two89w 0 Posted June 16, 2012 I am considering buying this DVR , is it a average, good or excellent machine? Share this post Link to post Share on other sites
DWCCTV 0 Posted June 18, 2012 Hello, Unless you are buying this system very very cheap. I am going to have to go thumbs down. As you can see this unit is a .cif resolution system. Basically an old VCR. • 4ch 4CIF real-time DVR • Video (H.264) / Audio (ADPCM) • 4CIF Resolution real-time (25fps) recording capability • Up to 4ch audio inputs and 1ch audio output • Combined BNC and VGA video output for main display (up to 1280 x 1024) • SRD-470D : SATA I/F HDD support (Internal Max. HDD x 1) • HDD & DVD SATA interface • DDNS • Built-in web viewer • DVD R/W (SRD-470D) I would look for something that is D1 resolution. You can find these units pretty cheap. This will enhance your recorded footage alot. You wont be happy with the recorded footage on this unit. I hope this helps. Thank you, George Boyle Dallas Wholesale CCTV Share this post Link to post Share on other sites
groovyman 0 Posted June 18, 2012 Hello, Unless you are buying this system very very cheap. I am going to have to go thumbs down. As you can see this unit is a .cif resolution system. Basically an old VCR. • 4ch 4CIF real-time DVR • Video (H.264) / Audio (ADPCM) • 4CIF Resolution real-time (25fps) recording capability • Up to 4ch audio inputs and 1ch audio output • Combined BNC and VGA video output for main display (up to 1280 x 1024) • SRD-470D : SATA I/F HDD support (Internal Max. HDD x 1) • HDD & DVD SATA interface • DDNS • Built-in web viewer • DVD R/W (SRD-470D) I would look for something that is D1 resolution. You can find these units pretty cheap. This will enhance your recorded footage alot. You wont be happy with the recorded footage on this unit. I hope this helps. Thank you, George Boyle Dallas Wholesale CCTV George, are you indicating that video recorded @ D1 is much better than 4CIF? Share this post Link to post Share on other sites
ak357 0 Posted June 19, 2012 George, are you indicating that video recorded @ D1 is much better than 4CIF? Take it easy groovyman He simply trying to promote his product on another hand do you believe that u getting D1 quality recording with your product line ? (whatever u use) Share this post Link to post Share on other sites
groovyman 0 Posted June 19, 2012 George, are you indicating that video recorded @ D1 is much better than 4CIF? Take it easy groovyman He simply trying to promote his product on another hand do you believe that u getting D1 quality recording with your product line ? (whatever u use) Yeah, I just saw that statement and wanted to see what sort of response there would be. It's wrong for the op to read it and think 4CIF is not sufficient for analog recording and that D1 "will enhance your recorded footage alot." What, by 16 pixels? Lately I've been using Aver Hybrid DVR's. On the analog side they record @ D1, all channels. Share this post Link to post Share on other sites
ak357 0 Posted June 19, 2012 Lately I've been using Aver Hybrid DVR's. On the analog side they record @ D1, all channels. I see do you get D1 recording size and D1 Quality ? Share this post Link to post Share on other sites
groovyman 0 Posted June 19, 2012 Lately I've been using Aver Hybrid DVR's. On the analog side they record @ D1, all channels. I see do you get D1 recording size and D1 Quality ? I believe so. Just looked at some saved video and it's 720x480. Share this post Link to post Share on other sites
ak357 0 Posted June 19, 2012 I believe so. Just looked at some saved video and it's 720x480. Ok You have D1 size ( no doubt ) what about quality ? Share this post Link to post Share on other sites
groovyman 0 Posted June 19, 2012 I believe so. Just looked at some saved video and it's 720x480. Ok You have D1 size ( no doubt ) what about quality ? Depends on the camera, feild of view & environment. When better quality cameras are used and properly positioned the video can be fantastic. Share this post Link to post Share on other sites
ak357 0 Posted June 19, 2012 Depends on the camera, feild of view & environment. When better quality cameras are used and properly positioned the video can be fantastic. Good, as long I guess as you like it Unfortunately I have different opinion Share this post Link to post Share on other sites
groovyman 0 Posted June 19, 2012 Depends on the camera, feild of view & environment. When better quality cameras are used and properly positioned the video can be fantastic. Good, as long I guess as you like it Unfortunately I have different opinion Why unfortunately? Eveyone has their own opinion. Nothing wrong with that. Share this post Link to post Share on other sites
two89w 0 Posted June 19, 2012 HI I am not promoting anything............I am in australia not the US. Thanks for the not so helpful advice Cheers Dave Share this post Link to post Share on other sites
