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Re: Actual Stream vs. Physical Stream ?
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Re: Actual Stream vs. Physical Stream ?


  • Subject: Re: Actual Stream vs. Physical Stream ?
  • From: Jeff Moore <email@hidden>
  • Date: Tue, 18 Dec 2001 14:23:26 -0800

on 12/18/01 7:06 AM, Jim Dolan <email@hidden> wrote:

> I have a new G4. In Daisy the only rate that shows up in the actual and
> physical list is "2 Channel 44.1k" - I take this to mean that 44.1 is the only
> sample rate the device supports.

That is correct.

> Yet I can play a 48k clip in iTunes through
> this device. Who is doing the conversion iTunes?

iTunes isn't a direct client of the CoreAudio services. It uses the Sound
Manager API for all it's playback needs.

> If the mSampleRate is 0 - Is there any way to tell which rates a device really
> supports and which it will convert?

Not at the moment.

--

Jeff Moore
Core Audio
Apple


References: 
 >RE: Actual Stream vs. Physical Stream ? (From: Jim Dolan <email@hidden>)

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