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Author Topic: sound is muted for a few seconds at random during playback [Solved]  (Read 3014 times)

pluto7

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sound is muted for a few seconds at random during playback, this happens at the moment with sacd iso 96khz 24bit, flac. playing in standard view. no errors are given. happens anywhere from beginning to end of the song. at the moment it reoccurred once an hour.
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pluto7

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Re: sound is muted for a few seconds at random during playback
« Reply #1 on: September 23, 2013, 01:54:35 pm »

sound is still falling away for a second, not sure if the music is continuous or if it stops, for that second or so. have tried increasing buffering for the device settings but that did not help, turned on option play from memory see if that helps.
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pluto7

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Re: sound is muted for a few seconds at random during playback
« Reply #2 on: September 24, 2013, 02:16:15 pm »

mc19 is not working properly with playback without the option playback from memory on. cannot remember having this problem before. running from local hard drive. output mode WASAPI, USB connected to preamp classe cp800. tried 250ms and 500ms buffering 250ms did not help and with 500ms I am getting no sound at all.
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HiFiTubes

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Re: sound is muted for a few seconds at random during playback
« Reply #3 on: September 25, 2013, 11:22:24 am »

What's your system spec? Use the help menu and it can even generate a Jmark score to help assess how robust your system is.

You are getting random dropouts or between track changes?


Cheers
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HTPC4ME

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Re: sound is muted for a few seconds at random during playback
« Reply #4 on: September 25, 2013, 11:45:17 am »

Pluto, if you hit pause immediately after playback, then hit pause again. does audio start?
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pluto7

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Re: sound is muted for a few seconds at random during playback
« Reply #5 on: September 29, 2013, 04:03:47 am »

=== Running Benchmarks (please do not interrupt) ===

Running 'Math' benchmark...
    Single-threaded integer math... 5,743 seconds
    Single-threaded floating point math... 2,436 seconds
    Multi-threaded integer math... 1,722 seconds
    Multi-threaded mixed math... 0,788 seconds
Score: 1777

Running 'Image' benchmark...
    Image creation / destruction... 0,399 seconds
    Flood filling... 0,729 seconds
    Direct copying... 0,723 seconds
    Small renders... 1,943 seconds
    Bilinear rendering... 1,300 seconds
    Bicubic rendering... 0,979 seconds
Score: 3623

Running 'Database' benchmark...
    Create database... 0,688 seconds
    Populate database... 2,694 seconds
    Save database... 0,816 seconds
    Reload database... 0,238 seconds
    Search database... 1,651 seconds
    Sort database... 1,171 seconds
    Group database... 1,003 seconds
Score: 2603

JRMark (version 19.0.45): 2668

I am getting random dropouts, only with playback from memory turned off, otherwise no problems with playback.
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pluto7

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Re: sound is muted for a few seconds at random during playback
« Reply #6 on: September 29, 2013, 04:09:50 am »

Pluto, if you hit pause immediately after playback, then hit pause again. does audio start?

yes, audio does start.
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Vincent Kars

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Re: sound is muted for a few seconds at random during playback
« Reply #7 on: September 29, 2013, 07:50:18 am »

Test the DPC latency of your system using e.g. http://www.resplendence.com/latencymon
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DoubtingThomas

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Re: sound is muted for a few seconds at random during playback
« Reply #8 on: September 29, 2013, 09:35:06 am »

Pluto7.   I had what sounds like the same issue when I built my current system many years ago.

If your music drive used only for music or is it all on the same disk as your OS?

After trying everything I could think of, what others thought of... Jim finally suggested it might be a disk spin up issue... I was skeptical...  I could count on the audio cutout in about 5 minutes when first starting MC and then random times after that.  

So I made sure my music drive was spun up and presto, no more audio glitches.  I turned on memory playback and never had the problem again.  With memory playback the entire track is loaded into memory at track startup time.

Since then I've got a different hard drive, and a few month ago I turned memory playback off... no more problem.  So my old music hard drive must have been SLOW to spin up and my newer 3tb drive is faster.

If memory playback works for you, I wouldn't worry about it, just leave it on.
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pluto7

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Re: sound is muted for a few seconds at random during playback
« Reply #9 on: September 30, 2013, 12:32:32 pm »

I have an completely new up to date system

AMD 8150FX 8 core processor x64
gskill 1866 ripjaws cl8 16GB [4x4GB]
seagate 1x 1TB 7200rpm OS
seagate 2x 3TB 7200rpm data
asrock 990FX extreme 4 mainbord
windows 7 x64 ultimate

I cannot believe that the cause of this problem is my system.

