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the format flag kLinearPCMFormatFlagIsPacked

Subject: the format flag kLinearPCMFormatFlagIsPacked
From: Roland Silver <email@hidden>
Date: Fri, 18 Jan 2008 13:17:47 -0700
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I want to output (using Audio Queue) a time-series of algorithmically generated sound signals in linear PCM format: left-channel-signal #1, right-channel-signal #1, left-channel-signal #2, right-channel-signal #2, etc. Each signal is represented as a 32-bit float.

Question: Should the format flag kLinearPCMFormatFlagIsPacked be set?

I've read Core Audio: Audio Stream Basic Description, but I'm still not clear on the answer to my question, because I don't understand what "packed" means, exactly. I think my data is packed, but I'd like to make sure.

Roland Silver

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