Specify video format, e.g. NTSC, ATSC, VGA, etc.

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2
votes
2answers
40 views

How to mix to video sources into a split screen (two inputs, one output)

I want to build a circuit for my car (It has two cameras, front and rear) that shows me the front and rear camera in the same screen (splitted), top half the video from the front camera and bottom ...
1
vote
0answers
15 views

Composite Video over Fiber at DWDM frequency [on hold]

I am trying to set up an analog test system to demo the capability to transmit an analog signal over fiber at a specific wavelength (in DWDM ITU channel range). I would like to grab a video output ...
-4
votes
0answers
17 views

USB powered HDMI to dual output analog signal for VIDEO? [on hold]

I've been searching for hours now, to find this specific adapter but with no result, I came here to ask. Is there any commercial off the shelf product that can intake HDMI video input and outputs ...
-1
votes
0answers
8 views

Transferring digital video data to an android phone using Wifi [on hold]

I'm currently working on a project that uses a camera to capture video for 30 minutes in PAL (analog: 1V Vpp) format. I would like to convert this analog video signal into digital using ADV7180 by ...
0
votes
0answers
20 views

How can I build a RGB+CSync to SCART video cable for a vintage camera control unit?

I'm an associate professor at a university in Japan, and last year I discovered that my university has two working, vintage Sony DXC-M3A Saticon tube video cameras, along with accompanying power ...
0
votes
0answers
24 views

Sending data from web app to arduino powered virtual doorman [on hold]

I do not know much about electronics but am looking to learn more. I have a small project I have completed a good portion of that I now need some electronic expertise to determine if what I am trying ...
0
votes
0answers
42 views

What is Line-Locked Clock?

I was going through data sheet of one video decoder IC. Where I came cross this term Line-Locked Clock (LLC). There is one LLC out pin. What I think is, it this same as pixel clock. When ever one ...
2
votes
1answer
67 views

Opamp, Amplify square wave or video

Suppose I have a digital signal, or at least a signal that is gnd referenced. Like a NTSC video signal for instance like this: Then I have a single supply opamp, and I want to amplify this by 2x ...
0
votes
1answer
234 views

TC358743XBG HDMI to CSI-2 Board

I've got a project in which I have video output from a camera which I can have in either video out or HDMI out. This signal, then, is to be sent to a Raspberry Pi to be used in a computer vision ...
0
votes
0answers
52 views

s-video amplifier

Are there any circuits/devices that is cabable to amplify a s-video signal (some allso call it s-vhs which is misleading). The s-video signal goes through a 10 m cable and has 4-pin mini-din ...
0
votes
0answers
64 views

Is it possible to encode a mpeg2-ts video with a FPGA linux core?

I need to take an unencrypted HDMI input, buffer that to memory, overlay it if possible, than encode it as mpeg2-ts and output it to an external device. I could do that with a raspberrypi and an ...
1
vote
0answers
201 views

Convert SOG to VGA using LM1881

I need to convert RGsB (aka SOG or Sync On Green) to VGA. I've built the circuit as shown below: The circuit works but the output picture looks quite striped, something like this image: Any ...
0
votes
0answers
55 views

LCD/Composite Video Scrolling problem

I've seen this on a few other sites but haven't found a satisfactory answer. I'm trying to hook up the composite video out from a NES-on-a-chip console to an LCD I got on ebay. The LCD claims to ...
0
votes
1answer
129 views

Video Standard White Levels, RS-170 or RS-343

I have a customer defining some equipment which outputs analogue video. They have said it would be to NTSC RS-170A standard Y C (on a S-Video, Mini Din connector), however I'm not sure if they really ...
0
votes
1answer
46 views

What solutions are available for generating video signal?