I will try the latency test but I personally think it will be a waste of time.

the problem only exists with memory playback turned off. but it is advised to turn this off because it is not necessary to be used.
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HTPC4ME

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Re: sound is muted for a few seconds at random during playback
« Reply #10 on: September 30, 2013, 12:52:00 pm »

Quote
I cannot believe that the cause of this problem is my system.
Reason i asked was, because the last few versions in 19. we have had the same problem.  with Tv and all video. hit play nothing comes out(audio), hit pause, then play again then we get audio.
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pluto7

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Re: sound is muted for a few seconds at random during playback
« Reply #11 on: October 02, 2013, 09:13:20 am »

I ran the test here are the results
Code: [Select]

_________________________________________________________________________________________________________
CONCLUSION
_________________________________________________________________________________________________________
Your system seems to have difficulty handling real-time audio and other tasks. You may experience drop outs, clicks or pops due to buffer underruns. One problem may be related to power management, disable CPU throttling settings in Control Panel and BIOS setup. Check for BIOS updates.
LatencyMon has been analyzing your system for  0:01:22  (h:mm:ss) on all processors.


_________________________________________________________________________________________________________
SYSTEM INFORMATION
_________________________________________________________________________________________________________
Computer name:                                        AUDIO
OS version:                                           Windows 7 Service Pack 1, 6.1, build: 7601 (x64)
Hardware:                                             ASRock, 990FX Extreme4
CPU:                                                  AuthenticAMD AMD FX(tm)-8150 Eight-Core Processor
Logical processors:                                   8
Processor groups:                                     1
RAM:                                                  16338 MB total


_________________________________________________________________________________________________________
CPU SPEED
_________________________________________________________________________________________________________
Reported CPU speed:                                   3592,0 MHz
Measured CPU speed:                                   1339,0 MHz (approx.)

Note: reported execution times may be calculated based on a fixed reported CPU speed. Disable variable speed settings like Intel Speed Step and AMD Cool N Quiet in the BIOS setup for more accurate results.


_________________________________________________________________________________________________________
MEASURED INTERRUPT TO USER PROCESS LATENCIES
_________________________________________________________________________________________________________
The interrupt to process latency reflects the measured interval that a usermode process needed to respond to a hardware request from the moment the interrupt service routine started execution. This includes the scheduling and execution of a DPC routine, the signaling of an event and the waking up of a usermode thread from an idle wait state in response to that event.

Highest measured interrupt to process latency (µs):   1864,280388
Average measured interrupt to process latency (µs):   8,074646

Highest measured interrupt to DPC latency (µs):       403,357301
Average measured interrupt to DPC latency (µs):       3,683351


_________________________________________________________________________________________________________
MEASURED SMI, IPI AND CPU STALLS
_________________________________________________________________________________________________________
The SMI, IPI and CPU stalls value represents the highest measured interval that a CPU did not respond while having its maskable interrupts disabled.

Highest measured SMI or CPU stall (µs)                11,687385


_________________________________________________________________________________________________________
 REPORTED ISRs
_________________________________________________________________________________________________________
Interrupt service routines are routines installed by the OS and device drivers that execute in response to a hardware interrupt signal.

Highest ISR routine execution time (µs):              89,779510
Driver with highest ISR routine execution time:       USBPORT.SYS - Poortstuurprogramma voor USB 1.1 en 2.0, Microsoft Corporation

Highest reported total ISR routine time (%):          0,057761
Driver with highest ISR total time:                   hal.dll - Hardware Abstraction Layer DLL, Microsoft Corporation

Total time spent in ISRs (%)                          0,090450

ISR count (execution time <250 µs):                   110772
ISR count (execution time 250-500 µs):                0
ISR count (execution time 500-999 µs):                0
ISR count (execution time 1000-1999 µs):              0
ISR count (execution time 2000-3999 µs):              0
ISR count (execution time >=4000 µs):                 0


_________________________________________________________________________________________________________
REPORTED DPCs
_________________________________________________________________________________________________________
DPC routines are part of the interrupt servicing dispatch mechanism and disable the possibility for a process to utilize the CPU while it is interrupted until the DPC has finished execution.

Highest DPC routine execution time (µs):              409,1250
Driver with highest DPC routine execution time:       USBPORT.SYS - Poortstuurprogramma voor USB 1.1 en 2.0, Microsoft Corporation

Highest reported total DPC routine time (%):          0,185742
Driver with highest DPC total execution time:         USBPORT.SYS - Poortstuurprogramma voor USB 1.1 en 2.0, Microsoft Corporation

Total time spent in DPCs (%)                          0,546654

DPC count (execution time <250 µs):                   577991
DPC count (execution time 250-500 µs):                0
DPC count (execution time 500-999 µs):                4
DPC count (execution time 1000-1999 µs):              0
DPC count (execution time 2000-3999 µs):              0
DPC count (execution time >=4000 µs):                 0


_________________________________________________________________________________________________________
 REPORTED HARD PAGEFAULTS
_________________________________________________________________________________________________________
Hard pagefaults are events that get triggered by making use of virtual memory that is not resident in RAM but backed by a memory mapped file on disk. The process of resolving the hard pagefault requires reading in the memory from disk while the process is interrupted and blocked from execution.

NOTE: some processes were hit by hard pagefaults. If these were programs producing audio, they are likely to interrupt the audio stream resulting in dropouts, clicks and pops. Check the Processes tab to see which programs were hit.

