Motorola One Plus no Hi Res audio

Support questions for Neutron Player only.
schsst
Posts: 31
Joined: Tue May 21, 2019 10:13 pm

Motorola One Plus no Hi Res audio

Post by schsst » Thu Jan 14, 2021 12:11 am

Hi, just bought a Motorola One Plus (snapdragon 730) but there is not hi res audio in Neutron??
Generic Driver -> Hi-Res Codec option in not available...
Can you help me?

WitzyZed
Posts: 52
Joined: Fri Nov 22, 2019 8:49 pm

Re: Motorola One Plus no Hi Res audio

Post by WitzyZed » Thu Jan 14, 2021 1:04 am

https://www.xda-developers.com/motorola ... us-review/
Far down into this review it is relayed (albeit with incorrect terminology) that output over 3.5mm on this device is limited to 16bit.

blaubär
Posts: 1635
Joined: Tue Apr 02, 2019 6:48 am

Re: Motorola One Plus no Hi Res audio

Post by blaubär » Thu Jan 14, 2021 5:26 am

Yes, Indeed :
In our review, however, the audio output from both the mono loudspeaker and the headphone jack was limited to a maximum sampling rate of 16-bit as opposed to 24-bit output on some competitors including the POCO X2.

blaubär
Posts: 1635
Joined: Tue Apr 02, 2019 6:48 am

Re: Motorola One Plus no Hi Res audio

Post by blaubär » Thu Jan 14, 2021 5:30 am

You can ask neutronmp@gmail.com though - perhaps Neutron CAN support this device but the occasion just didn't arrive in the past to implement it.

schsst
Posts: 31
Joined: Tue May 21, 2019 10:13 pm

Re: Motorola One Plus no Hi Res audio

Post by schsst » Thu Jan 14, 2021 10:05 am

should I root the device?

WitzyZed
Posts: 52
Joined: Fri Nov 22, 2019 8:49 pm

Re: Motorola One Plus no Hi Res audio

Post by WitzyZed » Thu Jan 14, 2021 10:21 pm

Your phone's audio policy configuration file is titled audio_policy_configuration.xml and is located in /system/etc
That directory, /system/etc may not be exposed in any generic file manager without superuser permissions.
If you're curious about it you can try to root your device, but I don't think it will unlock any capabilities by doing that alone.

blaubär
Posts: 1635
Joined: Tue Apr 02, 2019 6:48 am

Re: Motorola One Plus no Hi Res audio

Post by blaubär » Fri Jan 15, 2021 5:00 am

WitzyZed wrote:
Thu Jan 14, 2021 10:21 pm
Your phone's audio policy configuration file is titled audio_policy_configuration.xml and is located in /system/etc
That directory, /system/etc may not be exposed in any generic file manager without superuser permissions.
If you're curious about it you can try to root your device, but I don't think it will unlock any capabilities by doing that alone.
It won't, but it might give insight into whether it SHOULD work, if you can read it.
dmitrykos wrote:
Tue Jan 12, 2021 8:15 pm
[...]
Assumption regarding the supported frequencies is made on the basis of OS internal config files for audio core which report frequencies and sample formats, [...]
And you could send it to the developer in case he hasn't been able to work on that device yet.

schsst
Posts: 31
Joined: Tue May 21, 2019 10:13 pm

Re: Motorola One Plus no Hi Res audio

Post by schsst » Fri Jan 15, 2021 7:03 am

My collection is 16/44.1 do I really need hi res enabled in Neutron for best quality?

blaubär
Posts: 1635
Joined: Tue Apr 02, 2019 6:48 am

Re: Motorola One Plus no Hi Res audio

Post by blaubär » Fri Jan 15, 2021 7:34 am

schsst wrote:
Fri Jan 15, 2021 7:03 am
My collection is 16/44.1 do I really need hi res enabled in Neutron for best quality?
No, there's no real need. Just using defaults would be the easiest way. That should activate high-res if it is supported on your phone. In that case Neutron would set the Frequency to Default, avoid resampling to 48 kHz and stick to 44.1 kHz. That would be slightly beneficial for both quality and cost.

schsst
Posts: 31
Joined: Tue May 21, 2019 10:13 pm

Re: Motorola One Plus no Hi Res audio

Post by schsst » Fri Jan 15, 2021 7:47 am

Output seems to be resampled to 48000
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