Dpc latency checker как пользоваться?

Решение проблемы с заеданием звука

Довольно часто пользователи ноутбуков и компьютеров сталкиваются с тем, что при воспроизведении музыки или видео у них заедает звук, слышны посторонние щелчки или хрип. В данной статье подробно расписано как можно избавиться от данных проблем.

Решение проблем со звуком

В первую очередь стоит определить чем вызваны дефекты воспроизведения звука. Они могут вызываться как аппаратной частью, так и программной. Лучшим способом проверить это является запуск LiveCD с Ubuntu.

Если в Ubuntu Linux проявляются те же проблемы с воспроизведением звука или видео, то скорей-всего они носят аппаратный характер. Иными словами, для их решения придется отдавать ноутбук в сервисный центр или пробовать починить его самостоятельно. Поскольку это очень обширная тема, то останавливаться на ней не буду.

А вот если в Ubuntu все хорошо, то это значит, что проблема в Windows и драйверах к ней. Рассмотрим данный случай подробней.

В первую очередь стоит проверить включено ли кеширование и DMA. Даже если включение тех опций не поможет решить проблему со звуком, то все равно это позволит повысить производительность системы.

И так. Если вам не помогло включение кеширования и DMA или вы таких опций не нашли, то следующим шагом является обновление драйверов на звук и на прочие устройства. Зачастую в щелчках и притормаживаниях звука виноваты драйверы на звук, на сетевые карты и на Wi-Fi адаптеры.

В некоторых случаях в проблемах со звуком виноваты технологии улучшения звука Dolby. Они присутствуют не на всех ноутбуках. Если вам не помогло обновление драйверов на звук и сетевую карту, то можно попробовать отключить и эти технологии. Они доступны через свойства Динамиков:

Если меры, которые были изложены выше, не помогли, то пробуем обновить набор кодеков. Я рекомендую эти: скачать / скачать.

На ноутбуках с видеокартами nVidia можно попробовать отключить технологию nVidia PowerMizer. Это можно сделать с помощью утилиты PowerMizer Switch. Скачать ее можно по данным ссылкам: скачать / скачать.

Также стоит проверить не перегревается ли ноутбук или компьютер.

Иногда проблемы со звуком вызваны недоработками в BIOS. Попробуйте его обновить. Процедура обновления отличается от одной модели ноутбука к другой. Часто подробные инструкции по обновлению BIOS содержатся в архиве с самим BIOS и программой для перепрошивки.

Если все вышеприведенные советы вам не помогли, то существует более сложный способ, который позволяет более точно определить «виновника торжества».

Решение проблем со звуком с помощью DPC Latency Checker

Для начала нам нужно скачать утилиту DPC Latency Checker (скачать). Эта утилита с определенным интервалом времени измеряет задержку выполнения отложенных процедур. Иными словами — насколько быстро будет обработаны данные. Если задержка большая, то при воспроизведении музыки или видео нужные данные просто не обрабатываются вовремя. Из-за этого и возникают заедания и хрипы.

И так, запустили программу и видим примерно такую картину:

Если включить музыку или видео, то можно заметить, что заедания, щелчки и хрипы возникают, когда столбики красные. Красные столбики означают большую задержку обработки данных. Это значит, что некоторые звуки или кадры видео просто не успевают вовремя обработаться процессором. В результате получаются различные ошибки воспроизведения звука и видео. Наша задача состоит в том, чтобы избавиться от красных столбиков.

В большинстве случаев большая задержка отложенного вызова процедур связана с неправильно работающими драйверами. В первую очередь это драйверы для сетевых карт, Wi-Fi-адаптеров и, собственно, драйверы на звук. Далее идут драйверы на Intel Turbo Memory (если такой адаптер есть), драйверы для видеокарты и чипсета.

Важное замечание: сама величина задержки (высота столбика) напрямую зависит от мощности и загруженности процессора. Наличие большого числа красных столбиков может быть вполне нормальным явлением при сильной загрузке процессора.

