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Question about digitized sound and videoI searched the forums and couldn't find the answer, so here it goes. Regarding digitized sound: I remember reading an article long ago about a vid…
... Spectrum -- I expect the high frequency noise is filtered out by ... -
Question about digitized sound and videoI searched the forums and couldn't find the answer, so here it goes. Regarding digitized sound: I remember reading an article long ago about a vid…
... on the beeper. The carrier frequency is at 16kHz, that's ... -
C64's SID music on ZX - the demo is HERE!!I'm proud to announce, that two great persons from Central Europe - Poke & Omega - have made something really important for Spectrum world. Now ZX …
... hw should attenuate the high frequency carrier and it should sound ... -
Audio input on a +2would it be possible to connect an external tape recorder to the socket at the back,or would something bad happen?
... any signal below a certain frequency.)
anyway, (FX: shuffles ... here to attenuate unwanted higher frequency noise.
The circuit ... -
Did I killed my Speccy ???Hi guys, 1 minute ago I was working on my 128 +2A... But I made a mistake : I cut the gound on the PSU plug of the computer, and I forgot to resolde…
... processor has the same clock frequency as before, alas the +2a ... -
ToastrackYay! I now have a toastrack 128K. It even works (the TV modulator's a bit dodgy though). I've wanted one since like 1986.
... /> As for the modulator, the frequency drifts as it warms up ... -
Adding AY music to your plogramI'd like to add some nice tune to my program written in machine code. I am not new to assembler programming but with music programming I have no expe…
... . There is also a note/frequency table that you can use ... -
TV Modulator. Can it be repaired?Is it possible, to repair tha TV modulator (after removing it) if it gives wavy picture? I replaced both transistors (tr1/2) and both electrolytic ca…
... too close to a broadcase frequency else ytou'll make it ... it hard to keep the frequency stable (the iron in the ... -
TV Modulator. Can it be repaired?Is it possible, to repair tha TV modulator (after removing it) if it gives wavy picture? I replaced both transistors (tr1/2) and both electrolytic ca…
... it's use of high frequency RF, it's quite likely ... of 1% of the total frequency. I'ts like losing less ... -
Mysteries of Electricity QuizA little fun quiz that I know the answers to, but may lead to some head scratching and disbelief, but there's easy experiments than can be performed …
... transmitted at 8hz, very low frequency and would pass through the ... ionosphere cavity being the same frequency and it having an effect ... in the universe has a frequency. Like frequencies react. When we ... -
New version of k7zxHere it is version 3 of k7zx [url]http://personal.auna.com/casariche/k7zx/k7zx3.htm[/url] It supports 128k snapshots. It adds new loading methods …
... now , briefly:
Sampling frequency. That sould be the working ... frequency of the audio device ... loading)
1/2 Frequency. It serves to reduce to ... ratio (even option 1/2 frequency works). Spectrum original are slower ... -
Speccy 128Im looking to buy a speccy 128 (pref the original sinclair model (even better with the additional keypad)) to replace my broken 48+. I dont have a jo…
... uses 6 MHz sound carrier frequency, while the main Europe uses ... -
Problem with ZX Spectrum 128k +2B Tv Output and RGB imageHello, Last week I've been ofered with a ZX Spectrum 128k +2B but I have a problem with the tv out (through RF modulator) .The image is clear on the…
... in the modulator and the frequency fixed at C-35.But ... -
PZX file format draft[QUOTE=Andrew Barker;186084]To this date, there is no rival format for TZX, despite people saying they can do better. Well the challenge is on, prov…
3500000 Hz sampling frequency is a hardware specific value, ... -
PZX file format draft[QUOTE=Andrew Barker;186084]To this date, there is no rival format for TZX, despite people saying they can do better. Well the challenge is on, prov…
... =Kio;187594]3500000 Hz sampling frequency is a hardware specific value ... -
PZX file format draft[QUOTE=Andrew Barker;186084]To this date, there is no rival format for TZX, despite people saying they can do better. Well the challenge is on, prov…
... on 3.5 MHz sampling frequency.
I just suggest ... -
New - BASin r13a is available for downloadHi all, Here's the latest BASin. Mostly just bugfixes, but also now has the upgraded UDG editor which can now edit multiple UDGs on one editing gri…
... />
i found a cpu frequency slider in basin, but didn ... -
New - BASin r13a is available for downloadHi all, Here's the latest BASin. Mostly just bugfixes, but also now has the upgraded UDG editor which can now edit multiple UDGs on one editing gri…
... />
i found a cpu frequency slider in basin, but didn ... -
Problems with TS2068sI bought 2 TS2068s, and this is what's happening: 1st computer: -The tv output doesn't work. The composite video output does* -The '7' key is dead.…
... being run at a higher frequency might still make noise, but ... bother your cat because the frequency's too high for you ... -
PZX file format draft[QUOTE=Andrew Barker;186084]To this date, there is no rival format for TZX, despite people saying they can do better. Well the challenge is on, prov…
... .4 ms (which matches a frequency of 54 Hz). Longer pulses ... you have a real low frequency signal which can't be ... -
I wonder if . . .An M68k could emulate a ULA. You know, like the ZX80 used the cpu for rastering the picture on the screen. This would mean that the people who clone…
... 68K at the same clock frequency, since it can run one ... -
Problems with my specs!!! Help wanted!!Hi, I newly had a zx spectrum 48+ and a Spectrum +2 and got problems with them. The keyboard of 48+ is not working. When i turn it on i see the clas…
... colour comes back (or the frequency drifts and you lose the ... -
Problems with my specs!!! Help wanted!!Hi, I newly had a zx spectrum 48+ and a Spectrum +2 and got problems with them. The keyboard of 48+ is not working. When i turn it on i see the clas…
... colour comes back (or the frequency drifts and you lose the ... -
Office PlopHaving a dump in work. It's just not right is it ?
... that hit the precise resonant frequency of the bathroom itself (and ... -
Speccy 128 and Commode 1702 monitorHey Hardware Gurus, I tried to hookup a toast rack speccy 128 to my Commodore 1702 Monitor. It comes through ok but Black and white and no sound (do…
... . Older TVs had a broad frequency tolerance, and most knew only ... -
Speccy 128 and Commode 1702 monitorHey Hardware Gurus, I tried to hookup a toast rack speccy 128 to my Commodore 1702 Monitor. It comes through ok but Black and white and no sound (do…
... . Older TVs had a broad frequency tolerance, and most knew only ... -
Tape not loading - ideasI have two spectrum 48k rubbers. The tape drive is one that has a data mode and a ph mode. The data mode overrides the volume control. Prior to last…
... here that has a high frequency modulation on it's output ... it, there's a higher frequency wave superimposed on the Speccy ... -
Tape not loading - ideasI have two spectrum 48k rubbers. The tape drive is one that has a data mode and a ph mode. The data mode overrides the volume control. Prior to last…
The high frequency-signal you got there, may ... -
Tape not loading - ideasI have two spectrum 48k rubbers. The tape drive is one that has a data mode and a ph mode. The data mode overrides the volume control. Prior to last…
[QUOTE=Pilsener;198555]The high frequency-signal you got there, may ...