DWCCTV 0 Posted June 22, 2012 George, are you indicating that video recorded @ D1 is much better than 4CIF? Take it easy groovyman He simply trying to promote his product on another hand do you believe that u getting D1 quality recording with your product line ? (whatever u use) Hello, No groovyman I am not promoting anything! I am simply trying to save someone a headache from buying outdated junk. D1 resolution is hands down better than .cif YES! If you want to disagree with that fact you have no right posting. Go look at recorded .cif and recorded .D1. * CIF CCTV resolution is 352 x 240 pixels in size and is one quarter the resolution of D1. * D1 CCTV resolution is 704 x 480 pixels and is the highest resolution the CCTV system can record at. High end digital video recorders offer this resolution and only the highest end recorders can offer D1 resolution at 30 frames per second recording. Thank you, George Boyle Share this post Link to post Share on other sites
tomcctv 187 Posted June 22, 2012 D1 CCTV resolution is 704 x 480 pixels and is the highest resolution the CCTV system can record at No. one thing people get wrong is 4cif is NOT true D1. this has and always will be a problem in the industry 4cif (in cif world) yes is the highest. and every body calls it D1 (sales pitch) were the true fact is D1 is its own format and should not be used to explain cif format. there are not many true D1 format dvrs around Share this post Link to post Share on other sites
groovyman 0 Posted June 22, 2012 Hello, No groovyman I am not promoting anything! I am simply trying to save someone a headache from buying outdated junk. D1 resolution is hands down better than .cif YES! If you want to disagree with that fact you have no right posting. Go look at recorded .cif and recorded .D1. * CIF CCTV resolution is 352 x 240 pixels in size and is one quarter the resolution of D1. * D1 CCTV resolution is 704 x 480 pixels and is the highest resolution the CCTV system can record at. High end digital video recorders offer this resolution and only the highest end recorders can offer D1 resolution at 30 frames per second recording. Thank you, George Boyle No George - I never indicated you were promoting anything (read everything again). I just asked if you were indicating that video recorded @ D1 is much better than 4CIF because the specs of the system is 4CIF, as you highlighted in bold, but it seems like you were discussing it like it was only CIF and made a comparison to an old VCR. Someone else indicated you were promoting. * D1 CCTV resolution is 704 x 480 pixels D1 CCTV resolution is NOT 704 x 480 D1 resolution is 720×486 (NTSC) and 720×576 (PAL) 4CIF resolution is 704×480 (NTSC) and 704×576 (PAL) Share this post Link to post Share on other sites
shockwave199 0 Posted June 23, 2012 there are not many true D1 format dvrs around They seem to be plentiful enough now. I don't think you have to look very far to find dvr's offering D1, albeit in a number of different ways that could be considered a drawback, such as low fps or not on every channel. But even full D1 30 fps dvrs are just a click away now. Share this post Link to post Share on other sites
tomcctv 187 Posted June 23, 2012 They seem to be plentiful enough now. I don't think you have to look very far to find dvr's offering D1, are they. lots of companies do say D1 just as they also say real time recording. its always been a problem in the industry hyped up specs to sell. there is nothing bad or wrong about 4 cif it is a fact and not the same format as TRUE D1. lets take some specs. 8 Channel DVR | Real-time | CIF/D1 Resolution | H.264 Model: QT428 first lets start with real time. ...>>>>>> what the spec does not tell you is real time is only in its lower res (cif) now the specs D1. D1 Recording Option 60 FPS (7.5 FPS Per Channel) D1 Playback Resolution 704x480 for a start 704x480 is not true D1 it is best 4cif so sales spec. 8 Channel DVR | Real-time | CIF/D1 Resolution | H.264 Model: QT428 should read. 8 Channel DVR / none Real-time / 4CIF Resolution /H.264 Model: QT428. because 99% of people will want the best from that unit. like i said there is nothing wrong with 4cif its just NOT true D1 and they are hard to find at full real time 720x480 and when you do there not £300 DVRs Share this post Link to post Share on other sites
shockwave199 0 Posted June 23, 2012 704x480 720x480 Thank you. I have learned something. That bit of difference has sneaked by me. I'd be fine buying a 4cif spec, but at least I know what I'm truly buying. I feel like a dope, but I hate perpetuating marketing lies with any product. So live and learn. Share this post Link to post Share on other sites
