Harmonic distortion VI Analyzer
Hi all
I am analysis of data from the ADC with some of the waveform measurement palette live. The "Harmonic Distortion Analyzer vi' seems that all useful but gives me heard sometime. I compared the amplitude fundamental and harmonic signal in two ways: from a FFT and by converting the amplitudes dBV (I'm able Volts). The two emerged from the same vi, but there is a gap of about 3 dB between the two. Am I missing something basic?
Hope you could help me with this.
Amir
Hey Amir,
I tried to reproduce what you call, and I am able to see a small gap (about 3 dB) between my two outputs. That's when the FFT Ridge to Ridge, with Hanning window (which is default for the VI of harmonic distortion Analyzer).
This discrepancy disappears when TFF going to RMS, which indicates that the VI Analyzer of harmonic distortion output of RMS amplitudes. To make sure that it is correct, try to change the settings of your FFT and see if the gap disappears.
If this isn't the case, please go ahead and post a sample of your procedure VI, as Anna suggested, so that we can solve this further.
Thank you
Tags: NI Hardware
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Error in harmonic distortion VI Analyzer?
Hello
Today, I tried to use the harmonic distortion VI Analyzer and it seems that there is a mistake in the VI (or I misunderstood something...).
The phenomenon I've observed may very well shown in the attached example.
Description:
-THD - calc: output for the THD calculated by hand with the amplitudes (in this example: THD = sqrt(2^2+3^2)/4 = 0.901)
-THD - VI: output calculated by the VI of harmonic distortion Analyzer
The two results are the same if the number of analyzed periods is > = 3 (periods # = number of samples * fundamental frequency / Fs). If only 1 or 2 periods are analysed, the harmonic distortion Analyzer VI gives an incorrect result.
What is the error? I did a wrong settings or is this a problem with VI?
Thanks in advance for the help.
Best regards
Stefan
If you open the block diagram of VI harmonic distortion Analyzer, you'll see he's using Fourier transform techniques to calculate the rate of HARMONICS. TFF does not work well with a small number of cycles and can have significant errors when fractional cycles are involved.
In VI you posted increasing the number of samples to 300 product results identical to 5 significant digits. To 200 samples the error is about 10%.
When working with the FFT based analysis tools, use a lot of cycles.
Lynn
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FFT and a manipulation of the results seems to work quite well.
I used some tones and noise Waveform.vi to generate a test signal. .Vi (Mag Phase) FFT spectrum analysis the signal. I find the amplitude peaks and extract the phases in these places. Results are quite close to the entrance of the values even when the noise is larger than some of the harmonics.
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Finally, I think anyway, found the answer to my problem with the 'Harmonic distortion Analyzer' VI gives me the Nyquist frequency, which is ultimately what I tried.
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Harmonic distortion Analyzer is a polymorphic VI, this means that if you connect a single signal in and then you get a unique signal, and if you connect a table of signals in out you a table.
The VI I is not polymorphic, but you can easily change to work with multiple signals. If you look at the standard implementation for the harmonic distortion Analyzer N-channel then, he simply called the channel 1 harmonic distortion Analyzer a loop for. So you can easily call my VI in the same way. See attached screenshot:
Best regards
Anders Rohde
Technical sales engineer
National Instruments Denmark
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Time of this report: 09/04/2010, 21:46
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Management of the voice: No.
Listen/Src/EAX (TM) 2.0: No, no
Listen/Src/I3DL2 (TM): No, no
Sensaura (TM) ZoomFX (tm): No.
Description: Headphone Earphone (Microsoft LifeChat LX-3000)
Default audio playback: No.
Default voice playback: Yes
Hardware ID: USB\VID_045E & PID_070F & REV_0100 & MI_00
Manufacturer ID: 65535
Product ID: 65535
Type: WDM
Driver name: USBAUDIO.sys
Driver version: 6.01.7600.16385 (in English)
Driver attributes: Final retail
WHQL Logo would be: n/a
Date and size: 2009-07-13 17:06:32, 109568 bytes
Other files:
Driver provider: Microsoft
HW Accel level: basic
Cap flags: 0xF1F
Min/Max sample rate: 100, 200000
Mix beef static/Strm HW: 1, 0
Static/Strm HW 3D steers: 0, 0
HW memory: 0
Management of the voice: No.
Listen/Src/EAX (TM) 2.0: No, no
Listen/Src/I3DL2 (TM): No, no
Sensaura (TM) ZoomFX (tm): No.
