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128k sound should be mono or stereo?So I keep reading arguments 'for' and 'against' but I never seem able to make up my mind. On one side it's a fact that no 128k model ever had ster…
... , or blue component of the video signal. It would also be trivial ... -
128k sound should be mono or stereo?So I keep reading arguments 'for' and 'against' but I never seem able to make up my mind. On one side it's a fact that no 128k model ever had ster…
... , or blue component of the video signal. It would also be trivial ... -
My 128k +2 Clean upI decided to pull my old 128k +2 and 48k rubber key out of the attic this weekend. Not been switched on in 30 years or so. The rubber key is dead …
... . It already has the composite video output. The sound mod is ... ) of money. However, the composite video signal is present on Pin 1 ... -
New video about S-video modification on Issue two 48K Spectrum.I just finished an s-video modification on an Issue two 48K Spectrum so I made a video about it. Most of the technical details are in the video; if y…
If the signal is a composite video signal, nothing can get you back ... quality limitations of the composite video signal. The original conversion to composite ... parts of the original composite video signal were supposed to be colour ... -
New video about S-video modification on Issue two 48K Spectrum.I just finished an s-video modification on an Issue two 48K Spectrum so I made a video about it. Most of the technical details are in the video; if y…
When it comes to analogue video signal processing, there are many things ... . For the same reasons, the video output from unmodified machines will ... -
Monochrome monitorsSilly question perhaps, but thinking back were there any games specifically written to be used with a monochrome monitor? Is it true that monochro…
... the video signal is carried over to the monitor—a composite video signal will ... -
Monochrome monitorsSilly question perhaps, but thinking back were there any games specifically written to be used with a monochrome monitor? Is it true that monochro…
... word) about composite video.
A monochrome composite video signal is equal in ... mixed into the monochrome composite video signal that system limitations show up ... from the “monochrome” brightness/contrast video signal. Hence is far better. But ... -
Composite out, but without a mod?Through [url="https://faqwiki.zxnet.co.uk/wiki/ZX_Spectrum_16K/48K_edge_connector#Video_Outputs"]this[/url] page, it sounds like I can keep my ZX Spe…
... pick-up the composite video out signal from the expansion connector ... components to polish up the signal?[/quote]
It’s ... Spectrum’s non-standard composite video signal. Sometimes it’s possible ... in series with the composite video signal, but don’t expect ... -
Composite out, but without a mod?Through [url="https://faqwiki.zxnet.co.uk/wiki/ZX_Spectrum_16K/48K_edge_connector#Video_Outputs"]this[/url] page, it sounds like I can keep my ZX Spe…
... a colour composite signal and a monochrome signal are available ... there will be no video signals on the expansion ...
The monochrome (/Y) video signal on the edge-connector would ... />
The colour composite video signal is already buffered, so may ... -
Composite out, but without a mod?Through [url="https://faqwiki.zxnet.co.uk/wiki/ZX_Spectrum_16K/48K_edge_connector#Video_Outputs"]this[/url] page, it sounds like I can keep my ZX Spe…
... />
[quote]The monochrome (/Y) video signal on the edge-connector would ... />
[quote]The colour composite video signal is already buffered, so may ... a specific ground for the video signal?)? And 100uF? That seems quite ... -
Composite out, but without a mod?Through [url="https://faqwiki.zxnet.co.uk/wiki/ZX_Spectrum_16K/48K_edge_connector#Video_Outputs"]this[/url] page, it sounds like I can keep my ZX Spe…
... applies to the ‘Y’ monochrome video signal.
Sorry, maybe ... my comments about the composite video a little better. What ... is, with some TVs or video equipment, as they already ... capacitor, then the composite video output from the ZX Spectrum ... -
Monochrome monitorsSilly question perhaps, but thinking back were there any games specifically written to be used with a monochrome monitor? Is it true that monochro…
... word) about composite video.
A monochrome composite video signal is equal in ... mixed into the monochrome composite video signal that system limitations show up ... from the “monochrome” brightness/contrast video signal. Hence is far better. But ... -
Magnum Light Phaser supportHello I've been hoping as well as searching Emulators that support the Magnum Light Phaser as my original ZX Spectrum 2A+ James Bond Action Pack won'…
... have to convert the analogue video signal to a digital form. Stream ... -
Recreated Spectrum .What do we get for the "now" (Aug 2017) best retail price of around £35?Well best/ cheapest retail prices can vary a bit so I thought it best to be specific. At this £35 price ,is it a good deal and what do we get ? A…
... separate out the audio and video signal.
