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Pi 4 Moode Audio bluetooth aptX/LDAC

Nonick

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Mar 27, 2021
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Managed to install and configure bluez-alsa on Moode Audio Player, with installed BT codecs: SBC, AAC, aptx, aptxHD and LDAC.
Here is the output of $ bluealsa -h
Available BT profiles:
- a2dp-source Advanced Audio Source (v1.3)
- a2dp-sink Advanced Audio Sink (v1.3)
- hfp-ag Hands-Free Audio Gateway (v1.7)
- hfp-hf Hands-Free (v1.7)
- hsp-ag Headset Audio Gateway (v1.2)
- hsp-hs Headset (v1.2)

Available BT audio codecs:
a2dp-source: SBC, AAC, aptX, aptX-HD, LDAC
a2dp-sink: SBC, AAC, aptX, aptX-HD
hfp-*: CVSD

Ive tried to connect with phone (aptX and LDAC supported) to Raspberry Moode - but not possible to use aptx or LDAC: it keeps connecting with SBC codec.

Anyone managed working Moode aptx/LDAC codec?
 

magchiel

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AFAIK LDAC not working is a licensing limitation from Sony on LDAC that is incompatible with Moode's.
LDAC's encoder license is open while decoding requires a proprietary license.

See https://moodeaudio.org/forum/showthread.php?tid=3684

Can't think of a reason AptX wouldn't be working. It did out of the box with a clean image on a Pi Zero 2w last time I tried.
 
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Nonick

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AptX was working ouf of the box with Moode?
I cant get it working . Sink and source are showing all codecs installed, but even with forced Aptx codec on smartphone it wont connect to Moode.
It connects only with SBC.
 

magchiel

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Sorry I have mispoken on having aptx working. Evidently it's excluded, likely for the same reasons LDAC is (except for Qualcom being the proprietor).

I currently don't have a Bluetooth capable Pi laying around (the Zero was build for someone else) so I can't replicate, but can you get streaming working directly with bluealsa-aplay? Any errors in the journal?

The truth is that I only tested it functionally (how does it work when I stream to Moode, assuming it being AptX, or in the case of this response a Mother of... ), but since my DACs all have LDAC capability and I'm not settling for anything less anyway, I don't bother using Moode for cases I require Bluetooth streaming. Which is probably what I would recommend.
 
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Nonick

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Streaming via bluealsa is working, no errors in log. But it only streams with SBC/AAC.
$ bluealsa-aplay -L
A2DP (SBC): S16_LE 2 channels
Though used devices support aptx, aptxHD, LDAC (ifi zen blue works out of the box with ldac or aptx).
 
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