07-22-2020, 08:51 AM
Hello.
Fighting with a weird problem here.
Routing the sound trough the usb cable in android auto and the sound quality is horrible.
I get these clicks and pops, like playing an old beat up LP.
I can disable sound over usb and use bluetooth instead but that just creates another problem, dropouts and digital sounding artifacts.
(Changed the codecs as well, with no difference)
So routing the sound through usb seems better.
In testing i have tried several different sound cards.
El cheapo usb sound card - klicks and pops
Ok quality usb sound card (behringer) - clicks and pops
Expensive usb dac - clicks and pops
Internal pi 4 sound card - No clicks and pops! (Just the standard bad sound you get from this method)
After searching around the forum I tried disabling discoverability for bluetooth with no success.
HW:
Pi 4 2gb
Official touchscreen
CSR 2.1 + EDR dongle Class 1
SW:
9.1
In my previous solution I used an old nexus 7 tablet with the behringer dac above and usb android auto, same phone. Perfect sound.
Any good suggestions on what to try next?
/nisse2000
Fighting with a weird problem here.
Routing the sound trough the usb cable in android auto and the sound quality is horrible.
I get these clicks and pops, like playing an old beat up LP.
I can disable sound over usb and use bluetooth instead but that just creates another problem, dropouts and digital sounding artifacts.
(Changed the codecs as well, with no difference)
So routing the sound through usb seems better.
In testing i have tried several different sound cards.
El cheapo usb sound card - klicks and pops
Ok quality usb sound card (behringer) - clicks and pops
Expensive usb dac - clicks and pops
Internal pi 4 sound card - No clicks and pops! (Just the standard bad sound you get from this method)
After searching around the forum I tried disabling discoverability for bluetooth with no success.
HW:
Pi 4 2gb
Official touchscreen
CSR 2.1 + EDR dongle Class 1
SW:
9.1
In my previous solution I used an old nexus 7 tablet with the behringer dac above and usb android auto, same phone. Perfect sound.
Any good suggestions on what to try next?
/nisse2000