and looking up the mapping from card id to tone.
7  Forum 2005-2010 (read only) / Interfacing / Sensor suggestion for wand application on: May 09, 2010, 11:12:15 pm
Hi,

I am envisioning an interaction project where I would like to have a hand held wand that can be used to whack surfaces or objects. I would like the wand to be able to identify what is being whacked and then give some appropriate output, for example playing a sound.

I was trying to think about what sensors would be appropriate for the wand and what to use to make the objects/surfaces identifiable with an adequate response rate. I was investigating RFID with a reader in the wand and tags in the objects, but it seems that it might be too slow. I am looking for the fastest response rate possible.

Any other suggestions?

Thanks,
Umesh
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