---------------------
Sound Capture devices
---------------------
Description: Headphones with Microphone (Microsoft LifeChat LX-3000)
Capture audio by default: Yes
Default voice Capture: Yes
Driver name: USBAUDIO.sys
Driver version: 6.01.7600.16385 (in English)
Driver attributes: Final retail
Date and size: 2009-07-13 17:06:32, 109568 bytes
Cap flags: 0x1
Format flags: 0xFFFFF
-------------------
DirectInput devices
-------------------
Device name: mouse
Joint: 1
Controller ID: n/a
Vendor/product ID: n/a
FF driver: n/a
Device name: keyboard
Joint: 1
Controller ID: n/a
Vendor/product ID: n/a
FF driver: n/a
Device name: Microsoft LifeChat LX-3000
Joint: 1
Controller ID: 0 x 0
Suppliers of products/ID: 0x045E, 0x070F
FF driver: n/a
Device name: USB 2.0 - CRW
Joint: 1
Controller ID: 0 x 0
Suppliers of products/ID: 0x0A48, 0 x 3302
FF driver: n/a
Poll w / Interrupt: No.
-----------
USB devices
-----------
+ USB root hub
| Suppliers of products/ID: 8086 0 x, 0 x 2939
| Matching Device ID: usb\root_hub
| Service: usbhub
----------------
Gameport devices
----------------
------------
PS/2 devices
------------
+ PS/2 standard keyboard
| Matching Device ID: * pnp0303
| Service: i8042prt
|
+ Server terminal keyboard driver
| Matching Device ID: root\rdp_kbd
| High filters: kbdclass
| Service: TermDD
|
+ HID-compliant mouse
| Suppliers of products/ID: 0x046D, 0xC01B
| Matching Device ID: hid_device_system_mouse
| Service: me
|
+ Terminal Server mouse driver
| Matching Device ID: root\rdp_mou
| High filters: mouclass
| Service: TermDD
------------------------
Disk & CD-ROM/DVD-ROM readers
------------------------
Drive: C:
Free space: 82.3 GB
Total space: 594,6 GB
File system: NTFS
Model: WDC WD6400AAKS-22A7B0 ATA Device
Drive: D:
Free space: 15.8 GB
Total space: 15.9 GB
File system: NTFS
Model: WDC WD6400AAKS-22A7B0 ATA Device
Drive: E:
Model: Optiarc DVD RW AD - 7203S ATA Device
Driver: c:\windows\system32\drivers\cdrom.sys, 6.01.7600.16385 (in English), 0 bytes
Drive: J:
Model: DQLI BCLUR0TI7 SCSI CdRom Device
Driver: c:\windows\system32\drivers\cdrom.sys, 6.01.7600.16385 (in English), 0 bytes
By car: K:
Model: DQLI BCLUR0TI7 SCSI CdRom Device
Driver: c:\windows\system32\drivers\cdrom.sys, 6.01.7600.16385 (in English), 0 bytes
--------------
System devices
--------------
Name: ICH9 Intel (r) family - 2938 USB universal host controller
Device ID: PCI VEN_8086 & DEV_2938 & SUBSYS_E0371631 & REV_02\3 & 2411E6FE & 1 & D1
Pilot: s/o
Name: ICH9DH Intel (r) LPC Interface Controller - 2912
Device ID: PCI VEN_8086 & DEV_2912 & SUBSYS_E0371631 & REV_02\3 & 2411E6FE & 1 & F8
Pilot: s/o
Name: Intel (r) G33/G31/P35/P31 Express Chipset PCI Express Root Port - 29 1
Device ID: PCI VEN_8086 & DEV_29C1 & SUBSYS_E0371631 & REV_02\3 & 2411E6FE & 1 & 08
Pilot: s/o
Name: ICH9 Intel (r) family - 2937 USB universal host controller
Device ID: PCI VEN_8086 & DEV_2937 & SUBSYS_E0371631 & REV_02\3 & 2411E6FE & 1 & D0
Pilot: s/o
Name: Intel(r) 82801 PCI Bridge - 244
Device ID: PCI VEN_8086 & DEV_244E & SUBSYS_E0371631 & REV_92\3 & 2411E6FE & 1 & F0
