[mythtv-users] [renamed] Audio problem on Shield
Peter Bennett
pb.mythtv at gmail.com
Thu Apr 9 14:47:15 UTC 2020
On 4/8/20 8:41 PM, Michael wrote:
> On 5/17/19 1:10 PM, Peter Bennett wrote:
>>
>>
>> On 5/17/19 12:04 PM, mythtv wrote:
>>> I tried one of the latest android builds from the ticket. I can
>>> actually get audio now, but only stereo. When I try to play a movie
>>> with digital audio, it seems to want to convert everything to LPCM
>>> stereo. That's what my receiver says its receiving.
>>
>> Did you follow the instructions in the ticket?
>>
>> https://code.mythtv.org/trac/ticket/13446#comment:5
>>
>> See "To use AudioTrack on Android" in the comment
>
>
> Hi Peter, I am finally updating to version 31 this week and had saved
> this thread for when I was able to do the upgrade. In the notes of
> the ticket you noted:
>
>
> To use AudioTrack on Android
>
> In the Android setup, choose "Automatic" or "Best Available". There is
> no need to force Dolby Digital in Android, it will be used
> automatically if your hardware supports it.
>
> Select "AudioTrack:" audio device. Enable all entries under "Digital
> Capabilities" and set the appropriate number of speakers. Android will
> detect whether your TV or sound system supports the audio format and
> will either pass it through or decode it within android hardware. So
> for example you can select Dolby Digital even if your sound system, TV
> or display monitor does not support it and android will decode it. If
> you do not select the checkbox, MythTV will decode it.
>
> I have tested Dolby Digital (AC-3). I cannot test multi channel LPCM,
> DTS, E-AC3, etc. If anybody can test these it would be appreciated. In
> particular, testing multi-channel LPCM is needed to make sure the
> channel mapping is correct.
>
> Let me know if there is any feedback.
>
>
> I configured my shield frontend to have all digital formats and set
> the Shield to auto. It seemed like all was working until today my
> wife reported a video that has AC-3 audio that wouldn't play any
> sound. If I uncheck AC-3 in mythtvsetup, I get the audio.
> Additionally, in leanfrontend it plays with audio just fine.
>
>
> According to the manual for my receiver, it does support all of the
> digital audio formats in the mythtv screen.
>
>
> Are these instructions still accurate? Any thoughts on debugging further?
>
>
> Michael
>
>
>
I will try this again and let you know. It should work, but later
changes may have introduced a problem.
Peter
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