strategies for getting my app's audio working over 48khz HDMI
strategies for getting my app's audio working over 48khz HDMI
- Subject: strategies for getting my app's audio working over 48khz HDMI
- From: Morgan Packard <email@hidden>
- Date: Mon, 07 Nov 2011 08:15:15 -0500
Hello list,
My development partner tells me our audio is messed up over hdmi. It looks like his TV is asking for 48kz data, and I'm supplying 44khz. I believe this is the case based on the value of kAudioSessionProperty_CurrentHardwareSampleRate on app startup.
My questions are:
- Assuming I do actually need to convert the audio stream of my synthesis engine from 44.1khz to 48khz, is there an "Apple" way to do this. I have yet to learn how to string audio units together (just started that chapter in the Core Audio Book), but it looks to me like I might need to use AUConverter along with RemoteIO (which is currently the only audio unit I'm using).
- I don't own a TV and don't want to. Is there a smaller/cheaper device I can buy that will allow me to test my app with HDMI, outputting at a sample rate other than 44.1khz?
thanks,
-Morgan
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