Pilot: s/o
Name: Intel (r) G33/G31/P35/P31 Express Chipset processor to i/o controller - 29 c 0
Device ID: PCI VEN_8086 & DEV_29C0 & SUBSYS_E0371631 & REV_02\3 & 2411E6FE & 1 & 00
Pilot: s/o
Name: ICH9 Intel (r) family - 2936 USB universal host controller
Device ID: PCI VEN_8086 & DEV_2936 & SUBSYS_E0371631 & REV_02\3 & 2411E6FE & 1 EA
Pilot: s/o
Name: CX11261 PCI Soft Modem
Device ID: PCI\VEN_14F1 & DEV_2F40 & SUBSYS_200014F1 & REV_00\4 & 33B 27818 & 0 & 00F0
Pilot: s/o
Name: Intel(r) 82566DC-2 Gigabit Network Connection
Device ID: PCI VEN_8086 & DEV_294C & SUBSYS_E0371631 & REV_02\3 & 2411E6FE & 1 & C8
Pilot: s/o
Name: ICH9 Intel (r) family - 2935 USB universal host controller
Device ID: PCI VEN_8086 & DEV_2935 & SUBSYS_E0371631 & REV_02\3 & 2411E6FE & 1 & E9
Pilot: s/o
Name: VIA 1394 compatible OHCI Host Controller
Device ID: PCI\VEN_1106 & DEV_3044 & SUBSYS_E0371631 & REV_C0\4 & B 33, 27818 & 0 & 30F0
Pilot: s/o
Name: High Definition Audio Controller
Device ID: PCI VEN_8086 & DEV_293E & SUBSYS_E0371631 & REV_02\3 & 2411E6FE & 1 & D8
Pilot: s/o
Name: ICH9 Intel (r) family - 2934 USB universal host controller
Device ID: PCI VEN_8086 & DEV_2934 & SUBSYS_E0371631 & REV_02\3 & 2411E6FE & 1 & E8
Pilot: s/o
Name: NVIDIA GeForce 9500 GT
Device ID: PCI\VEN_10DE & DEV_0640 & SUBSYS_064810DE & REV_A1\4 & 33F361A3 & 0 & 0008
Pilot: s/o
Name: Intel ICH9 Family USB2 Enhanced Host Controller - 293C
Device ID: PCI VEN_8086 & DEV_293C & SUBSYS_E0371631 & REV_02\3 & 2411E6FE & 1 & D7
Pilot: s/o
Name: Intel ICH9 Family SMBus Controller - 2930
Device ID: PCI VEN_8086 & DEV_2930 & SUBSYS_E0371631 & REV_02\3 & 2411E6FE & 1 & FB
Pilot: s/o
Name: Intel ICH9 Family USB2 Enhanced Host Controller - 293-a
Device ID: PCI VEN_8086 & DEV_293A & SUBSYS_E0371631 & REV_02\3 & 2411E6FE & 1 & EF
Pilot: s/o
Name: Standard double channel PCI IDE Controller
Device ID: PCI VEN_8086 & DEV_2926 & SUBSYS_E0371631 & REV_02\3 & 2411E6FE & 1 & FD
Pilot: s/o
Name: ICH9 Intel (r) family - 2939 USB universal host controller
Device ID: PCI VEN_8086 & DEV_2939 & SUBSYS_E0371631 & REV_02\3 & 2411E6FE & 1 & D2
Pilot: s/o
Name: Standard double channel PCI IDE Controller
Device ID: PCI VEN_8086 & DEV_2920 & SUBSYS_E0371631 & REV_02\3 & 2411E6FE & 1 & FA
Pilot: s/o
------------------
DirectShow filters
------------------
DirectShow filters:
WMAudio Decoder DMO, 0 x 00800800, 1, 1, WMADMOD. DLL, 6.01.7600.16385
WMAPro over S/PDIF DMO, 0 x 00600800, 1, 1, WMADMOD. DLL, 6.01.7600.16385
WMSpeech Decoder DMO, 0 x 00600800, 1, 1, WMSPDMOD. DLL, 6.01.7600.16385
MP3 DMO, 0 x 00600800, 1, 1, mp3dmod.dll, 6.01.7600.16385 decoder
Mpeg4s decoder DMO, 0 x 00800001, 1, 1, mp4sdecd.dll, 6.01.7600.16385
Decoder WMV DMO, 0 x 00600800, 1 screen, 1, wmvsdecd.dll, 6.01.7600.16385
Decoder DMO WMVideo, 0 x 00800001, 1, 1, wmvdecod.dll, 6.01.7600.16385
Mpeg43 decoder DMO, 0 x 00800001, 1, 1, mp43decd.dll, 6.01.7600.16385
MPEG4 Decoder DMO, 0 x 00800001, 1, 1, mpg4decd.dll, 6.01.7600.16385
FFDShow video Decoder, 0xff800001, 2, 1, ffdshow.ax, 1.00.0007.3135
CoreVorbis Audio Decoder, 0 x 00800000, 1, 1, CoreVorbis.ax, 1.01.0000.0079