I'm looking for a video chip that could handle VGA resolution. It should be able to provide VGA, HDMI and Composite video out. It needs to have some basic hardware acceleration eg. built in support ...
1
vote
0answers
71 views

RGB Cable Assignments - help

I have a video cable D-Sub 9 pin. Someone know the connector pin assignments to do a RGB 3 bnc cable? Someone can help me? Below, the image of description of the cable
3
votes
3answers
96 views

Separating the AM and QAM components in PAL signal demodulation

I'm attempting to emulate the modulation and demodulation of a PAL video frame in software, but I'm having trouble understanding how the AM (luma) and QAM (UV) components of the signal are separated ...
0
votes
1answer
54 views

Transmitting AV signals one way

I have a video feed that's two AV cables (one sound, one video) and I'm looking to transmit them from the source to about 100-200 meters away. Specifically, I need some sort of transmitter/receiver ...
2
votes
2answers
521 views

Split TV signal to make a video wall

I'm working on this project for University. We are generating visuals by sending audio signals from the computer to an old tv. Left channel to TV's Vertical, right channel to TV's horizontal. We send ...
0
votes
0answers
109 views

Spy camera in a pen with streaming

I want to have a device in a pen, which can somehow transfer video data (or even photo would be great) within a 80-120m range. There're lots of "spy pens" on eBay, but I need one to be able to do its ...
0
votes
2answers
82 views

Using 3 Channel Video Switcher Module with Arduino

Hey all I am wondering how to go about switch from camera 1, 2 or 3 using this 3 Channel Video Switcher Module on ebay here. Since there's only V+, V- and signal for the "switch" it looks to take a ...
0
votes
0answers
43 views

Acquiring H-sync and V-Sync signals of video from BNC conections for FPGA boards

I am new to FPGA's and I want to do some video processing task. Assuming I have the sync signals, the algorithm is almost complete. But I don't know how to get them in hardware, in fact I don't know ...
2
votes
2answers
123 views

Building a framebuffer

I'm trying to build a framebuffer using an FPGA and an external memory. I have a soft core CPU running on the FPGA as well a small chunk of logic to output signals to an LCD. My goal is to have the ...
0
votes
2answers
62 views

Best Sensor for obtaining types of objects at a distance

I could not completely describe the sensor required in the title, what I am looking for is a sensor that can pick up if there is a different material, from a preconfigured material type, lets say in ...
1
vote
1answer
86 views

New PowerVR Support Introduced to ARM Cortex-A Embeded Processors [closed]

I understand that ARM Cortex-A and their graphics processing is a highly problematic section in GNU/Linux world I have heard due to the fact that Open-GL is not so much developed to the extent it is ...
3
votes
3answers
656 views

VGA signal timing calculation using MCU

I want to generate VGA signal with microcontroller. But I have hard time finding solution online how to generate them in software. For e.g. Usually all online VGA signal generation just explains ...
6
votes
3answers
2k views

Why can't analog video be compressed like digital video (example inside)?

I'm learning the basics of analog and digital TV signals and I came across this short article (see the next page as well). Why can't analog video signals be compressed in a similar way to digital ...
0
votes
0answers
220 views

Video input to Raspberry pi

I have a camera that gives analog video (composite-CCIR standard) output.I want to connect this camera to my Raspberry pi B model. I thought of using a normal video decoder and connect the parallel ...
1
vote
0answers
92 views

Video streaming from image processor

The project I'm working on involves streaming video from an image sensor to an LCD, preferably as cheaply as possible. My question is: can I get an image processor/sensor SOC (a la ...
0
votes
0answers
69 views

Displayport-to-analog video OR HDMI-to-analog video conversion

In an embedded system, we have two video sources which output identical image data: one of them is DisplayPort, the other one is an HDMI output. In this embedded system, we need an analog video ...
1
vote
1answer
174 views

Xilinx Video Timing Controller freezes processor

I'm trying to acquire video from an image sensor using a ZedBoard with Vivado 2014.2 and I used an existing (working) video passthrough project of mine and simply added in a debayer (color filter ...
-2
votes
1answer
99 views

Prototype for 8x8 RGB LED display [closed]

I am planning to build a small, very low-resolution, 8x8 RGB LED display, which would be able to display a video (some kind of colorful visualization, lo-res) or a picture from PC via DVI or HDMI ...
0
votes
0answers
68 views

Problem in connecting a VGA socket to a LED projector

I am building a mini LED projector. I have obtained the following parts from an old and used projector: 1) RGB LED box: 2) Himax signal processing card: Now, I want to connect a VGA port to ...
1
vote
1answer
2k views

Raspberry Pi stereo camera frame synchronization/genlock (video or still image)