Как же определить какой драйвер неправильно работает? Все просто: открываете Диспетчер устройств и по очереди отключаете устройства:

Принцип простой: отключили устройство — посмотрели есть ли красные столбики в утилите DPC Latency Checker. Если есть, то обратно включаете устройство и отключаете следующее. Включить устройство можно аналогично через меню:

Вот, например, как выглядит главное окно утилиты DPC Latency Checker после отключения Wi-Fi адаптера (на картинке выше):

Разница на лицо. Очевидно, что большие задержки (красные столбики) вызывал драйвер для Wi-Fi адаптера. Чтобы избавиться от красных столбиков и как следствие проблем со звуком, стоит, в моем случае, обновить драйвера для Wi-Fi-адаптера. В вашем случае виноватым может быть другой драйвер. Его вы должны определить по методике выше.

И так. Драйвер, который вызывает проблему, найден.

windows 10 высокое dpc latency (проблемы со звуком (хрипы задержки подтормаживания. ))

Приветствую всех, кто это читает.

Испытывал и кажется все еще испытываю проблемы со звуком (хрипы притормаживания, не частые и не сильно заметные, вроде бы проблема решилась заменой интеловских драйверов чипсета и сменой плана электропитания на макс произв-ть. но значения как мне кажется все еще высокие. по звуковым лагам пока не понял остались или нет. скажите это вообще нормальные значения или нет, и если нет, то как лечить? звук audigy se и риалтек alc892 кажется, пробовал и выключать встройкуудалять драйвера тоже — не помогало. на 8-ке и 7-ке я так усердно конечно не искал причину, потому что там не было такой проблемы. ужс какой то просто. перерыл уже тонну форумов, в том числе англоязычных. как то не нашел решения до сих пор. или для Audigy SE такие значения нормальны, т.к с нее идет нагрузка на проц? биос тоже затер уже до дыр — все варианты пробовал, все что может на это влиять.

CONCLUSION
_________________________________________________________________________________________________________
Your system appears to be suitable for handling real-time audio and other tasks without dropouts.
LatencyMon has been analyzing your system for 3:07:36 (h:mm:ss) on all processors.

_________________________________________________________________________________________________________
SYSTEM INFORMATION
_________________________________________________________________________________________________________
Computer name: XZXGLADXPWNZXZX
OS version: Windows 8 , 6.2, build: 9200 (x64)
Hardware: Z87-HD3, Gigabyte Technology Co., Ltd.
CPU: GenuineIntel Intel(R) Core(TM) i5-4670K CPU @ 3.40GHz
Logical processors: 4
Processor groups: 1
RAM: 8077 MB total

_________________________________________________________________________________________________________
CPU SPEED
_________________________________________________________________________________________________________
Reported CPU speed: 3392 MHz
Measured CPU speed: 1 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.

WARNING: the CPU speed that was measured is only a fraction of the CPU speed reported. Your CPUs may be throttled back due to variable speed settings and thermal issues. It is suggested that you run a utility which reports your actual CPU frequency and temperature.

_________________________________________________________________________________________________________
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): 993,465347
Average measured interrupt to process latency (µs): 1,841594

Highest measured interrupt to DPC latency (µs): 499,600471
Average measured interrupt to DPC latency (µs): 0,753371

_________________________________________________________________________________________________________
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): 214,977005
Driver with highest ISR routine execution time: portcls.sys — Port Class (Class Driver for Port/Miniport Devices), Microsoft Corporation

Highest reported total ISR routine time (%): 0,388590
Driver with highest ISR total time: portcls.sys — Port Class (Class Driver for Port/Miniport Devices), Microsoft Corporation

Total time spent in ISRs (%) 0,421730

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): 604,310731
Driver with highest DPC routine execution time: ndis.sys — NDIS (Network Driver Interface Specification), Microsoft Corporation

Highest reported total DPC routine time (%): 0,224882
Driver with highest DPC total execution time: P17.sys — WDM Audio Miniport (Basic) Driver, Creative Technology Ltd.

Total time spent in DPCs (%) 0,501608

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.

