NanoSound Official Help

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NanoSound Official Help

Postby nanomesher » Tue Oct 10 2017 16:49

This is the Official help forum of NanoSound - All-in-one Hi-Fi Audio DAC Board for Raspberry Pi

NanoSound provides essential functionalities including Media Control Buttons, Display, Remote control and Pi Power Switch, all in one package. This convenience give you a true consumer electronics experience, while keeping the full customization and flexibility of Raspberry Pi.

NanoSound was successfully funded via kickstarter and delivered in October 2017.

An Speaker & Headphone Amp add-on is also available.

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For more info, visit here http://nanomesher.com/nanosound/
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NanoSound DAC Installation

Postby superuj » Wed Oct 11 2017 15:58

Just wanted to say thank you for the great email support that NanoMesher has given during my installation process. The DAC is up and running with very smooth sounds.

My NanoSound DAC was from the first batch of its production. While the installation was rather straightforward (but not without hiccups), I am please with the result. Thought that I should document a few pointers I was given here:

I found the following page very useful on the hardware installation (particularly, for someone who intents to use a Linear PSU for the DAC independently) as I do:
http://nanomesher.com/nanosound-hardware-installation/

I first installed the NanoSound plug-in (as in the Software Installation support page) on Volumio 2.246. It ran as expected. However, after I had upgraded to Volumio 2.285, music stopped playing. The Mixer in Volumio UI also acted up. After a couple of emails back and forth with the customer support from NanoMesher who suggested the following changes, the NanoSound DAC has started to sing again:

A quote from one of the NanoMesher emails to change the NanoSound card from card 0 (as in 2.2.46) to card 1 (as in 2.285):

___________________________________________________

Edit /boot/config.txt, remove or comment the line

#dtparam=audio=on

then edit /etc/asound.conf

pcm.!default {
type hw card 0
} ctl.!default {
type hw card 0
}

Then do a reboot.
___________________________________________________

I hope NanoMesher will update it's plug-in to take care of this issue soon.

The LED displays works for my own music files, but not for Spotify. Not sure if any future plug-in upgrade would take care of it as well.

Note: The volume from the 3.5 mm jack on board of the NanoSound DAC is just enough for 32-ohm headphones (and is on the weak side). I have just placed an order for a NanaSound Amp^2 for my headphones with higher impedance.

All in all, I like the sound coming out of the NanoSound DAC. To my ears, the extreme top appears to be tamed and controlled, behaving a bit like good sounding tubes. The mid and low are quite pleasing for the kind of music I listen to (Jazz and Classical). With a Linear PSU feeding the DAC, the noise floor is very clean. I could hear a pin drop in the concert hall. And it's that much of details that this DAC is rendering.

Thanks again,

John
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NanoSound Official Help

Postby nanomesher » Wed Oct 11 2017 17:46

Thanks John for the comment and glad that you liked the sound!

We have just figured out the problem after working with Volumio developers.

There are 2 issues found related to the upgrade:

1) There is a bug in the volumio 2.285 wizard after the upgrade.

The workaround now is actually easier now , there is no need to edit any file.

The easier solution is either
- skip wizard after upgrading to 2.285 or
- if you accidentally ran the wizard, go to playback options, switch off i2c , reboot, switch on i2c again and resetup your DAC.

2) LIRC setting in /boot/config.txt got removed during the upgrade

workaround is to add back below in /boot/config.txt

dtoverlay=lirc-rpi,gpio_in_pin=17

Volumio is working on bug #1 above and NanoSound is working on bug #2.

It should only take a few days to sort out. Thanks for raising these issues

Cheers
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Only one channel out

Postby dawidku » Fri Oct 13 2017 08:29

I have an issue with music coming out of only one channel on Nanosound DAC.
Can someone advise.
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NanoSound Official Help

Postby nanomesher » Fri Oct 13 2017 15:43

Hi, have you tested both 3.5mm and RCA out? Is it the same?
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NanoSound Official Help

Postby dawidku » Fri Oct 13 2017 16:22

nanomesher wrote:Hi, have you tested both 3.5mm and RCA out? Is it the same?


Yes it is the same on both outputs.
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NanoSound Official Help

Postby nanomesher » Fri Oct 13 2017 18:19

We will contact you separately about this issue for diagnosis. thanks very much.
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NanoSound Official Help

Postby superuj » Tue Oct 17 2017 20:50

nanomesher wrote:... Volumio is working on bug #1 above and NanoSound is working on bug #2.

It should only take a few days to sort out. Thanks for raising these issues


Just upgraded to 2.295 via Volumio's web UI. No issues at all. NanoSound is running once I have the correct DAC selected. Thanks for fixing the bugs.

John
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NanoSound Official Help

Postby nanomesher » Wed Oct 18 2017 16:15

Thanks for letting us know John! Glad it's all working now :D
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NanoSound Official Help - Amp^2

Postby arohl » Thu Nov 02 2017 10:26

Hi

I have my new system of DAC + the AMP^2. The DAC runs fine if I run the output though an external amp. However if I plug my Bowers & Wilkins P5 into the Amp^2, the sound is terribly distorted at 60% volume and not especially loud (i.e. only a little louder than if I plug into the jack on the DAC - and its sound doesn't distort at even at 100% volume). Any idea why the AMP seems to be so underpowered?
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