[AudioI] Audio Latency Support

[Matt]

Great to hear about your media PC setup. Happy that you got it working 
with lower latency.

Just for future readers, there is also an alsamixer setting to enable a 
bypass, where the analogue input signal bypasses the I2S bus and goes 
directly to the output of the codec. I am pretty sure it is called the 
"Line Bypass Switch".

Matt

On 2/4/21 6:12 am, Michael H. Cook via People wrote:
> [[ Hat in hand]] Well I shoulda done some more troublleshooting before 
> posting. The problem was actually a volume setting within my Roku 
> Device. Anyway, perhaps you can utilize my description of my Pi setup 
> for your use. Feel free to contact me if you'd like to replicate it.
>
> Thanks Folks! Issue resolved.
>
> On Thu, Apr 1, 2021 at 2:25 PM Michael H. Cook <michaelhcook at gmail.com 
> <mailto:michaelhcook at gmail.com>> wrote:
>
>     Greetings Folks! I have a Raspberry Pi 4 that I'm using as our
>     family "Media PC". This Pi is using the AudioInjector Stereo card
>     (http://www.audioinjector.net/rpi-hat
>     <http://www.audioinjector.net/rpi-hat>). I chose it because it has
>     both stereo input and output. My signal flow is that we have a
>     Sony TV with Roku, FireStick, Chromecast all attached to the TV
>     via HDMI. We then send the audio signal out from the TV to the
>     input of the Raspberry Pi. One reason for this is that the volume
>     control on the TV does not control the Audio out on the TV. We
>     then send the Audio Out signal from the Pi to a stereo amp. This
>     way we can remotely control volume using the app Unified Remote on
>     the Raspberry Pi and also stream music right from the Pi as it is
>     also running Logitech Media Server as a Music Streaming player.
>     Whew! That's the background of the setup.
>
>     My current problem is that when playing video on our Roku or
>     Firestick, etc, the audio lags behind the video. I suspect it's
>     that it's perhaps being "processed" by the pi. Would anyone know
>     how to enable a Direct Thru or Monitor Input setting on the Pi to
>     decrease the audio latency? I'm sure I'm leaving out many
>     important details, so please feel free to "set me straight" or ask
>     for clarification. I'm truly grateful for your time and support.
>
>
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