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[PROBLEM] Popping sound during playback - Printable Version

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+--- Thread: [PROBLEM] Popping sound during playback (/showthread.php?tid=205)

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RE: Popping sound during playback - Mullet - 11-18-2019

(11-18-2019, 05:47 AM)DRONE7 Wrote: (Amanero)..... what version ?

https://github.com/lintweaker/xmos-native-dsd/issues/12
https://www.diyaudio.com/forums/digital-line-level/323116-xmos-xu208-amanero-usb.html

I'm not even sure at this point. I flashed it maybe 3 or 4 years ago and left it alone. I think the board was manufactured in 2013. Worse case scenario, I suppose I could pull it from its chassis and flash a newer fw.

RE: Popping sound during playback - leicray - 02-01-2020

I have been running 6.4.0 for a while on an RP2+ without any problems. Audio is output via USB into an Audiolab M-DAC.

I recently purchased an RP4+ which exhibits the popping noise about which others have complained. This new Pi also runs 6.4.0 configured in the same way as the RP2+ and connected to the Audiolab M-DAC in the same way.

As far as I can see, everything is identical apart from the Pi on which moOde is running. Any ideas about why the new set-up causes popping?

Thanks.

RE: Popping sound during playback - manolomalele - 02-03-2020

Hi all, I had experienced the same problem randomly, more frequently listening to dsd.
The sound seems to have a little delay.
My equip is
Pi 3b+
Moode (latest available official iso)
Usb dac (topping D50)

Playing just flac or MP3 the problem occurres more rarely.
I hope someone has found the solution.

Thanks

RE: Popping sound during playback - DRONE7 - 02-03-2020

@manolomalele
your "a little delay" is a different symptom and not the "popping sound" referred to in this thread.

Also your hardware is very different. Please start a new thread in the 'Support' section of the forum.

I have removed your other duplicate post...please do not post duplicates and hijack other support threads

RE: Popping sound during playback - Tim Curtis - 02-04-2020

The 4b is kind of mess but the audio glitches might be due to the same bug in the Ethernet implementation that is present on the 3B+. There is an option name "Ethernet port fix" in System Config but the code only displays the option for the 3B+ and not the 4B. It's prolly something to consider adding to the TODO list.

RE: Popping sound during playback - leicray - 02-06-2020

Thanks Tim. Looking forward to the fix working with a Pi4.

RE: Popping sound during playback - Tim Curtis - 02-06-2020

I'm not sure the workaround for 3B+ will resolve the issues on 4B Ethernet, at least I've not found any posts that indicate that it will work.

If there are such posts I'll be happy to check them out.

RE: Popping sound during playback - manolomalele - 02-11-2020

(02-03-2020, 11:47 PM)DRONE7 Wrote: @manolomalele
your "a little delay" is a different symptom and not the "popping sound" referred to in this thread.

Also your hardware is very different. Please start a new thread in the 'Support' section of the forum.

I have removed your other duplicate post...please do not post duplicates and hijack other support threads

Sorry @DRONE7, I was referring exactly to the popping i can hear when i reproduce the DSD files. 
Should I open a new topic? 
Sorry for the duplicate posts.

RE: Popping sound during playback - manolomalele - 02-11-2020

A quick repost of my system:
Raspberry pi B3+
Dac USB Topping D50
Usb 1 TB 3.5" Hard Disk with separated power supply (is not connected to the pi for power)

I hear randomly the pops only when I play DSD files.


This is what I've got from
System > Info 

Code:
S Y S T E M   P A R A M E T E R S

moOde release        = 6.4.0 2019-11-24
Raspbian OS        = 10.2
Linux kernel        = 4.19.83-v7+ #1277
Platform        = Pi-3B+ 1GB v1.3
Architecture        = armv7l (32-bit)
System uptime        = up 7 minutes
Timezone        = Europe/Rome
Current time        = 2020-02-11 22:24:25

Host name        = moode
Ethernet address    = unassigned
Ethernet MAC        = b8:27:eb:6d:90:ec
WLAN address        = 192.168.1.6
WLAN MAC        = b8:27:eb:38:c5:b9
WLAN country        = IT

SoC identifier        = bcm2837
Core count        = 4
Kernel timer freq    = 100 Hz
SDCard freq        = 50 MHz
USB boot        = enabled
Warranty        = OK