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In the ... -
Better graphic in new ZX gamesLCD TV (ideally full hd) used with ZX Spectrum enable using new graphic modes with 2x higher vertical resolution, more colors and without attribute c…
... changes the properties of the video signal or anything (not possible with ... -
Better graphic in new ZX gamesLCD TV (ideally full hd) used with ZX Spectrum enable using new graphic modes with 2x higher vertical resolution, more colors and without attribute c…
A standard video signal isn't likely to bounce ... -
Video: Composite video mod on the ZX SpectrumThe video actually ended up being mostly about digging deep into into the image generation of the ZX Spectrum. Eventually I make the composite video …
... a great job handling the video signals better than modern LCD ... . Maybe I'll do a video on monitor types in a ... directly, I'm not a video signal expert, but I don't ... -
Video: Composite video mod on the ZX SpectrumThe video actually ended up being mostly about digging deep into into the image generation of the ZX Spectrum. Eventually I make the composite video …
... know that CVBS (and S-video) signal undergo an enhancement treatment by ... any make-up to the signal source is also a ... s-video signals coming from different machines.
128K CVBS signal ... looks better than 48K CVBS signal because of the ... -
Video: Composite video mod on the ZX SpectrumThe video actually ended up being mostly about digging deep into into the image generation of the ZX Spectrum. Eventually I make the composite video …
... directly, I'm not a video signal expert, but I don't ... YUV but it seems the signal coming from the Spectrum can ... -
Video: Composite video mod on the ZX SpectrumThe video actually ended up being mostly about digging deep into into the image generation of the ZX Spectrum. Eventually I make the composite video …
... directly, I'm not a video signal expert, but I don't ... it to S-Video, rather than RGB. The luma signal stays as ... ) back into a valid chroma signal. Not sure if it’s ... -
Video: Composite video mod on the ZX SpectrumThe video actually ended up being mostly about digging deep into into the image generation of the ZX Spectrum. Eventually I make the composite video …
... directly, I'm not a video signal expert, but I don't ... YUV but it seems the signal coming from the Spectrum can ... that.[/quote]
The YUV video signals inside a ZX Spectrum ... component video signals that some TVs have inputs for. The signal levels ... -
Should I get a NEXT?Despite my having wanted one almost since I heard about it, I'm beginning to wonder whether it would be an extravagance, 'cos its sure to cost a fair…
... accurate processor AND generate a video signal AND generate three channel sound ... -
Miscellaneous ZX81 stuffI was not sure where to put this . As it is not Speccy related I had a dilemma . Should it go in Chit Chat . But then I had a better idea : if I call…
... to invert the /Y video signal on pin 16 underside of ... the normal ZX Spectrum composite video signal through a ZX8CCB, as even ... white picture, the colour carrier signal is still present. And ... will completely remove the carrier signal.
[b][i ... -
Miscellaneous ZX81 stuffI was not sure where to put this . As it is not Speccy related I had a dilemma . Should it go in Chit Chat . But then I had a better idea : if I call…
... manual says "Integrate a small video jack (3.5) between the ...
[*]Yellow wire for the video signal from the ULA
[*]Black ... ][*]Brown wire for the composite video output
[*]Black wire for ... -
48k Spec with composite video mod, screen adjustment possible?I've had a 48k Speccy with a composite video mod for a few years now, and although it works perfectly otherwise, the screen isn't centered correctly …
... time between the horizontal synchronisation signal pulse (part of the ... the visible part of the video signal. And if anything, it’ ... not like the non-broadcast video signal generated by the Spectrum. But ... similar in terms of the signal timing.
[b ... -
New video about S-video modification on Issue two 48K Spectrum.I just finished an s-video modification on an Issue two 48K Spectrum so I made a video about it. Most of the technical details are in the video; if y…
... in the quality of the video signal.
In my case, when ... -
ZX80 in a BoxAfter putting a [url="https://worldofspectrum.org/forums/discussion/57916/spectrum-in-a-box#latest"]Spectrum in a Box[/url] a while ago, I thought it…
... the two wires for improved video output (white and grey) from ... horizontal tearing. I checked the video signal with an oscilloscope and found ... own extension to the original video circuitry, which provides an improved ... -
Spectrum +2 grey to VGA and GBS-8200Hi friends, need your help with a cable i am trying to make it work, using this link https://cygnus.speccy.cz/popis_propojeni_zxs128kplus2_a_g…
... to test the comp. sync video signal? if this is faulty how ... -
Spectrum +2 grey to VGA and GBS-8200Hi friends, need your help with a cable i am trying to make it work, using this link https://cygnus.speccy.cz/popis_propojeni_zxs128kplus2_a_g…
... the status of my composite video signal (pin 1 on the ... (ground) the signal was not good (the signal was distorted black ... /> good news, fixed the composite video signal, now is having color and ...
bad news, no signal and black signal for the GBS-8200 ...