I need to frame synchronize a stereo camera for a computer vision application. The synchronization should the best possible, hopefully on a millisecond level. I would like to get about 10 FPS either ...
1
vote
1answer
773 views

Genlock two OV5642 camera modules on Arduino with ArduCam

I need to shoot stereo video or stills at about 10 FPS possibly in perfect sync. My plan is to set up a 3D stereo rig (2 standalone units - each consisting of Arduino UNO + ArduCam shield + OV5642 ...
1
vote
1answer
74 views

Phase in NTSC and TMS9918

In the YIQ space (I am referring to this wikipedia's article) colors with phases near 0 are close to red. In the TMS9918 datasheet's table, however, in the expression of colors as A' and phase, blue ...
1
vote
1answer
232 views

How to make a simple Video Switch?

I thought making this would be simple, but I've found it a lot harder than I anticipated! What I mean is that I have one screen/monitor, and two video players (all video is through RGB component, RCA ...
0
votes
1answer
2k views

SCART to VGA adapter - green picture

I want to connect my DVD player which has a SCART output to a computer LCD monitor with VGA input. The DVD player supports the Progressive scan mode. It supports both PAL and NTSC. I've built this ...
1
vote
0answers
36 views

Video guidance system for 3pi robot to PC

I am currently working on a graduate project. It aims to build the guidance video system from 3pi robot. The video input would determine the types of action that the robot needs to executed. I'd like ...
0
votes
3answers
203 views

Example of a PLL for video genlocking

I am looking for an example of a video genlock pixel clock generate using a PLL synchronized to the video sync signals. Such things seem to be rather rare now as everything has moved to highly ...
2
votes
2answers
266 views

How to generate a composite video

I am working on a project that will output either NTSC or PAL video. The video is mainly text (color and Hebrew text) on top of a background image (that I need to download to the microcontroller). ...
2
votes
1answer
55 views

Best method for trasmitting multiple video feeds at once via Bluetooth or WiFi?

If I want to transmit several video feeds via Bluetooth or WiFi what would be the best method to do so in order to save on bandwidth, increase speed, and maintain quality? I wanted to know what is ...
1
vote
0answers
3k views

Audio + Video Transmitter + Reciever With 5 - 10 KM Range Circuit Diagram [closed]

I'm looking for a circuit diagram for a audio (doesn't have to be stereo) with video transmitter and reciever that has a range of more that 5 kilometers. I don't really have any limits on power ...
0
votes
2answers
90 views

Cell phones video encoding

My question is, how are cell phones bale to produce on the fly video like mp4? Are they using a hardware encoder chip? Because most of them run on ARM chips? Are there ARM chips that can handle the ...
0
votes
4answers
307 views

Strange amplitude fluctuation in video signal

I am reading a video signal from a CCD array. For some reason I get this extreme vertical jitter. I use decoupling and bypass caps everywhere possible. But it does not seem to be the noise issue. Any ...
4
votes
1answer
191 views

Can the DS1052E be used for reliable NTSC measurement?

I'm in the market for an oscilloscope. I've read that the infamous DS1052E from Rigol is a great beginner scope due to the price/performance. However, I know I have a lot to learn and simply don't ...
2
votes
1answer
159 views

Calculate highest modulating frequency for T.V. system

Calculate the highest modulating frequency for following data: Case: Alternate black and white dots for equal vertical and horizontal resolution.The no. of scanning lines are 250.Interlace ratio is ...
3
votes
5answers
3k views

Why there is 625 lines [ PAL ] in T.V. scanning or odd lines?

I can't get why there are 625 lines in a PAL scanning system. I read R.R.Gulatti's standard book. In that there is a reason like: "Suppose there are x lines in 1 field. Then for two field its ...
2
votes
2answers
359 views

Can a composite video line doubler be made using simple hardware components? (composite -> progressive scan)

I have a lot of old analog video equipment and my trusty Apple IIe Color Monitor is finally dying. Since CRT's aren't produced anymore, and because I just am interested in how it is done, I obtained a ...
1
vote
0answers
87 views

DSP board for non-standard video output? [closed]

I've got a project that requires outputting three arbitrary video signals at video rates. The idea is that two of them represent the x and y axes of a raster scan, and the third carries monochrome ...