Root size        = 7.3G
Root used        = 47%
Root available        = 3.7G
Root expand        = expanded
Memory free        = 72 MB
Memory used        = 202 MB
SoC temperature        = 51.5°C

CPU governor        = performance
Onboard WiFi        = On
Onboard BT        = Off
HDMI output        = Off
Eth addr wait        = Off
Max USB current        = Off
USB (UAC2) fix        = On
Pi-3B+ eth fix        = On
SSH term server        = Off

PHP-FPM version        = 7.3.11
NGINX version        = 1.14.2
SQLite3 version        = 3.27.2
Hostapd version        = 2.8-devel
WiringPi version    = 2.50
RPi.GPIO version    = 0.7.0

A U D I O   P A R A M E T E R S

Audio device        = USB audio device
Interface        = USB
Mixer name        = D50
Hardware volume        = None
Max ALSA volume        = 100
Audio source        = Local
Output device        = Local
Resume MPD        = No
Volume knob        = 100
Volume mute        = Unmuted
Saved MPD vol        = 0
Preamp volume        = 0
ALSA version        = 1.1.8-1+rpt1
SoX version        = 0.1.2-3

Bluetooth controller    = Off
Pairing agent        = Off
Airplay receiver    = On
Spotify receiver    = Off
Squeezelite        = Off
UPnP client        = Off
DLNA server        = Off
GPIO button handler    = Off
UPnP browser        = Off

Auto-shuffle        = Off
Autoplay        = Off
Rotary encoder        = Off
Encoder params        = 100 2 3 23 24
Polarity inversion    = Off
Crossfeed        = Off
Crossfade        = Off
Parametric EQ        = Off
Graphic EQ        = Off
MPD httpd        = Off

A P P E A R A N C E   S E T T I N G S

Theme            = Pure Black
Accent color        = River
Alpha blend        = 1.0
Adaptive background    = No
Background image    = No
Cover backdrop        = No
Cover blur        = 20px
Cover scale        = 1.0
CoverView auto-display    = Never
CoverView style        = Animated
Auto-shuffle filter    = None
Extra metadata        = Yes
Playback history    = No

L I B R A R Y   S E T T I N G S

Instant play action    = Clear/Play
Show genres column    = Yes
Album grouping        = by Artist
Compilation identifier    = Various Artists
Recently added        = 1 Month
Ignore articles        = a,an,the
UTF8 character filter    = No
Hi-res thumbs        = Auto
Cover search pri    = Embedded cover
Pixel ratio        = 1

M P D   S E T T I N G S

Version            = 0.21.16
Volume control        = software
ALSA device        = hw:1
SoX resampling        = disabled
SoX quality        = very high
SoX multithreading    = off
DSD over PCM (DoP)    = no
Replaygain        = off
Replaygain preamp    = 0
Volume normalization    = No
Audio buffer        = 8192 (kb)
Output buffer size    = 131072 (kb)

B L U E T O O T H   S E T T I N G S

Bluetooth ver        = 5.50
Bluealsa ver        = 2.0.0
Speaker sharing        = No
Resume MPD        = No
PCM buffer time        = 500000 (µs)

A I R P L A Y   S E T T I N G S

Version            = 3.3.5
Friendly name        = Moode Airplay
ALSA device        = hw:1
Interpolation        = soxr
Output bit depth    = S32
Output sample rate    = 352800
Session interruption    = no
Session timeout        = 120 (ms)
Latency offset        = 0.0 (secs)
Audio buffer        = 0.2 (secs)
Resume MPD        = No

S P O T I F Y   S E T T I N G S

Friendly name        = Moode Spotify
ALSA device        = plughw:1
Bit rate        = 160
Initial volume        = 0
Volume curve        = Logarithmic
Volume normalization    = No
Normalization pregain    = 0
Resume MPD        = No

S Q U E E Z E L I T E   S E T T I N G S

Version            = 1.8.7-1052 "DSD/SRC enabled"
Friendly name        = Moode
ALSA device        = hw:0
ALSA params        = 80:4::1
Output buffers        = 40000:100000
Task priority        = 45
Codec list        = flac,pcm,mp3,ogg,aac,alac,dsd
Other options        = -W -D 500 -R E -S /var/local
Resume MPD        = No

L O C A L   D I S P L A Y   S E T T I N G S

Local UI display    = Off
Mouse cursor        = On
Screen blank        = 600 Secs
Wake display on play    = Off
Brightness        = 255
Pixel aspect ratio    = Default
Rotate screen        = 0 Deg

