Re: iPhone synth starting point...
Re: iPhone synth starting point...
- Subject: Re: iPhone synth starting point...
- From: Richard Burnett <email@hidden>
- Date: Mon, 13 Apr 2009 17:09:46 -0400
On Monday, April 13, 2009, at 04:08PM, "Jens Alfke" <email@hidden> wrote:
>
>On Apr 13, 2009, at 12:29 PM, Richard Burnett wrote:
>
>> To be honest, I just don't know were to look next. I want to make a
>> sample player with at least a 8 note polyphony (single instrument)
>> with ADSR and maybe the ability to add reverb. I implemented the
>> AudioQueue example code and in fact got it to play a sample off of
>> the iPhone, this is no where near where I need to go. For instance:
>
>You wouldn't want to implement a real-time instrument using an
>AudioQueue — the latency is too high. AudioQueue really simplifies the
>threading, but at the expense of adding a lot of buffering. You'll
>need to use AudioUnits directly.
Do you have a good source of examples for using AudioUnits directly? I've spent about an hour searching online but can't seem to find a good resource to get me going in the right direction. From what you have said and others on the web, AudioQueue and OpenAL are not what I want so I am ready to go ahead and dive in. I am not opposed to ordering a book or two if they really are helpful.
>
>> Compared to the rest of the iPhone SDK I have worked with, it feels
>> like working with CoreAudio is A LOT harder. I wish I had more
>> experience with it on OSX itself, but my knowledge has been limited
>> to a few AU projects I had started awhile ago.
>
>CoreAudio is definitely one of the most difficult APIs on Mac or
>iPhone. Its only competition (in my experience) is the crypto/security
>APIs.
Given the power of it, I can understand. I just wish there were more resources on getting into it! I've two projects that need audio now and they are both ready for me to tackle this problem!
Thanks for the information!
Rick
>
>—Jens
>
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