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Old 06-17-2011, 02:16 AM   #1 (permalink)
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Default Beginner - Simple Music Sequencer.

Hello All,

To start off, yes, I am still a noobie. Bare with me
I am looking into developing music apps on the iPhone platform, and I thought the first project I would tackle is making a simple sequencer (no crazy graphics...just switches laid out on a matrix with drum sounds).

Upon research, I have come across various methods which can produce "music" on the iPhone.
It seems like some people use openFrameworks library to do most of their coding.
Others simply utilize Core Audio that apple provides(AudioQueues,OpenAL,etc)
I am sure there are dozens of other ways out there.

Right now, I am overwhelmed by the what seems like an infinite possibility.
I would like to get your inputs on where to get started on this endeavor.
Perhaps links to tutorials/reading materials would be nice.
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Old 06-20-2011, 12:20 PM   #2 (permalink)
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I'm not sure why there aren't any replies.
Perhaps it's because audio apps are hard to get into(Requires a lot of knowledge on signal processing and such...I found this quote the other day on someone's blog: " 'Easy' and 'CoreAudio' can’t be used in the same sentence" )

But for reals, I have been going around various websites/blogs the last week or so to wrap my head around this whole audio thing. Is there anyone who has made a sequencer-type app here? If so, I'd be great if they can share some insights on the matter.

Thanks a ton!
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Old 06-20-2011, 03:41 PM   #3 (permalink)
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Are you looking to create your own synthesizer (ie the app itself is actually creating the sound itself in a true sense)?

If so I found this link a while back when I was looking into something similar, though I haven't started the project yet that would involve these techniques.

Sound Synthesis on the iPhone – Hollance: Freelance iPhone + iPad Development

If you are looking to just play sounds at the press of a button, there are some very simple ways to do so. Just look up "AVAudioPlayer" in the ios documentation.
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Old 06-20-2011, 04:22 PM   #4 (permalink)
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If you don't want to synthesize your own sounds, you could also use my SoundBankPlayer class: https://github.com/hollance/SoundBankPlayer
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Old 06-22-2011, 02:31 AM   #5 (permalink)
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Quote:
Originally Posted by iprimer View Post
Are you looking to create your own synthesizer (ie the app itself is actually creating the sound itself in a true sense)?

If so I found this link a while back when I was looking into something similar, though I haven't started the project yet that would involve these techniques.

Sound Synthesis on the iPhone – Hollance: Freelance iPhone + iPad Development

If you are looking to just play sounds at the press of a button, there are some very simple ways to do so. Just look up "AVAudioPlayer" in the ios documentation.
Thanks for the link. I'll check it out.
As far as just playing sounds at the press of a button, I have already accomplished that. I am thinking more of something like this:iPhone Audio Sequencer Prototype on Vimeo

I am looking into making a simpler version of the app in the video.
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