Warren 0 Posted June 23, 2012 704x480720x480 Thank you. I have learned something. That bit of difference has sneaked by me. I'd be fine buying a 4cif spec, but at least I know what I'm truly buying. I feel like a dope, but I hate perpetuating marketing lies with any product. So live and learn. Shockwave you aren't the only one that has been caught out like that. I saw an 8CH H.264 DVR with 4 CCD Cameras, I then checked the specs Video Compression H.264Video System NTSC / PAL Video Input 8 BNC Inputs Video Output 2 BNC Outputs, 1 VGA Output Display Resolution NTSC 704x480 (D1) Display Resolution PAL 704x576 (D1) Display Frame Rate NTSC 240fps Display Frame Rate PAL 200fps Display Modes Full Screen/ Quad / PIP / S.E.Q. HDMI Interface NO Max.VGA Resolution 1440x900 So I thought 240fps which would mean 30 fps per camera & D1 resolution. I was wrong. I am still playing around with the system but I can't seem to get a decent picture with anything more than 4 cameras. Share this post Link to post Share on other sites
tomcctv 187 Posted June 23, 2012 704x480720x480 Thank you. I have learned something. That bit of difference has sneaked by me. I'd be fine buying a 4cif spec, but at least I know what I'm truly buying. I feel like a dope, but I hate perpetuating marketing lies with any product. So live and learn. Shockwave you aren't the only one that has been caught out like that. I saw an 8CH H.264 DVR with 4 CCD Cameras, I then checked the specs Video Compression H.264Video System NTSC / PAL Video Input 8 BNC Inputs Video Output 2 BNC Outputs, 1 VGA Output Display Resolution NTSC 704x480 (D1) Display Resolution PAL 704x576 (D1) Display Frame Rate NTSC 240fps Display Frame Rate PAL 200fps Display Modes Full Screen/ Quad / PIP / S.E.Q. HDMI Interface NO Max.VGA Resolution 1440x900 So I thought 240fps which would mean 30 fps per camera & D1 resolution. I was wrong. I am still playing around with the system but I can't seem to get a decent picture with anything more than 4 cameras. hi. Warren its not a matter of being caught out 4cif is good for most applications or budget level DVRs and have been around for a long time. this is why you see so many of us saying brand name. 4cif can be good and bad (very cheap china products) a bad 4cif writen codec will give bad images fast moving objects will give a mosaic effect. a good 4cif found with name branded units have a better codec . Video Compression H.264Video System NTSC / PAL Video Input 8 BNC Inputs Video Output 2 BNC Outputs, 1 VGA Output Display Resolution NTSC 704x480 (D1) Display Resolution PAL 704x576 (D1) Display Frame Rate NTSC 240fps Display Frame Rate PAL 200fps Display Modes Full Screen/ Quad / PIP / S.E.Q. HDMI Interface NO Max.VGA Resolution 1440x900 this is a typical HIDE spec it points out the best only. but misses the major point. NOTHING of recording Resolution. spec only shows Display (live view) if they dont list recording you can take it as CIF Share this post Link to post Share on other sites
shockwave199 0 Posted June 23, 2012 Yeah I mean, even I could see through that one. Live/recording is like city/highway. You lead with your best spec. It's that 704/720 that I didn't take into account. Share this post Link to post Share on other sites
ak357 0 Posted June 23, 2012 this is a typical HIDE spec it points out the best only. but misses the major point. NOTHING of recording Resolution. spec only shows Display (live view) if they dont list recording you can take it as CIF And If They do list Recording resolution so what ? Did you see one CCTV DVR which can resolve every pixel ? I have seen and sold lots which will create 4CIF or D1 Size rectangular but None will give true D1 Quality Share this post Link to post Share on other sites
tomcctv 187 Posted June 23, 2012 And If They do list Recording resolutionso what ? thats simple............. if they dont list it then you dont know what your buying. real time live viewing at 4cif. but the system is useless if the important part playback is only at a low resolution. its just a waste of money I have seen and sold lots which will create 4CIF or D1 Size rectangularbut None will give true D1 Quality a true D1 dvr will and does give quality true D1 were expensive (on the way out with mp) Share this post Link to post Share on other sites
ak357 0 Posted June 23, 2012 thats simple............. if they dont list it then you dont know what your buying. real time live viewing at 4cif. but the system is useless if the important part playback is only at a low resolution. its just a waste of money a true D1 dvr will and does give quality true D1 were expensive (on the way out with mp) Tom u know as well as me that no DVR on market today will resolve every pixel People buying Chinese illusion's the sad fact is Asia play all of us very well ------------------------------------------------ just curios what is your example of true D1 DVR Share this post Link to post Share on other sites
Warren 0 Posted June 24, 2012 People buying Chinese illusion's the sad fact is Asia play all of us very well The sad fact is that Asia still have slave labour & they mass produce with the intention that you will be replacing it in 5 years time. Share this post Link to post Share on other sites