FFDShow raw video filter, 0 x 00200000, 2, 1, ffdshow.ax, 1.00.0007.3135
FFDShow Audio Decoder, 0x3fffffff, 1, 1, ffdshow.ax, 1.00.0007.3135
DV Muxer, 0x00400000, 0, 0, qdv.dll, 6.06.7600.16385
MPC - Source Mpeg (Gabest), 0x00400000, 0, 0, MpegSplitter.ax, 1.03.1458.0000
Converter, 0 x 00400001, 1, 1, quartz.dll, 6.06.7600.16490 color space
Reader, 0x00400000, 0, 0, qasf.dll, WM ASF 12.00.7600.16385
Filter, 0 x 00200000, 0, 1, wmpsrcwp.dll, 12.00.7600.16385 screenshot
AVI Splitter, 0 x 00600000, 1, 1, quartz.dll, 6.06.7600.16490
VGA 16 color Ditherer, 0 x 00400000, 1, 1, quartz.dll, 6.06.7600.16490
SBE2MediaTypeProfile, 0 x 00200000, 0, 0, SBE.dll, 6.06.7600.16385
Microsoft DTV - DVD video Decoder, 0x005fffff, 2, 4, msmpeg2vdec.dll, 6.01.7140.0000
MONOGRAM AMR Splitter, 0 x 00600000, 1, 1, mmamr.ax, 1.00.0001.0000
AC3 parser Filter, 0 x 00600000, 1, 1, mpg2splt.ax, 6.06.7600.16385
StreamBufferSink, 0 x 00200000, 0, 0, sbe.dll, 6.06.7600.16385
MJPEG Decompressor, 0 x 00600000, 1, 1, quartz.dll, 6.06.7600.16490
For Blizzard DivX Decoder Filter, 0 x 00800000, 1, 1, blizzard.ax, 5.00.0002.0000
MPEG-I Stream Splitter, 0 x 00600000, 1, 2, quartz.dll, 6.06.7600.16490
Parser, 0 x 00400000, 1, 1, quartz.dll, 6.06.7600.16490 SAMI (CC)
The IST Codec, 0 x 00600000, 1, 4, VBICodec.ax, 6.06.7600.16385
MPEG-2 Splitter, 0x005fffff, 1, 0, mpg2splt.ax, 6.06.7600.16385
MPC - MP4 Source, 0 x 00600000, 0, 0, MP4Splitter.ax, 1.03.1458.0000
Filter, 0 x 00200000, 2, 5, cca.dll, 6.06.7600.16385 analysis of closed captioning
SBE2FileScan, 0 x 00200000, 0, 0, SBE.dll, 6.06.7600.16385
Microsoft MPEG-2 video encoding, 0 x 00200000, 1, 1, msmpeg2enc.dll, 6.01.7600.16385
MPC - FLV Splitter (Gabest), 0 x 00600000, 1, 1, FLVSplitter.ax, 1.03.1458.0000
Renderer, 0 x 00800001, 1, 0, quartz.dll, 6.06.7600.16490 Script command internal
MPEG Audio Decoder, 0 x 03680001, 1, 1, quartz.dll, 6.06.7600.16490
WavPack Audio Decoder, 0 x 00600000, 1, 1, WavPackDSDecoder.ax, 1.01.0000.0484
DV Splitter, 0 x 00600000, 1, 2, qdv.dll, 6.06.7600.16385
MONOGRAM AMR Decoder, 0 x 00600000, 1, 1, mmamr.ax, 1.00.0001.0000
Video Mixing Renderer 9 0 x 00200000, 1, 0, quartz.dll, 6.06.7600.16490
MONOGRAM all-in Decoder, 0 x 00600000, 1, 1, mmmpcdec.ax, 0.09.0002.0000
Haali Media Splitter, 0 x 00800001, 0, 1, splitter.ax, 1.09.0042.0001
Haali Media Splitter (AR), 0 x 00400000, 1, 1, splitter.ax, 1.09.0042.0001
Microsoft MPEG - 2 encode, 0 x 00200000, 2, 1, msmpeg2enc.dll, 6.01.7600.16385
MPC - MP4 Splitter, 0 x 00600000, 1, 1, MP4Splitter.ax, 1.03.1458.0000
Source file (Monkey Audio), 0 x 00400000, 0, 1, MonkeySource.ax,
ACM Wrapper, 0 x 00600000, 1, 1, quartz.dll, 6.06.7600.16490
madFlac Decoder, 0 x 00600000, 1, 1, madFlac.ax, 1.08.0000.0000
Video Renderer, 0 x 00800001, 1, 0, quartz.dll, 6.06.7600.16490
Video stream MPEG - 2 Analyzer, 0 x 00200000, 0, 0, sbe.dll, 6.06.7600.16385
Line 21 Decoder, 0 x 00600000, 1, 1, qdvd.dll, 6.06.7600.16385
Port video Manager, 0 x 00600000, 2, 1, quartz.dll, 6.06.7600.16490
