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Re: iOS Line Out (docked) volume
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Re: iOS Line Out (docked) volume


  • Subject: Re: iOS Line Out (docked) volume
  • From: Ari Krupnik <email@hidden>
  • Date: Mon, 17 Dec 2012 16:02:29 -0800

My understanding is that line out is always at line level (what you might call maxed) and the external amplifier controls output volume. Since the iOS device has no control over the external amplifier's volume setting, iOS disables the volume slider for this audio path.

Ari.


On 12/17/12 3:32 PM, Kevin Dixon wrote:

In general iOS seems to save/restore the volume settings for your
various routes. One exception seems to be the Line Out (docked) mode.
It simply takes whatever volume the Speaker is currently set to, and
*hides* the volume slider. (MPVolumeView). This seems like an
oversight, since generally you would always want your line-out volume
maxed.

This is resulting in poor behavior for some of our apps, though I
notice the system player seems to set the volume to 0dB explicitly
when it notices the LineOut situation.

Any ideas on what should be done here? Testing with iOS 5.1.1 and 6

-Kevin
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  • Follow-Ups:
    • Re: iOS Line Out (docked) volume
      • From: Kyle Sluder <email@hidden>
References: 
 >iOS Line Out (docked) volume (From: Kevin Dixon <email@hidden>)

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