M O O D E   S T A R T U P   L O G

20200211 221731 worker: -- Start
20200211 221731 worker: Successfully daemonized
20200211 221731 worker: Integrity check (passed)
20200211 221731 worker: Session loaded
20200211 221731 worker: Debug logging (off)
20200211 221732 worker: Device raw: Card0 (ALSA) | Card1 (D50) | I2Sdev (none)
20200211 221732 worker: Device cfg: Name (USB audio device) | Card (1) | MPDdev (1) | Mixer (D50) | Alsavol: (none)
20200211 221732 worker: ALSA volume (None)
20200211 221732 worker: -- System
20200211 221735 worker: Host name     (moode)
20200211 221735 worker: moOde release (6.4.0 2019-11-24)
20200211 221735 worker: Raspbian OS   (10.2)
20200211 221735 worker: Linux kernel  (4.19.83-v7+ #1277)
20200211 221735 worker: Platform      (Pi-3B+ 1GB v1.3)
20200211 221735 worker: Architecture  (armv7l)
20200211 221735 worker: MPD version   (0.21.16)
20200211 221735 worker: CPU governor  (performance)
20200211 221735 worker: USB boot enabled
20200211 221736 worker: File system expanded
20200211 221736 worker: HDMI port off
20200211 221737 worker: File check (OK)
20200211 221737 worker: -- Network
20200211 221737 worker: eth0 exists
20200211 221737 worker: eth0 address not assigned
20200211 221737 worker: wlan0 exists
20200211 221737 worker: wifi country (IT)
20200211 221737 worker: wlan0 trying SSID (Vodafone-47140505)
20200211 221737 worker: IP addr (192.168.1.6)
20200211 221737 worker: Netmask (255.255.255.0)
20200211 221737 worker: Gateway (192.168.1.1)
20200211 221737 worker: Pri DNS (192.168.1.1)
20200211 221737 worker: Domain  (station)
20200211 221738 worker: -- Audio
20200211 221738 worker: ALSA outputs unmuted
20200211 221738 worker: ALSA card number (1)
20200211 221738 worker: Audio output (USB audio device)
20200211 221738 worker: Audio formats (Unable to determine formats)
20200211 221739 worker: ALSA mixer name (D50)
20200211 221739 worker: MPD volume control (software)
20200211 221739 worker: Hdwr volume controller not detected
20200211 221739 worker: -- Services
20200211 221739 worker: Reset renderer active state
20200211 221739 worker: MPD conf updated
20200211 221739 worker: MPD started
20200211 221740 worker: MPD accepting connections
20200211 221740 worker: Configure MPD outputs
20200211 221740 worker: MPD output 1 ALSA default (on)
20200211 221740 worker: MPD output 2 ALSA crossfeed (off)
20200211 221740 worker: MPD output 3 ALSA parametric eq (off)
20200211 221740 worker: MPD output 4 ALSA graphic eq (off)
20200211 221740 worker: MPD output 5 ALSA polarity inversion (off)
20200211 221740 worker: MPD output 6 ALSA bluetooth (off)
20200211 221740 worker: MPD output 7 HTTP stream (off)
20200211 221740 worker: MPD crossfade (off)
20200211 221740 worker: Audio source (Local)
20200211 221740 worker: Output device (Local)
20200211 221740 worker: Airplay receiver started
20200211 221740 worker: USB auto-mounter (udisks-glue)
20200211 221740 worker: -- Music sources
20200211 221740 worker: USB source (saitama)
20200211 221740 worker: NAS and UPnP sources (none configured)
20200211 221740 worker: -- Miscellaneous
20200211 221740 worker: Saved MPD vol level (0)
20200211 221740 worker: Preamp volume level (0)
20200211 221740 worker: MPD volume level (100) restored
20200211 221740 worker: ALSA volume level (None)
20200211 221740 worker: Auto-play (Off)
20200211 221740 worker: Maintenance interval (6 hrs)
20200211 221740 worker: Screen saver activation (Never)
20200211 221740 worker: Session permissions (OK)
20200211 221741 worker: Watchdog started
20200211 221741 worker: Ready
20200211 221741 watchdog: PHP session permissions (reapplied)
20200211 221802 watchdog: PHP session permissions (reapplied)
20200211 221802 watchdog: INFO Audio output is (closed)
20200211 221808 watchdog: PHP session permissions (reapplied)
20200211 221814 watchdog: PHP session permissions (reapplied)
20200211 221820 watchdog: PHP session permissions (reapplied)
20200211 221826 watchdog: PHP session permissions (reapplied)