Video Renderer, 0x00400000, 1, 0, quartz.dll, 6.06.7600.16490
Video of Haali Renderer, 0 x 00200000, 1, 0, dxr.dll,
Decoder, 0 x 00200000 VPS, 0, 0, WSTPager.ax, 6.06.7600.16385
Writer, 0x00400000, 0, 0, qasf.dll, WM ASF 12.00.7600.16385
Allocator, 0 x 00600000, 1, 1, vbisurf.ax, 6.01.7600.16385 Surface of VBI
File writer, 00200000 x 0, 1, 0, qcap.dll, 6.06.7600.16385
iTV Sink, 0 x 00600000, 1, 0, itvdata.dll, 6.06.7600.16385 data
iTV to Capture data filter 0 x 00600000, 1, 1, itvdata.dll, 6.06.7600.16385
Simple Haali Media Splitter, 0 x 00200000, 0, 1, splitter.ax, 1.09.0042.0001
DirectVobSub, 0 x 00200000, 2, 1, vsfilter.dll, 2.39.0005.0003
DirectVobSub (loading automatic version), 0 x 00800002, 2, 1, vsfilter.dll, 2.39.0005.0003
MONOGRAM AMR Encoder, 0 x 00600000, 1, 1, mmamr.ax, 1.00.0001.0000
DVD Navigator, 0 x 00200000, 0, 3, qdvd.dll, 6.06.7600.16385
Mixer2, 0 x 00200000, 1, 1, qdvd.dll, 6.06.7600.16385 overlay
Haali Matroska Muxer, 00200000 x 0, 1, 0, splitter.ax, 1.09.0042.0001
AVI Draw, 0 x 00600064, 9, 1, quartz.dll, 6.06.7600.16490
MONOGRAM AMR Mux, 0 x 00600000, 1, 1, mmamr.ax, 1.00.0001.0000
RDP DShow Redirection Filter, 0xffffffff, 1, 0, DShowRdpFilter.dll,
DC-Bass Source, 0 x 00400000, 0, 1, DCBassSource.ax, 1.02.0000.0000
Microsoft MPEG-2 Audio Encoder, 0 x 00200000, 1, 1, msmpeg2enc.dll, 6.01.7600.16385
Pager, 0 x 00200000, 1, 1, WSTPager.ax, 6.06.7600.16385 WST
MPEG2 demux, 0 x 00600000, 1, 1, mpg2splt.ax, 6.06.7600.16385
Decoder, 0 x 00800000, 1, 1, qdv.dll, 6.06.7600.16385 DV video
FFDShow Audio Processor, 0 x 00200000, 1, 1, ffdshow.ax, 1.00.0007.3135
SampleGrabber, 0 x 00200000, 1, 1, qedit.dll, 6.06.7600.16385
Renderer, 00200000 x 0, 1, 0, qedit.dll, 6.06.7600.16385 null
VP7 Decompressor, 0 x 00800000, 1, 1, vp7dec.ax, 7.00.0010.0000
MONOGRAM all-in Splitter, 0 00600000, 1, 1, x mmmpcdmx.ax, 0.04.0000.0000
madFlac Source, 0 x 00600000, 0, 1, madFlac.ax, 1.08.0000.0000
Tables, 0x005fffff, 1, 0, mpeg2data.ax, 6.06.7600.16385 and MPEG - 2 Sections
Microsoft AC3 Encoder, 0 x 00200000, 1, 1, msac3enc.dll, 6.01.7600.16385
MPC - Source FLV (Gabest), 0 x 00600000, 0, 0, FLVSplitter.ax, 1.03.1458.0000
StreamBufferSource, 0 x 00200000, 0, 0, sbe.dll, 6.06.7600.16385
Smart Tee, 0 x 00200000, 1, 2, qcap.dll, 6.06.7600.16385
Mix, 0 x 00200000, 0, 0, qdvd.dll, 6.06.7600.16385 overlay
AVI Decompressor, 0 x 00600000, 1, 1, quartz.dll, 6.06.7600.16490
Source, 0 x 00400000, 0, 2, quartz.dll, 6.06.7600.16490 AVI/WAV file
MPC - Splitter, 0 x 00600000, 1, 1, MP4Splitter.ax, 1.03.1458.0000 video MPEG4
Parser, 0 x 00400000, 1, 1, quartz.dll, 6.06.7600.16490 wave
Parser, 0 x 00400000, 1, 1, quartz.dll, 6.06.7600.16490 noon
Multi-fichier Parser, 0 x 00400000, 1, 1, quartz.dll, 6.06.7600.16490
File stream renderer, 0x00400000, 1, 1, quartz.dll, 6.06.7600.16490
WavPack Audio Splitter, 0 x 00600000, 1, 1, WavPackDSSplitter.ax, 1.01.0000.0323
filter, 0 x 00200000, 2, 1, ffdshow.ax, 1.00.0007.3135 subtitle ffdshow
MPC - Mpeg Splitter (Gabest), 0 x 00400001, 1, 1, MpegSplitter.ax, 1.03.1458.0000
Microsoft DTV - DVD Audio Decoder, 0x005fffff, 1, 1, msmpeg2adec.dll, 6.01.7140.0000