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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: pnkbstrb.exe

Total number of hard pagefaults 129698
Hard pagefault count of hardest hit process: 69378
Highest hard pagefault resolution time (µs): 2460343,576356
Total time spent in hard pagefaults (%): 0,794481
Number of processes hit: 94

_________________________________________________________________________________________________________
PER CPU DATA
_________________________________________________________________________________________________________
CPU 0 Interrupt cycle time (s): 552,057715
CPU 0 ISR highest execution time (µs): 214,977005
CPU 0 ISR total execution time (s): 189,325036
CPU 0 ISR count: 12549757
CPU 0 DPC highest execution time (µs): 526,383255
CPU 0 DPC total execution time (s): 207,067502
CPU 0 DPC count: 56438020
_________________________________________________________________________________________________________
CPU 1 Interrupt cycle time (s): 66,880266
CPU 1 ISR highest execution time (µs): 111,182488
CPU 1 ISR total execution time (s): 0,556167
CPU 1 ISR count: 218406
CPU 1 DPC highest execution time (µs): 559,485259
CPU 1 DPC total execution time (s): 9,612842
CPU 1 DPC count: 1350468
_________________________________________________________________________________________________________
CPU 2 Interrupt cycle time (s): 77,951643
CPU 2 ISR highest execution time (µs): 7,590212
CPU 2 ISR total execution time (s): 0,000543
CPU 2 ISR count: 429
CPU 2 DPC highest execution time (µs): 475,001179
CPU 2 DPC total execution time (s): 3,588524
CPU 2 DPC count: 736762
_________________________________________________________________________________________________________
CPU 3 Interrupt cycle time (s): 86,862957
CPU 3 ISR highest execution time (µs): 7,351415
CPU 3 ISR total execution time (s): 0,000046
CPU 3 ISR count: 13
CPU 3 DPC highest execution time (µs): 604,310731
CPU 3 DPC total execution time (s): 5,577311
CPU 3 DPC count: 937798
_________________________________________________________________________________________________________

включен торрент. ппц, дрова на сетевуху менял на различные.

The case of DPC latency

4 Apr 2014 6:46am at September 13, 2019 • by CarvedInside • in Articles • 44

1. What is DPC latency

«If any kernel-mode device driver in your Windows system is implemented improperly and causes excessive latencies of Deferred Procedure Calls (DPCs) then probably drop-outs will occur when you use real-time audio or video streaming applications» — http://www.thesycon.de/eng/latency_check.shtml

Basically, if your system has a high DPC latency and you are watching a movie your audio/video will pause or skip for a couple of seconds. If you were to also run a P2P application while you are watching a movie, this would lead to a very bad movie experience, audio/video desynchronizations occurring many times during playtime. The same will happen when you play a game.

These audio/video dropouts will occur regardless if you have a single-core Pentium 4 2.4 GHz processor or a quad-core Core i7. Bad coding of the drivers is usually the fault for high and very high DPC latency.

The DPC latency varies depending on the applications you are running (foreground and background). It’s mostly influenced by audio data streams, video data streams and network activity (wireless, ethernet, bluetooth), but that’s not all, for example mouse movement also causes DPC latency to rise.

Contents

What is DPC latency

How to check DPC latency

DPC Latency tests and results

Tips & tweaks for reducing DPC latency

Page updates

  • 13 Sep 2019:Added tip no. 7 to 4.Tips & tweaks for reducing DPC latency
  • 24 Jul 2016: Article updated
  • 16 Mar 2012: Added some quick tips to 4.Tips & tweaks in reducing DPC latency
  • 11 Aug 2010 : Added Win 7 & Asio results to 3.1 chapter (draft version)
  • 3 Aug 2010 : First Revision

2. How to check DPC latency

For Windows XP, Windows Vista, Windows 7, Windows Server 2003, Windows Server 2008 use DPC Latency Checker or LatencyMon.

For Windows 8, Windows 8.1, Windows 10, Windows Server 2012, Windows Server 2016 use LatencyMon.

DPC Latency Checker measures DPC latency of the overall system. LatencyMon measures DPC latency of the overall system and of individual drivers.

3. DPC Latency tests and results

DPC latency tests done on the following configuration: Core 2 Duo 8400 3.0 GHz, DFI LP UT P35 motherboard,Marvell 1 GB Lan onboard, Realtek ALC885 audio onboard, 2×2 GB Ram, ATI HD 3870 video card, Asus Xonar DX sound card, Windows XP x64 (sp2), Windows 7 x64(sp1), DPC Latency Checker.

3.1 Asus Xonar DX and Realtek ALC885 audio drivers DPC latency tests

The tests where done with 5.1 channel/44.1KHz settings except the cases where there are other settings specified. For comparison I also tested my on-board audio card Realtek ALC885 with Realtek HD 2.50 driver

Results interpretation

Values are approximates. Values between 0-300µs are good, 300-500µs are OK, 500-1000µs are bad and values >1000us are terrible.

