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  • AY Magic version for ZX81 was bornModified Ay magic ,my previous interface for zx48. On board, ay chip based on Zonx interface but with stereo output and rampack 16 or 32 kilo on boa…

    ... .rwapservices.co.uk/ZX80_ZX81/forums/ay-tunes-on-a-zx81-t12 ... we need to turn the AY Magic into an all-in ... interface?

    [CODE]Board Frequency Register Select Data
    Quicksilva ...
    zxbruno zxbruno May 2011 Hardware
  • PentEvo/ZX Evolution PreviewCheck this -> [url]http://www.youtube.com/user/3ASOFT[/url] some Videos showing the PentEvo/ZXEvo ([url]http://www.nedopc.com/zxevo/zxevo.php[/url])…

    ... ;
    Add AY-printer interface;
    Add controll of frequency multiplier;
    Mister Beep Mister Beep July 2011 Hardware
  • Challenge Sprint 4x tape recorderHi, I noticed a [url="http://www.worldofspectrum.org/infoseekid.cgi?id=1000051"]Challenge Sprint[/url] on eBay, and checked out the WoS entry for it…

    ... is merely a loading-like noise, which follows the actual data ... mean: the noise I hear is twice the frequency of a standard ... scheme, not 4 times the frequency, as I was expected. Besides ... socket will block the higher frequency portions of the audio signal ...
    mcleod_ideafix mcleod_ideafix August 2011 Hardware
  • Stereo AY Spectrum availabilityGood morning to all and sundry on this (wet?) Friday morning! I was wondering available ARE stereo spectrums? As far as I'm aware, in the normal rea…

    The mod for stereo AY is documented here:
    [url] ... ,4 and 5 on the AY chip so they are not ... it at very dense, high frequency PCB's (like for example ... , B and C (from the AY chip) and BEEP (from C37 ...
    mcleod_ideafix mcleod_ideafix August 2011 Hardware
  • Games with best sound effects?I used the advanced search and couldn't find a topic dedicated to it. When I say "best" I mean not just sound effects that sound like what they're s…

    ... make limited AY emulator for beeper (one channel of tone+noise with ...
    Shiru Shiru August 2011 Games
  • Z80 sound enginesI'm looking for a decent sound engine to use in a Z80 program I'm writing, but I've no idea which is the best/fastest/easiest to use. I could do wit…

    ... will sound. Whereas for an AY tune, you just feed the ... wholly (or partly) random for noise. With either, you can widen ...
    joefish joefish September 2011 Development
  • Z80 sound enginesI'm looking for a decent sound engine to use in a Z80 program I'm writing, but I've no idea which is the best/fastest/easiest to use. I could do wit…

    ... sound stops.

    For AY 'best' is not fast, and ... sound. Whereas for an AY tune, you just feed ... wholly (or partly) random for noise. With either, you can ... time to play an AY tune on the title ... half of time spend in ay driver.[/QUOTE]

    ...
    polomint polomint September 2011 Development
  • Speccy 2010 UpdateI've made myself a to Speccy 2010. In addition to TurboSound (2xAY) it adds SounDrive and Covox support. Supported modes are SounDrive Mode 1, SounDr…

    ... in YM vs 4 in AY. This fix has been implemented ... . Maybe AY will need some work on better noise generator? Need ...
    poopi poopi October 2011 Announcements
  • playing sound samples from Boriel's zxbasic-compilerfirst of all, sorry if it sounds confusing if i'm posting this thread here instead instead of at Discussions:SinclarBasic it's because this is more …

    ... = sample count
    ;
    ; * Carrier Frequency
    ; Fc = Fcpu/(105 + 4 ... time which sets the carrier frequency.

    I can already ... volume tables normally used for AY sample playback gets that better ...
    Alcoholics Anonymous Alcoholics Anonymous October 2011 Development
  • Speccy 2010 UpdateI've made myself a to Speccy 2010. In addition to TurboSound (2xAY) it adds SounDrive and Covox support. Supported modes are SounDrive Mode 1, SounDr…

    ... just a representation of loading noise to feed into the audio ... Vodka Party this year, where AY was behaving very strange? (We ...
    gasman gasman October 2011 Announcements
  • Speccy 2010 UpdateI've made myself a to Speccy 2010. In addition to TurboSound (2xAY) it adds SounDrive and Covox support. Supported modes are SounDrive Mode 1, SounDr…

    ... just a representation of loading noise to feed into the audio ... was something with normal 50hz AY engine.
    Ah well, no ...
    Yerzmyey Yerzmyey October 2011 Announcements
  • which zx-spectrum games uses 1bit sound samples?hi! I'm looking for zx-spectrum games using 1bit sound samples. Compairing with msx, which has far less games available than zx-spectrum, there are f…

    ... spectrum version sounds like aliasing noise is present.[/QUOTE]

    frequency, the better it should sound ...
    PrinceGaz PrinceGaz November 2011 Games
  • Beepola helpBeen trying to use this to do some 2 channel music. I'm pulling what's left of my hair out. Anyone any idea how I get it to play one note at a time…

    Nothing in Beepola plays through AY.