StreamBufferSink2, 0 x 00200000, 0, 0, sbe.dll, 6.06.7600.16385
AVI Mux, 00200000 x 0, 1, 0, qcap.dll, 6.06.7600.16385
MPC - Source, 0 x 00600000, 0, 0, MP4Splitter.ax, 1.03.1458.0000 video MPEG4
Line 21 decoder 2, 0 x 00600002, 1, 1, quartz.dll, 6.06.7600.16490
File Source (Async.), 0 x 00400000, 0, 1, quartz.dll, 6.06.7600.16490
File Source (URL), 0 x 00400000, 0, 1, quartz.dll, 6.06.7600.16490
Video of Sink, 0 x 00200000 Haali, 1, 0, splitter.ax, 1.09.0042.0001
AC3File, 0 x 00600000, 0, 1, AC3File.ax,.
Infinite pin Tee Filter, 0 x 00200000, 1, 1, qcap.dll, 6.06.7600.16385
Renderer, 00200000 x 0, 1, 0, evr.dll, 6.01.7600.16385 improved video
BDA MPEG2 Transport Information Filter, 0 x 00200000, 2, 0, psisrndr.ax, 6.06.7600.16385
Decoder, 0 x 40000001, 1, 1, quartz.dll, 6.06.7600.16490 MPEG video
WDM Streaming Tee/Splitter devices:
Converter, 0 x 00200000, 1, 1, ksproxy.ax, 6.01.7600.16385 tee/sink - to the-wells
Video compressors:
WMVideo8 encoder DMO, 0 x 00600800, 1, 1, wmvxencd.dll, 6.01.7600.16385
WMVideo9 encoder DMO, 0 x 00600800, 1, 1, wmvencod.dll, 6.01.7600.16385
Encoder 9 MSScreen DMO, 0 x 00600800, 1, 1, wmvsencd.dll, 6.01.7600.16385
Encode, 0 x 00200000, 0, 0, qdv.dll, 6.06.7600.16385 DV video
FFDShow encoder, 00100000, 1, 1, x 0 ffdshow.ax, 1.00.0007.3135 video
MJPEG Compressor, 0 x 00200000, 0, 0, quartz.dll, 6.06.7600.16490
Cinepak Codec by Radius, 0 x 00200000, 1, 1, qcap.dll, 6.06.7600.16385
FFDShow video Codec, 0 x 00200000, 1, 1, qcap.dll, 6.06.7600.16385
Intel IYUV codec, 0 x 00200000, 1, 1, qcap.dll, 6.06.7600.16385
Intel IYUV codec, 0 x 00200000, 1, 1, qcap.dll, 6.06.7600.16385
Microsoft RLE, 0 x 00200000, 1, 1, qcap.dll, 6.06.7600.16385
Microsoft Video 1, 0 x 00200000, 1, 1, qcap.dll, 6.06.7600.16385
XviD MPEG - 4 Codec, 0 x 00200000, 1, 1, qcap.dll, 6.06.7600.16385
Helix YV12 YUV Codec, 0 x 00200000, 1, 1, qcap.dll, 6.06.7600.16385
Audio compressors:
WM Encoder DMO speech, 0 00600800, 1, 1, x WMSPDMOE. DLL, 6.01.7600.16385
WMAudio encoder DMO, 0 x 00600800, 1, 1, WMADMOE. DLL, 6.01.7600.16385
IMA ADPCM, 0 x 00200000, 1, 1, quartz.dll, 6.06.7600.16490
PCM, 0 x 00200000, 1, 1, quartz.dll, 6.06.7600.16490
Microsoft ADPCM, 0 x 00200000, 1, 1, quartz.dll, 6.06.7600.16490
GSM 6.10, 0 x 00200000, 1, 1, quartz.dll, 6.06.7600.16490
CCITT A - Law, 0 x 00200000, 1, 1, quartz.dll, 6.06.7600.16490
CCITT u - Law, 0 x 00200000, 1, 1, quartz.dll, 6.06.7600.16490
AC-3 ACM Codec, 0 x 00200000, 1, 1, quartz.dll, 6.06.7600.16490
MPEG Layer-3, 0 x 00200000, 1, 1, quartz.dll, 6.06.7600.16490
Audio Capture sources:
Headset with Microphone (Microsoft L, 0 x 00200000, 0, 0, qcap.dll, 6.06.7600.16385)
PBDA CP filters:
PBDA DTFilter, 0 x 00600000, 1, 1, CPFilters.dll, 6.06.7600.16385
ETFilter, 0 x 00200000 PBDA, 0, 0, CPFilters.dll, 6.06.7600.16385
PTFilter, 0 x 00200000 PBDA, 0, 0, CPFilters.dll, 6.06.7600.16385
Midi converters:
Default MidiOut Device, 0 x 00800000, 1, 0, quartz.dll, 6.06.7600.16490
Synth, 00200000 x 0, 1, 0, quartz.dll, 6.06.7600.16490 Microsoft GS Wavetable