Don’t compare Windows XP results with those of Windows 7. Windows 7 is a clean install where Windows XP is fully loaded with programs. After closing the programs that where running in the background, such as Rainmeter, the results for Uni Xonar low DPC latency on XP where 68 µs .

The results

As you can see Realtek did a pretty good job with their drivers, the differences are enormous between Realtek and ASUS/C-MEDIA drivers with the same settings. For those of you who don’t know, I made a version of the Xonar drivers (UNi Xonar low DPC latency) which disables Asus Audio Center from startup, resulting in a lower DPC latency at

120µs . This doesn’t mean that if you disable autostartup for Realtek Panel you will get better results. ASUS Xonar drivers are special and issues pop-up where they shouldn’t.

3.2 Network activity impact on DPC latency

Here are 2 examples where increased network activity rises DPC latency

a) µtorrent — network usage: 10 KBps Download, 310 KBps Upload

b) µtorrent — network usage: 4,5 MBps Download, 300 KBps Upload

4. Tips & tweaks for reducing DPC latency

If you have problems with high DPC latency, here are some quick tips that can lower it:

  1. Update your drivers (especially audio, network LAN, WiFi, Bluetooth, TV tuner). Try searching for them on the original chip manufacturer and not on the motherboard manufacturers page.
  2. Disable unused components like LAN, onboard audio card, Bluetooth etc. via BIOS or Device Manager (in Windows Run or Search type devmgmt.msc or right click on Computer->select Manage->select Device Manager)
  3. Disable any motherboard/CPU monitors that autostart with Windows (like GigaByte EasyTune, ASUS AI Probe and so on)
  4. Disable High Precision Event Timer (HPET) if you are using Windows Vista/7/8/10.
  5. Update your motherboard BIOS to the latest version.
  6. Update Windows.
  7. Avoid IRQ sharing between devices by changing the interrupt mode to MSI for some of those devices, see info here.

Some good tips in regards to updating drivers and different performance enhancements can be read here (by Von Dach).

  • Windows XP, Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10, Windows Server 2008, Windows Server 2012, Windows Server 2016 and Windows Server 2019

Dpc latency checker как пользоваться?

I have a high DPC problem and sound is crackling and there’s stutter and weird behavior on my computer. After running LatencyMon, there are 2 things that have high latency, dxgkrnl.sys and HDAudBus.sys. Also, Wdf01000.sys has really high (actually the highest) ISR count (ISR meaning «Interrupt Service Routine»).

Now, i reinstalled Windows (the creator’s edition since this is the one the Microsoft Tool downloads), i reinstalled GPU drivers, sound drivers, network drivers and the problem insists. When 1st booting into Windows right after the installation is complete, while windows installs a (probably) generic Sound driver, the sound is fine despite high latency. But unfortunately that driver doesn’t support many things not only on the speakers but also on the microphone side of things.

Now, I was trying to find information on the Realtek website about the ALC1220 codec and there was absolutely nothing. I tried installing Realtek 2.81 drivers [which are unified drivers and (theoretically) «should» support this model] as i also installed the drivers from the disk that came with my motherboard. I also installed the driver from the Asus website. (these installations were always done after removing the older versions through Device Manager > Uninstall on the device > Delete the driver software for this device)
The problem remains. I have high DPC Latency measuring an excessive +4000μs. I’ve used DPC Latency checker and LatencyMon to identify the drivers having the problem.

My question (and kind request) is this. Do you guys also have any problems with high DPC Latency and if you haven’t measured it, is it too much to ask of you to download and install these programs to check it yourselves? (links are as followed: http://www.thesycon.de/eng/latency_check.shtml http://www.resplendence.com/latencymon)

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I’m really baffled by this. Any help would be greatly appreciated.

Thanks in advance

Man I could have used those tools back when I first installed Windows 10. My audio was a mess.
Think I’ll try these things out.

*update*
I had some things reporting pretty high, so I’m currently in a clean boot, with drivers uninstalled for my audio, gpu, and storage drives. I also lowered my RAM speeds (since I’m still testing RAM timings) and disabled some of my processor power saving features. Going to gradually change these things back and observe any latency changes. There’s a definite change from when I first ran LatencyMon though. Its cut down now to my DPC results looking relatively low
313 tcpip.sys
235 ntoskrnl.exe
167 ndis.sys
Highest ISR execution is only 22 — the wdf01000.sys you mentioned.

