Audio output: DOCS and CONFIG

[tinker3433]

Hi,
Solved my own issue as i was writing it up

I had no audiooutput, but i could tell from the LED that it was recording and playing back.
Green and Red (I miss the Yellow for "transmitting)
It also would give a Green LED if i just said "Alexa"

The issue was that i had a HDMI monitor connected to set up the WI-FI. which i found out, as i'm sure most of you guys know already, that that kills the Audio Jack output.

Might be worth a mention in the instructions for others that are like me and just starting out using Pi.

[renekliment]

Hey. Thanks for the notice!
We'll make a separate config options for playback and recording device and document it, so people can actually use sound over jack even when HDMI is connected.

[sammachin]

@tinker3433 yep I miss the transmitting or processing indication too, its top of my list to bring back in

[renekliment]

@tinker3433 So now you can also set the output device in config.yaml. Please test if you can set audio output to go through the analog, with HDMI connected.

[maso27]

I've been trying, but can't get the audio to go out the 3.5mm jack with HDMI connected.

Here are two different setups I've tried setting output_device to, within config.yaml:
"hw:CARD=ALSA,DEV=0"
"hw:0,0"
In either case, Alexa's "yes" still comes out of the HDMI source. I've tried changing the 0's to 1's and no difference.
Has anyone else had any luck?

[maso27]

As a side note: I can make an external sound card work by changing output_device to "hw:2,0" just fine, so this is a good advancement. But I'm stumped on getting the jack to work when HDMI is connected.

[ShawnHarte]

I can only get analog audio to play with HDMI connected by using force_audio 0. mpg123 can use the -o flag to output audio to HDMI or analog with 1 or 0 respectively. Someone a bit more familiar with the code may be able to make this work programatically, as it does seem possible to play analog sound with HDMI connected.