Pop between tracks

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Pop between tracks

Postby pickled-walnut » Fri Feb 03 2017 16:51

Hi

I have recently installed Volumio on a Raspberry Pi 3 with an IQ Audio Dac + Pro. I am streaming to it over Ethernet via Airplay, from a recent model Macbook Pro.

It all works out of the box. Except that, between tracks, there is always an audible 'pop' as one song finishes and the next begins. It's quite loud, and it happens on both Spotify and Tidal (I'm streaming both from my Mac to the Pi over Airplay). It always happens - ie it isn't intermittent - and it's driving me nuts.

I can't see anybody else complaining about this though. Anyone got any ideas what the problem might be? When songs are actually playing it sounds fine.

Cheers

Rob
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Pop between tracks

Postby chsims1 » Mon Feb 06 2017 01:37

Sorry Rob, no answer really. As you say it's not been reported on the forums here as far as I am aware. It sounds like a hardware problem to me.
New to Volumio? Please read the Quick Start Guide to get your system up and running :). FAQs? Docs?
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Pop between tracks

Postby can7 » Mon Apr 24 2017 07:07

Hi Rob,

Share my experience. I have DIGI+ on my Pi-3 running Volumio latest version, streaming to JOBSYS Integrated amplifier via SPDIF, which encounters exactly the same behaviour as you, got a "pop"/"click" sound between tracks playback WAV or FLAC up to 24 bit 192kHz. I think it is the JOB detects and locks down the digital signal. I do expect it happens between album of different bit depth or sampling rate, but definitely not between tracks in same album of same format. Using the same source setup, this issue has never occured on my previous DAC/Amp Hegel H80.

I changed to use the USB instead of SPDIF output of Pi-3, and it resolves the “pop”/”click” sound in between each track on playback PCM. However, I still encounter the same behaviour on DSD playback. I found an article http://www.google.com.hk/url?sa=t&rct=j ... -E9H4fL1SA explains why there is “pop” for DSD playback.

The suggested solution is using some music player software like JRiver v19 which can handle the DSD output level change between track. I have tested JRiver and Foobar2000 on Windows10, both did not notice this behaviour. However, in term of sound quality, I prefer Volumio. So I think I will wait for its next release which hopefully will resolve the problem.

Though I am using Linux or Windows (sorry,.... I'm Apple hater), hope my experience helps the support team to understand the problem, and improve in future release. I believe it is not hardware problem on DAC, it should be caused by the software.

Regards,
Matthew
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Pop between tracks

Postby SkiesOfBlue » Thu Oct 05 2017 15:38

Did you solve this? I have the same problem with a IQaudIO Pi-AMP+, see here: pop-sound-between-tracks-with-iqaudio-amp-t7710.html
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Postby dracolich » Fri Oct 06 2017 06:05

Just sharing my experience:

Pi3+IQaudIO DAC Pro

To avoid any problem, flash the version found on iqaudio download section. Is the latest volumio version already configured to work with their dac's. Just select DAC+ from the output devices and you should good to go.

I tried many albums with linked songs ( the inability of many system to reproduce them gapless was driving me mad) and they play without any audible transition or noise.

Hope may help.

L
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Pop between tracks

Postby SkiesOfBlue » Sun Oct 08 2017 17:14

Thanks for sharing. It says on the IQAudio website
For Volumio, RuneAudio and MoodeAudio, IQaudIO support is build in [sic] and easily configured - either automatically, or from the software’s web interface. If we include a pre-configured image here for these software packages it is to remove the need for users to configure it themselves BUT the version of the pre-configured version may not be the latest.

So I don't think it matters that much whether or not you use their version. If you use the 'generic' version it's just a matter of selecting your DAC/amp and restart the Pi, so not that much of a hassle.

Anyway, I'd love to hear other experiences with pops and sounds between tracks!
Last edited by SkiesOfBlue on Thu Nov 02 2017 12:21, edited 1 time in total.
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Postby SilverLining » Sun Oct 08 2017 23:29

Similar issue here running volumio on Raspberry Pi 2B with Pimoroni pHAT BEAT amplified stereo DAC. Prior to this I was running a similar setup except on a Raspberry Pi Zero W (Pimoroni Pirate Radio kit). With both setups, a loud pop occurs every time I click on a track or internet radio station to manually start playback. It also occurs when resuming playback after pausing it. It does not occur between tracks when playing tracks from the queue. In fact, when playing from the queue, the automatic transition from track to track is very smooth and gap-less. However, if I click on a track in the queue to switch tracks manually (instead of letting the system move to the next track automatically at the end of the current track) I get the pop.

BTW I had the same issue while running the Pimoroni Pirate Radio script on the Pi Zero W using the pHAT BEAT. Loud pop whenever I switch internet radio station.
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Pop between tracks

Postby dracolich » Mon Oct 09 2017 16:18

If you hear the pop noise whenc manually switch between songs, increasing Buffer Before Play parameter (Playback Options) to 10% or even 20 should help.

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Postby sanderd » Tue Nov 28 2017 13:14

Hi all,

I have the same popping between tracks issue, both with playing music from NAS and Spotify.

-My setup is a RPi Zero connected to a Chordette Gen USB/BT DAC (https://www.whathifi.com/chord-electron ... gem/review).
-When i connect the DAC to my laptop and play music from same sources there is no popping.
-Both RPiZ and laptop use Wifi.

-I played around with different buffer sizes and Buffer before play settings, which did not help.
-Popping both with and without softmixer volume control.

I had the same issues with a first version Pi and older versions of Volumio, the reason i try Volumio once in while to see if the problem is fixed.
It seems to mee it has something to do with the inner workings of Volumio, or stuff it uses like mpd.

Regards,
Sander
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Pop between tracks

Postby ellevy12 » Tue Nov 28 2017 13:59

Same thing with rp2 and justboom dac. I tried also on osmc and the pop sound is there. Pop sound happen when clicking on a track to play, or pause.. Very annoying, and don't know how to get over it.... Here is my original question about it:


When pressing play or pause, i have a small pop sound.. Is it a known issue with the justboom dac? I would love to hear other users with this dac who have encountered this problem...
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