DPC Latency Checker looks far less happy though. While LatencyMon is showing the highest value on it as 310, DPC Latency Checker is consistently above 1000.

Going to start re-installing things and turning things back on and watch for changes.

I have a high DPC problem and sound is crackling and there’s stutter and weird behavior on my computer. After running LatencyMon, there are 2 things that have high latency, dxgkrnl.sys and HDAudBus.sys. Also, Wdf01000.sys has really high (actually the highest) ISR count (ISR meaning «Interrupt Service Routine»).

Now, i reinstalled Windows (the creator’s edition since this is the one the Microsoft Tool downloads), i reinstalled GPU drivers, sound drivers, network drivers and the problem insists. When 1st booting into Windows right after the installation is complete, while windows installs a (probably) generic Sound driver, the sound is fine despite high latency. But unfortunately that driver doesn’t support many things not only on the speakers but also on the microphone side of things.

Now, I was trying to find information on the Realtek website about the ALC1220 codec and there was absolutely nothing. I tried installing Realtek 2.81 drivers [which are unified drivers and (theoretically) «should» support this model] as i also installed the drivers from the disk that came with my motherboard. I also installed the driver from the Asus website. (these installations were always done after removing the older versions through Device Manager > Uninstall on the device > Delete the driver software for this device)
The problem remains. I have high DPC Latency measuring an excessive +4000μs. I’ve used DPC Latency checker and LatencyMon to identify the drivers having the problem.

My question (and kind request) is this. Do you guys also have any problems with high DPC Latency and if you haven’t measured it, is it too much to ask of you to download and install these programs to check it yourselves? (links are as followed: http://www.thesycon.de/eng/latency_check.shtml http://www.resplendence.com/latencymon)

I’m really baffled by this. Any help would be greatly appreciated.

Thanks in advance

Same here. DSP latency check is between 4240 and 4270 nanoseconds.

Tested on a fresh install of Windows 10 Pro x64 Creative Update with the Asus’s site support driver.

Try to do a clean boot (https://support.microsoft.com/en-gb/help/929135/how-to-perform-a-clean-boot-in-windows), and then uninstall all of the audio drivers and software. Reboot again with clean boot. Install first the ASUS supplied audio driver and then install the software. Then reboot with normal boot settings (https://support.microsoft.com/en-gb/help/929135/how-to-perform-a-clean-boot-in-windows) and check if corrected.

Thanks for the suggestion, i will do that when i get home.

Man I could have used those tools back when I first installed Windows 10. My audio was a mess.
Think I’ll try these things out.

*update*
I had some things reporting pretty high, so I’m currently in a clean boot, with drivers uninstalled for my audio, gpu, and storage drives. I also lowered my RAM speeds (since I’m still testing RAM timings) and disabled some of my processor power saving features. Going to gradually change these things back and observe any latency changes. There’s a definite change from when I first ran LatencyMon though. Its cut down now to my DPC results looking relatively low
313 tcpip.sys
235 ntoskrnl.exe
167 ndis.sys
Highest ISR execution is only 22 — the wdf01000.sys you mentioned.

DPC Latency Checker looks far less happy though. While LatencyMon is showing the highest value on it as 310, DPC Latency Checker is consistently above 1000.

Going to start re-installing things and turning things back on and watch for changes.

I’m starting to think that there’s some major change in this Windows update that either MS hasn’t notified hardware vendors, or they did so too late and hardware vendors haven’t had the time to support this.

My laptop, an Asus K53SV which has an Intel i7 and an nVIDIA GPU also has DPC problems although they are on the +1000μs range.

Thanks for taking the time to try this yourself. I’ll try some things too when i get home to see if i come up to a result or something.

I’m still playing around with this. I’ve managed to clean up the numbers in LatencyMon quite a bit from when I started. Initially HDAudBus.sys and Wdf01000.sys were getting around 1100. Now they’re staying under 500 most of the time. Though occasionally storport.sys jumps to pretty high numbers.