20200211 221833 watchdog: PHP session permissions (reapplied)
20200211 221839 watchdog: PHP session permissions (reapplied)
20200211 221845 watchdog: PHP session permissions (reapplied)
20200211 221851 watchdog: PHP session permissions (reapplied)
20200211 221851 worker: Job updmpddb
20200211 221857 watchdog: PHP session permissions (reapplied)
20200211 221903 watchdog: PHP session permissions (reapplied)
20200211 221909 watchdog: PHP session permissions (reapplied)
20200211 221915 watchdog: PHP session permissions (reapplied)
20200211 221921 watchdog: PHP session permissions (reapplied)
20200211 221928 watchdog: PHP session permissions (reapplied)
20200211 221934 watchdog: PHP session permissions (reapplied)
20200211 221940 watchdog: PHP session permissions (reapplied)
20200211 221946 watchdog: PHP session permissions (reapplied)
20200211 221952 watchdog: PHP session permissions (reapplied)
20200211 221952 watchdog: INFO Audio output is (in use)
20200211 221958 watchdog: PHP session permissions (reapplied)
20200211 221958 watchdog: INFO Audio output is (in use)
20200211 222004 watchdog: PHP session permissions (reapplied)
20200211 222010 watchdog: PHP session permissions (reapplied)
20200211 222016 watchdog: PHP session permissions (reapplied)
20200211 222023 watchdog: PHP session permissions (reapplied)
20200211 222029 watchdog: PHP session permissions (reapplied)
20200211 222035 watchdog: PHP session permissions (reapplied)
20200211 222041 watchdog: PHP session permissions (reapplied)
20200211 222047 watchdog: PHP session permissions (reapplied)
20200211 222053 watchdog: PHP session permissions (reapplied)
20200211 222059 watchdog: PHP session permissions (reapplied)
20200211 222105 watchdog: PHP session permissions (reapplied)
20200211 222111 watchdog: PHP session permissions (reapplied)
20200211 222117 watchdog: PHP session permissions (reapplied)
20200211 222123 watchdog: PHP session permissions (reapplied)
20200211 222130 watchdog: PHP session permissions (reapplied)
20200211 222136 watchdog: PHP session permissions (reapplied)
20200211 222142 watchdog: PHP session permissions (reapplied)
20200211 222148 watchdog: PHP session permissions (reapplied)
20200211 222154 watchdog: PHP session permissions (reapplied)
20200211 222200 watchdog: PHP session permissions (reapplied)
20200211 222206 watchdog: PHP session permissions (reapplied)
20200211 222212 watchdog: PHP session permissions (reapplied)
20200211 222218 watchdog: PHP session permissions (reapplied)
20200211 222224 watchdog: PHP session permissions (reapplied)
20200211 222231 watchdog: PHP session permissions (reapplied)
20200211 222237 watchdog: PHP session permissions (reapplied)
20200211 222243 watchdog: PHP session permissions (reapplied)
20200211 222249 watchdog: PHP session permissions (reapplied)
20200211 222255 watchdog: PHP session permissions (reapplied)
20200211 222301 watchdog: PHP session permissions (reapplied)
20200211 222307 watchdog: PHP session permissions (reapplied)
20200211 222313 watchdog: PHP session permissions (reapplied)
20200211 222319 watchdog: PHP session permissions (reapplied)
20200211 222325 watchdog: PHP session permissions (reapplied)
20200211 222332 watchdog: PHP session permissions (reapplied)
20200211 222338 watchdog: PHP session permissions (reapplied)
20200211 222344 watchdog: PHP session permissions (reapplied)
20200211 222350 watchdog: PHP session permissions (reapplied)
20200211 222356 watchdog: PHP session permissions (reapplied)
20200211 222402 watchdog: PHP session permissions (reapplied)
20200211 222408 watchdog: PHP session permissions (reapplied)
20200211 222414 watchdog: PHP session permissions (reapplied)
20200211 222414 watchdog: INFO Audio output is (closed)
20200211 222420 watchdog: PHP session permissions (reapplied)


RE: Popping sound during playback - Tim Curtis - 02-11-2020

Might be related to this MPD issue
https://github.com/MusicPlayerDaemon/MPD/issues/262