WDM Streaming Capture devices:
Microsoft LifeChat LX-3000, 0 x 00200000, 2, 2, ksproxy.ax, 6.01.7600.16385
WDM Streaming making devices:
HD Audio Headphone/Speakers,0x00200000,1,1,ksproxy.ax,6.01.7600.16385
Out, 0 00200000, 1, 1, x ksproxy.ax, 6.01.7600.16385 HD Audio SPDIF
Microsoft LifeChat LX-3000, 0 x 00200000, 2, 2, ksproxy.ax, 6.01.7600.16385
BDA network providers:
Provider, 0 x 00200000, 0, 1, MSDvbNP.ax, 6.06.7600.16385 Microsoft ATSC network
DVBC Microsoft Network Provider, 0 x 00200000, 0, 1, MSDvbNP.ax, 6.06.7600.16385
Provider, 0 x 00200000, 0, 1, MSDvbNP.ax, network 6.06.7600.16385 Microsoft DVBS
Provider, 0 x 00200000, 0, 1, MSDvbNP.ax, 6.06.7600.16385 network Microsoft t
Microsoft Network Provider, 0 x 00200000, 0, 1, MSNP.ax, 6.06.7600.16385
Multiple instances Codecs VBI Capable:
The IST Codec, 0 x 00600000, 1, 4, VBICodec.ax, 6.06.7600.16385
BDA Transport Information converters:
BDA MPEG2 Transport Information Filter 0 x 00600000, 2, 0, psisrndr.ax, 6.06.7600.16385
Tables, 0 x 00600000, 1, 0, mpeg2data.ax, 6.06.7600.16385 and MPEG - 2 Sections
CP/CA BDA filters:
Decrypt/Tag,0x00600000,1,1,EncDec.dll,6.06.7600.16385
Encrypt/Tag,0x00200000,0,0,EncDec.dll,6.06.7600.16385
PTFilter, 0 x 00200000, 0, 0, EncDec.dll, 6.06.7600.16385
XDS Codec, 0 x 00200000, 0, 0, EncDec.dll, 6.06.7600.16385
WDM Streaming transformations of the Communication:
Converter, 0 x 00200000, 1, 1, ksproxy.ax, 6.01.7600.16385 tee/sink - to the-wells
Audio converters:
Speakers (high definition Audio, 0 x 00200000, 1, 0, quartz.dll, 6.06.7600.16490)
DirectSound Device, 0 x 00800000, 1, 0, quartz.dll, default 6.06.7600.16490
Default WaveOut Device, 0 x 00200000, 1, 0, quartz.dll, 6.06.7600.16490
Audio Digital (S/PDIF) (high, 0 x 00200000, 1, 0, quartz.dll, 6.06.7600.16490)
DirectSound: Audio Digital (S/PDIF) (high definition Audio Device), 0 x 00200000, 1, 0, quartz.dll, 6.06.7600.16490
DirectSound: Headphone Earphone (Microsoft LifeChat LX-3000), 0 x 00200000, 1, 0, quartz.dll, 6.06.7600.16490
DirectSound: Speakers (High Definition Audio Device), 0 x 00200000, 1, 0, quartz.dll, 6.06.7600.16490
Helmet Headset (Microsoft Lif, 00200000 x 0, 1, 0, quartz.dll, 6.06.7600.16490
---------------
EVR power information
---------------
Current value: {5C67A112-A4C9-483F-B4A7-1D473BECAFDC} (quality)
Quality indicators: 2576
Activated:
Limitation of the force
That allow half deinterlace
Allow the scaling
Decode power usage: 100
Balanced flags: 1424
Activated:
Limitation of the force
Allow batch processing
Force half deinterlace
Force the scaling
Decode power usage: 50
PowerFlags: 1424
Activated:
Limitation of the force
Allow batch processing
Force half deinterlace
Force the scaling
Decode power usage: 0
First turn off the evidence present you suggests that the GPU has physical problems. NVIDIA cards have had many problems during the last winter. Impaired drivers are to blame.
First blessing the latest which is 197.13 driver, and if this does not help then your card needs replacement.