. The more interesting part though.
In DPC Latency Checker, I’ve been hovering at about 1100 the entire time. For hours now while I’ve been messing with this.
Something I did in the last half hour or so has replicated what you’re describing. First time I’ve seen it, but now when I get into windows, for 30 — 45 seconds it stays at that 1100. Then windows explorer flickers and it jumps to somewhere between 4k — 8k and stays there indefinitely.

I think this is something to do with power settings, but I haven’t been able to get it to go back to how it was before yet.
I was playing around with LLC and CPU voltage right before this started.

So setting my BIOS settings back to my normal settings does indeed increase the peak by about 500 and the average by 300 or so. Which may be partially due to the RAM over-clocking/timing testing that I’m in the middle of.

But what is causing the significant latency spikes in my situation, up into the 6k range, is the Razer Chroma SDK. If I disable that in selective startup, the latency goes away with everything else left the same. I tested this turning it on and off numerous times and rebooting. Consistent result every time.
I also uninstalled Synapse entirely, rebooted, and reinstalled with a fresh download. After installation completed, the moment it launched and loaded my settings, the the DPC latency shot back up.

::edit::
I take that back. It’s not Chroma SDK, it’s Razer Synapse. (which doesn’t load successfully if SDK is disabled) I thought I still had the SDK disabled, but I apparently forgot to turn it back off, it’s been running and my latency was still down.

4000μs. After disabling it, it came down to the normal 7-8μs (when doing absolutely nothing that is. )

I’m still sitting in the 1100 or so range on average, which is tolerable. Would be nice if I could identify some specific piece of the razor software that could be turned off though so I could keep my mouse software on. Feels clunky without the custom DPI settings.

Just as an update incase anyone else ever reads this with a similar issue.

I just found that in my case, with the razer software being the issue. Disabling the DPI sensitivity buttons in the mouse profile drops my DPC latency from 4k to about 15.

I reduced my sensitivity stages to 2, set my favorite sensitivity setting to the same value on both of the stages, and disabled the buttons to change it. Latency issue is completely gone.

The latency issue seems to have gone (at least for the most part) with the latest driver from Realtek. It’s not posted on Realtek’s website yet (i guess they haven’t made an installer package yet), it doesn’t auto-install the Realtek control panel (maybe you can install it on your own but i haven’t tried it). But it DOES install the driver for the sound card as well as the speakers etc (i know, it sounds weird but W10 has the «audio inputs and outputs» section in device manager). You can change the options from the Windows 10 panel though (right click on the speaker etc).

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You can find it here: https://www.tenforums.com/drivers-hardware/5993-latest-realtek-hd-audio-driver-version.html. It’s a CAB file which you unzip and update the driver from the device manager. The driver seems to be WHQL signed and it also seems to support Windows 10 creators update.

I used to have crackling sound with all other Realtek/Asus drivers (except the Microsoft/default one) after the creators update in a specific old game, and it seems it’s now gone.

Anyway, i hope this helps somehow and it doesn’t break someone’s Windows 10 installation 🙂

6 Best Free Latency Checker Software For Windows

Here is a list of best free Latency Checker Software for Windows. Through these software, you can check two types of latency namely, system latency and network latency. System latency checker software analyzes the system to determine whether it can handle real-time audio/video streaming. However, network latency checker software mainly checks the latency occurred in transferring the data between hosts and receivers due to your internet connection. Both types of software help you to know what parameters of either system or network degrade the internet browsing/streaming experience.

System latency checking software analyzes parameters like process latency, ISR routine execution time, DPC routine execution time, etc. In the result, you get system performance graphs and accurate latency values.

The network latency checking software primarily focuses on the latency that occurred due to your internet or broadband connection. These software calculate the propagation time to transfer the data between host and receiver and find out the accurate delay times in milliseconds (ms). Some of these software can also show the latency of websites and servers.

Many of these latency checker software are portable; that means they don’t need installation to work.

My Favorite Latency Checker Software For Windows:

LatencyMon is my favorite system latency checker software because it provides real-time latency result. Plus, a detailed system stats report, that contains a full conclusion, system information, measured interrupts, etc., is provided by it.

SG TCP Optimizer is my favorite network latency monitor because it quickly checks network delay using different hosts. In addition, it also contains tools to optimize the network which can also come in handy.

You can also check out lists of best free Network IP Scanner, PC Health Checker, and Broken Link Checker software for Windows.

