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Re: IOS AUGraph: record mic and play file
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Re: IOS AUGraph: record mic and play file


  • Subject: Re: IOS AUGraph: record mic and play file
  • From: tom zicarelli <email@hidden>
  • Date: Mon, 12 Dec 2011 10:30:19 -0500
  • Importance: Normal

Hi Steven,
 
Check out the open source project I posted last week: http://zerokidz.com/audiograph
 
You will find example code to do what you are looking for. Or read this entry from Chris Adamson’s blog for the real story:
 
http://www.subfurther.com/blog/2009/04/28/an-iphone-core-audio-brain-dump/
 
Basic steps (in addition to what you already have):
 
- set audio session category to AVAudioSessionCategoryPlayAndRecord,
- set  ASBD stream formats on the remote IO input scope output bus (and output scope input bus)
- make AUgraph connections or assign a callback.
 
Tom
 
 
From: steven hooley
Sent: Monday, December 12, 2011 8:33 AM
To: email@hidden
Subject: IOS AUGraph: record mic and play file
 
I have an AUgraph containing an AudioFilePlayer and a RemoteIO node, playback is ok. Is it possible using the same graph/remoteIO to access samples from the microphone?
 
I think i know how to access microphone samples using a standalone remoteIO, not part of a graph that is also playing other audio.
 
Any suggestions are appreciated.
 


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