Vote if answered or useful, I run for Office (joke)! IT / developer, Windows/Linux/Mainframe My tired server, need a new, been out of work for more than 18 months.
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Whenever any sound is played on my computer (including the music sounds and system) it is constantly very distorted and jumps, skips, crackles. The sound used to work properly. In this case play all his entry is to say CD, itunes, Media Player, I have Player, etc.
I have:
-verified it is not related to the volume
-updated drivers
with disabilities in an audio improvements
-checked everything is correctly connected and powered of cables without any effect
In addition, Microsoft Automated Troubleshooting found no problem.
I am running a Dell inspiron 530 Vista running
Any suggestions on what might be wrong/how to fix this problem?Have you checked in the Device Manager to make sure that this driver is installed? Sometimes you have to turn
more than once their restoration. Double-click Control Panel - device - Sound Manager - on - driver tabYou can also try this option to refresh the driver stack - make a right-click - UNINSTALL - then check the box to delete
the pilot - Reboot.Come on, your downloaded driver - RIGHT CLICK - RUN AS ADMIN - REBOOT - check the version of the driver on the right
appears on the tab of the driver.Double-check this
Right click on speaker icon - reading devices
Highlight speakers - properties (right same low page) - tab improvements - check Disable all sound effects
Apply - APPLY / OK---------------------------------------------
then try this:
Start - type this in the search box-> find COMMAND at the top and RIGHT CLICK – RUN AS ADMIN
Enter this at the command prompt - sfc/scannow
How to analyze the log file entries that the Microsoft Windows Resource Checker (SFC.exe) program
generates in Windows Vista cbs.log
http://support.Microsoft.com/kb/928228You can paste sections mistake here (maybe even if repeated section 1 only one instance of each)
section of error that is usually 10 or more lines).Rob - bicycle - Mark Twain said it is good.
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alt text bug: open windows distort when plane
apologies if this has already been asked - found nothing
When I'm analyzing data with PASW statistics package software or play Chess Titans (possibly other programs don't know, this is a recent problem), hovering over * nothing * that has alt text graphics and distort the dimensions of the window (see image).
http://img687.imageshack.us/img687/5303/alttextbug.jpg
This bug occurs in the absence of any window in any browser.
It is incredibly distracting and not helpful in the review of statistical data or have fun with games in leisure. Y at - it a patch or a fix that I could apply? Any program that gives birth to this?
Go to the Web site of the manufacturer of your computer laptop/computer/Graphic card > drivers and downloads Section > key in your model number > looking for the latest graphics drivers for Vista > download/install them.
See you soon
Mick Murphy - Microsoft partner
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