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Re: How to configure AudioConverter to write VBR?
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Re: How to configure AudioConverter to write VBR?


  • Subject: Re: How to configure AudioConverter to write VBR?
  • From: Jens Alfke <email@hidden>
  • Date: Thu, 12 Feb 2009 08:35:57 -0800


On Feb 12, 2009, at 12:57 AM, Brad Ford wrote:

I presume you've taken a look at the scaudiocompress sample code?

No, I had never heard of it; I haven't looked at QuickTime APIs in several years.


...downloads, builds, runs...

OK, I'm trying out the compression-settings dialog, but it's got some odd issues:
- I can change output formats via the pop-up, but for some reason it beeps whenever I do it.
- With AAC selected, the Render Settings pane only shows a single Quality pop-up.


Both of these go away if I change the Channels setting to Mono. Then it stops beeping, and with AAC selected adds the 'MPEG 4 AAC LC Encoder Settings' with a Target Bit-Rate pop-up, and enables the Advanced Settings pop-up.

To be honest, I think this dialog is kind of overkill for what I need (I'm writing a consumer app, and I don't want to scare people away). But playing with it has given me some ideas of what to make my UI look like, so thanks for pointing me at this sample!

—Jens _______________________________________________
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  • Follow-Ups:
    • Re: How to configure AudioConverter to write VBR?
      • From: Brad Ford <email@hidden>
References: 
 >How to configure AudioConverter to write VBR? (From: Jens Alfke <email@hidden>)
 >Re: How to configure AudioConverter to write VBR? (From: Stephen Davis <email@hidden>)
 >Re: How to configure AudioConverter to write VBR? (From: Jens Alfke <email@hidden>)
 >Re: How to configure AudioConverter to write VBR? (From: Jens Alfke <email@hidden>)
 >Re: How to configure AudioConverter to write VBR? (From: William Stewart <email@hidden>)
 >Re: How to configure AudioConverter to write VBR? (From: Jens Alfke <email@hidden>)
 >Re: How to configure AudioConverter to write VBR? (From: William Stewart <email@hidden>)
 >Re: How to configure AudioConverter to write VBR? (From: Jens Alfke <email@hidden>)
 >Re: How to configure AudioConverter to write VBR? (From: Brad Ford <email@hidden>)

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