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Re: simplest sound output
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Re: simplest sound output


  • Subject: Re: simplest sound output
  • From: Roland Silver <email@hidden>
  • Date: Thu, 27 Mar 2008 10:24:38 -0600

Jens,
Thanks for your suggestion!

I downloaded AudioQueueTest from Apple ADC, which consists of four files: aqtest (a UNIX executable), AudioQueue.xcodeproj, main.cpp, and a readme.

I first tried running aqtest from the command line, which results in the error message:
     Must specifiy a file path
I don't have a clue as to what kind of file it's looking for.

I then tried to build the project, but got a number of error messages starting with:
error: CAXException.h: No such file or directory
Line Location main.cpp:56: error: CAStreamBasicDescription.h: No such file or directory

What now?
--RS
-----------------------------------
On 2008Mar27, at 08:37, Jens Alfke wrote:

On 27 Mar '08, at 5:15 AM, Roland Silver wrote:
Without delving into the manifold complexities of core audio, what is the simplest code which will take that series of signals and output them to the speakers (standard output?) without distortion due to clipping?

AudioQueue, a new API in 10.5. There's a fairly good overview, and an API reference, in the Apple documentation, and some sample code in /Developer/Examples/CoreAudio.

—Jens

Roland Silver
email@hidden



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References: 
 >simplest sound output (From: Roland Silver <email@hidden>)
 >Re: simplest sound output (From: Jens Alfke <email@hidden>)

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