Re: No sound through speaker
Re: No sound through speaker
- Subject: Re: No sound through speaker
- From: Ron Wagner <email@hidden>
- Date: Sun, 19 Apr 2015 12:31:14 -0400
> From: Uli Kusterer <email@hidden>
>
>
> On 17 Apr 2015, at 22:32, Ron Wagner <email@hidden> wrote:
>> I asked the users if they might have had the mute switch in the muted position, and they state it was not in the mute position, and cycling the mute switch on and off had no affect.
>>
>> Seeing as how we have not implemented a “cone of silence” feature in our app, I’m out of ideas of where to look and how to debug this problem. Since the sound always plays through earbuds when plugged in, I can’t see how it would be our code.
>
> If I may doubt your users for a second: There are different categories of sound (I don’t recall what they were called precisely), which control whether a sound should be muted by the mute switch or not. Have you checked whether you’re possibly using the wrong sound category? The users you asked may have only thought that since YouTube plays sound, it isn’t muted.
>
> In general, the “mute” switch is actually a “ringer” switch. That is, it’s supposed to *only* suppress notification sounds and ring tones, not e.g. movie audio. Could that perhaps be your issue? I think the APIs that let you set this category of sound are called “audio session” or so?
>
> Cheers,
> -- Uli Kusterer
> “The Witnesses of TeachText are everywhere...”
> http://zathras.de
>
>
>
> Date: Fri, 17 Apr 2015 15:36:09 -0700
> From: David Rowland <email@hidden>
>
> Check Apple’s documentation for Audio Sessions,
>
> https://developer.apple.com/library/ios/documentation/Audio/Conceptual/AudioSessionProgrammingGuide/Introduction/Introduction.html <https://developer.apple.com/library/ios/documentation/Audio/Conceptual/AudioSessionProgrammingGuide/Introduction/Introduction.html>
>
> Perhaps it will help.
>
> David
>
>
Thanks Uli and David. I wasn’t aware of the Audio Sessions API. I will implement what makes sense for our app. Since it is an intermittent problem, time will tell if it solves the problem.
Ron
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