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

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-3
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0answers
27 views

Need ideas for simple closed circuit tv for church overflow room [on hold]

The Need: In our small church, we have an "overflow" room right across the hall from the main room where the pastor speaks. We're already getting sound into the overflow room separately, but we need ...
0
votes
2answers
77 views

Send Pixels From MCU to HDMI

I would like to send pixel data from a MCU (PIC24 or PIC32) to a LCD computer monitor via HDMI. Ideally, I would only update frames as needed and not have to transmit them continually. Can it be ...
0
votes
1answer
66 views

Use 4-pin S-video cable connector on RGB LED?

I'm hoping to make some 4-pin RGB LEDs (R, G, B, GND) easily hot pluggable, so I'm wondering if 4-pin S-video connectors could be used. Now, 2 of the pins on a S-video connector are GND, so would ...
-1
votes
0answers
33 views

What stream compression technique can I use efficiently with ARM uC?

My requirement is to send video stream to the receiver. I chose 640x480 res. at 24fps. But this requires a lot of data rate. Hence it is needed to compress the data and then transmit. Where I am stuck ...
0
votes
0answers
30 views

Micro pc to control scenography, shutdown [migrated]

In a quite complicated theater-like scene I need to project a movie on a monitor. The movie must be played when a sensor is engaged (no, I can't use an IR remote control). I was thinking about using ...
5
votes
3answers
238 views

Video Home System (VHS) bandwidth

Standard play VHS video cassette recorders offered only about 3 MHz luminance bandwidth by recording the signal on an FM carrier. What is that carrier frequency? Is it possible to confirm the carrier ...
1
vote
3answers
53 views

What makes cables suitable or unsuitable for a given purpose?

I've been working on a homebrew set of VR Goggles w/ head tracking, and am just beginning to plan the cable that will connect the parts on the user's head to the electronics on the main unit (which ...
2
votes
2answers
64 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
16 views

Composite Video over Fiber at DWDM frequency [closed]

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 ...
1
vote
1answer
42 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
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0answers
47 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
75 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
303 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
53 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
74 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
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0answers
233 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
61 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
171 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
48 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
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0answers
75 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
106 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
55 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
558 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
127 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
94 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
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0answers
46 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
128 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
64 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
91 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
771 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
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0answers
235 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
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0answers
96 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
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0answers
72 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
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1answer
194 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
107 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
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0answers
69 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
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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
840 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
272 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
3k 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
38 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
224 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
294 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
56 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
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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
96 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
309 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
201 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 ...