LatencyMon

LatencyMon is a free latency checker software for Windows. It checks the system latency to determine whether your PC can handle the real-time audio streaming or not. To check system latency, it first monitors the system in real time and tracks parameters like current and highest interrupt to process latency, highest reported ISR & DPC routine execution times, etc. All of the monitored parameters and their real-time values can be viewed on the interface. Plus, it also displays an evaluated result on the interface that tells about the system capability to handle real-time audio streaming.

In this software, you can stop or restart test again by pressing start or stop monitoring buttons at any time. Plus, to view the complete result with detailed system information, use its stats tab. Besides this, three more tabs named processes (it shows detailed information of all running process), drivers (it shows detailed information of all installed drivers), and CPU’s (it shows ISR and DPC count and execution time of each core) are also available. In general, it is an easy to use latency checker that provides a lot more detailed result than other similar software.

SG TCP Optimizer

SG TCP Optimizer is a free and portable latency checker software for Windows. Using it, you can check the network latency of your broadband network. Not just latency, you can also determine the largest possible packet size that can be transferred through your internet connection. It uses various host sites to check the network latency such as www.google.com, www.nordu.net, www.berkely.edu, etc. It basically starts pinging to host websites with 32 bytes of data and each 32-byte data package is sent 32 times over the network. This software then calculates the time spent on data transfer over the network and shows the network latency in milliseconds (ms). Some other information like number of packets sent/received, round-trip times (RTT) in ms, average latency, etc. are also available in the result.

This software is primarily an optimizer, so some options to tweak TCP/IP parameters (MTU, RWIN, Q0s, etc.), bandwidth*delay product calculator, etc., are also available.

Note: Always run this software in administrator mode to get the accurate latency results.

DPC Latency Checker

DPC Latency Checker is another free and portable latency checker software for Windows. It is mainly used to check the PC capability to handle real-time audio and video streaming without drop-outs. In order to determine PC capability, it checks the system in real time to know the latency of the system. It also shows a real-time graph on the interface to display the system latency. Current latency values and absolute maximum latency values are available at the bottom left of the interface. If the latency of the system is constantly lesser than 2000 microsecond (µs), that means your PC can handle real-time audio and video streaming.

Besides the graph, a written note is also provided by this software to display the result of the test. At any time, you can stop or restart the test using stop and reset button respectively. Overall, it is a simple and quick latency checker software.

NetworkLatencyView

NetworkLatencyView is yet another free and portable network latency checker software for Windows. This software analyzes the TCP connections of your system and determines the network latency for every new TCP connection detected on your system. A new TCP connection can be a webpage, website, etc. Through this software, you can easily sort out websites which regularly takes a longer time to respond.

After analyzing the network, it displays a complete report on its interface that contains IP address of every new TCP connection, URL’s, average latency, first/last latency time, failed count, destination country, etc. The values of TCP latency that it shows is measured in milliseconds (ms). Obtained latency report can be exported as TXT, CSV, HTML, XML, etc. files.

PHP Server Monitor

PHP Server Monitor is a free and open-source server monitor software for Windows. It is mainly used to check whether your servers and websites are running properly or not. Its other use is to check latency of websites and servers.

To use this software, first, you need to create a PHP server monitor account. After that, you can add websites and servers that you want to examine using its servers tab. Now, if you go to its status tab, then you can view a number of templates according to added websites. Each template contains various information (latency graph of past weeks/months, last online activity time, etc.) about that website including latency time in seconds.

In this freeware, you can add multiple employees and also enable services like Email, SMS, and Pushover notifications. You can configure notification settings for each server or website separately. Whenever this software will detect any problem or error with your websites, it immediately sends a notification regarding website errors. Besides this, many other tools and settings to monitor server and websites are also available in this software.

Note: This free latency tracker software requires software like XAMMP, WAMP, etc. to run.

Network Monitor

Network Monitor is a free and open source network latency checker software for Windows. As its name implies, it monitors the network and shows real-time network latency, download speed, and upload speed. It shows network latency in milliseconds (ms) and download/upload speed in bits per seconds. The latency value that it displays is basically the time taken by data to reach the destination, but various other parameters are also included in the propagation delay like network inconsistency, website problems, etc.

This software comes with a floating interface that you can place anywhere on the screen. Plus, some customizations like changing the layout (vertical and horizontal), stay on top functionality, etc. can also be useful.