Process with highest pagefault count:                 svchost.exe

Total number of hard pagefaults                       58
Hard pagefault count of hardest hit process:          36
Highest hard pagefault resolution time (µs):          281268,378062
Total time spent in hard pagefaults (%):              0,184437
Number of processes hit:                              2


_________________________________________________________________________________________________________
 PER CPU DATA
_________________________________________________________________________________________________________
CPU 0 Interrupt cycle time (s):                       6,080990
CPU 0 ISR highest execution time (µs):                85,903675
CPU 0 ISR total execution time (s):                   0,400007
CPU 0 ISR count:                                      84506
CPU 0 DPC highest execution time (µs):                265,087695
CPU 0 DPC total execution time (s):                   1,224183
CPU 0 DPC count:                                      450008
_________________________________________________________________________________________________________
CPU 1 Interrupt cycle time (s):                       4,024270
CPU 1 ISR highest execution time (µs):                82,329065
CPU 1 ISR total execution time (s):                   0,016614
CPU 1 ISR count:                                      2293
CPU 1 DPC highest execution time (µs):                276,301225
CPU 1 DPC total execution time (s):                   0,188618
CPU 1 DPC count:                                      10302
_________________________________________________________________________________________________________
CPU 2 Interrupt cycle time (s):                       2,647818
CPU 2 ISR highest execution time (µs):                78,541481
CPU 2 ISR total execution time (s):                   0,022710
CPU 2 ISR count:                                      2974
CPU 2 DPC highest execution time (µs):                200,186247
CPU 2 DPC total execution time (s):                   0,255507
CPU 2 DPC count:                                      14788
_________________________________________________________________________________________________________
CPU 3 Interrupt cycle time (s):                       3,178163
CPU 3 ISR highest execution time (µs):                83,648107
CPU 3 ISR total execution time (s):                   0,018430
CPU 3 ISR count:                                      2562
CPU 3 DPC highest execution time (µs):                241,115813
CPU 3 DPC total execution time (s):                   0,200332
CPU 3 DPC count:                                      11019
_________________________________________________________________________________________________________
CPU 4 Interrupt cycle time (s):                       2,553414
CPU 4 ISR highest execution time (µs):                58,496938
CPU 4 ISR total execution time (s):                   0,022059
CPU 4 ISR count:                                      3042
CPU 4 DPC highest execution time (µs):                181,723274
CPU 4 DPC total execution time (s):                   0,331049
CPU 4 DPC count:                                      21091
_________________________________________________________________________________________________________
CPU 5 Interrupt cycle time (s):                       3,279798
CPU 5 ISR highest execution time (µs):                80,881682
CPU 5 ISR total execution time (s):                   0,019214
CPU 5 ISR count:                                      2702
CPU 5 DPC highest execution time (µs):                294,958241
CPU 5 DPC total execution time (s):                   0,212756
CPU 5 DPC count:                                      11637
_________________________________________________________________________________________________________
CPU 6 Interrupt cycle time (s):                       2,587540
CPU 6 ISR highest execution time (µs):                49,401169
CPU 6 ISR total execution time (s):                   0,025725
CPU 6 ISR count:                                      3580
CPU 6 DPC highest execution time (µs):                230,383352
CPU 6 DPC total execution time (s):                   0,299821
CPU 6 DPC count:                                      18113
_________________________________________________________________________________________________________
CPU 7 Interrupt cycle time (s):                       4,024176
CPU 7 ISR highest execution time (µs):                89,779510
CPU 7 ISR total execution time (s):                   0,070018
CPU 7 ISR count:                                      9113
CPU 7 DPC highest execution time (µs):                409,1250
CPU 7 DPC total execution time (s):                   0,882401
CPU 7 DPC count:                                      41037
_________________________________________________________________________________________________________
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kstuart

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Re: sound is muted for a few seconds at random during playback
« Reply #12 on: October 02, 2013, 03:56:38 pm »

Did you read it ?   After only 92 seconds, it decided:

" Your system seems to have difficulty handling real-time audio and other tasks. You may experience drop outs, clicks or pops due to buffer underruns. One problem may be related to power management, disable CPU throttling settings in Control Panel and BIOS setup. Check for BIOS updates. "

pluto7

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Re: sound is muted for a few seconds at random during playback
« Reply #13 on: October 03, 2013, 02:30:07 am »

yes I did read it. I have tried everything and nothing helped. the software "latency mon" gave that message directly after starting up jriver. the latency monitor also screws up my system, my mouse had decided it was going to work with new rules. again I have one of the fastest sytems available including my sdram dd3 1866 cl8  4x4GB an very modern motherboard Asrock fx990 extreme 4 and processor amd FX8150. but I will keep my playback from memory on in MC I am not experiencing any problems then.
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kstuart

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Re: sound is muted for a few seconds at random during playback
« Reply #14 on: October 03, 2013, 09:53:43 pm »

Uh.... did you try its suggestion - " disable CPU throttling settings in Control Panel and BIOS setup " ?

pluto7

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Re: sound is muted for a few seconds at random during playback
« Reply #15 on: October 06, 2013, 09:41:39 am »

I re-installed windows, it seems to be solved.
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