    The ROM beep ... will sound weird (like a noise) in slow RAM.
    Shiru Shiru November 2011 Development
  • Unboxing my old SpeccysToday I dug out my old collection of computers from the bygone age. My ZX81 fired up fine, but it looks like the keyboard membrane is goosed, as on…

    ... not entirely set on the frequency coming from the +2 - i ... can hear Z80 beeper and AY sounds without hassle.
    Alessandro Grussu Alessandro Grussu November 2011 Hardware
  • BeepFX - beeper sound effects editor for WindowsThere is readme file and a demo project, so I don't think it needs much explaination. To get idea what it is capable for, File/Open project, load the…

    ... separate loops for tone and noise effects. The inner loops are ... slowdown the gameplay, or low frequency noise, like explosions in Star Raiders ...
    Shiru Shiru December 2011 Development
  • [NEW] Speccy for Android ReleasedHello, All! A while ago, I have released the Android version of [i]Speccy[/i], my ZX Spectrum emulator. It emulates Spectrum 16k, 48k, 128k, +2, +2A…

    ... hardware to dampen the high frequency noise.

    [quote]Even though ...
    fms fms January 2012 Emulators
  • SpecEmu 3.0Has anyone else noticed that Woody's released a version 3.0 of SpecEmu? Nope? Just me then... :D

    ... having some issues with the AY sound. The theme tune on ... sounds distinctly odd, like the noise channel isn't working all ...
    Lee Tonks Lee Tonks January 2012 Emulators
  • converting mp3 to zx importfile.is it possible?Hi peeps I am just looking through old threads and browsing through music tools on the zx in particular converting or creating ,what i am looking for…

    Well its a 128k game so AY? but if a suitable sound can be made with beeper then that will do as the bats noise is not much more than beeps pops and whistles anyway i guess.
    jammajup jammajup March 2012 Development
  • Routine for clearing screenI was looking for a 'nice' way of clearing a screen of graphics in Z80. After a ridiculous amount of time mucking around, this is the best and most …

    ... used in Mame's AY emulation for random noise generation. I know ... of it for Zero's AY emulation as well*. :P



    * Zero's AY emulation also includes reverse engineered ...
    Arjun Arjun March 2012 Development
  • Routine for clearing screenI was looking for a 'nice' way of clearing a screen of graphics in Z80. After a ridiculous amount of time mucking around, this is the best and most …

    ... used in Mame's AY emulation for random noise generation. I know ... of it for Zero's AY emulation as well*. :P

    * Zero's AY emulation also includes reverse engineered ...
    BloodBaz BloodBaz March 2012 Development
  • BUG in zxspin and SpecEmu - read Loading speed in WAV fileI'm created a new save, but it can run at 44.1 KHz, to test it, i make a new file from WAV 44.1 KHz to 88.2 KHz. Load this file in a emulator zx-spin…

    ... this waves are the same frequency, but the duty cycle are ... not equal.
    If frequency are 1 Hz, then to ... % and 95% can make by noise (noise with a lot of energy ...
    Z80user Z80user April 2012 Emulators
  • BUG in zxspin and SpecEmu - read Loading speed in WAV fileI'm created a new save, but it can run at 44.1 KHz, to test it, i make a new file from WAV 44.1 KHz to 88.2 KHz. Load this file in a emulator zx-spin…

    ... to overcome this sort of noise and that margin shrinks ... were using a single sinusoidal frequency and only varying the ... 0 bandwidth because only one frequency was being used. People ... sharp square waves. Your high frequency signals generated on the spectrum ...
    Alcoholics Anonymous Alcoholics Anonymous April 2012 Emulators
  • BUG in zxspin and SpecEmu - read Loading speed in WAV fileI'm created a new save, but it can run at 44.1 KHz, to test it, i make a new file from WAV 44.1 KHz to 88.2 KHz. Load this file in a emulator zx-spin…

    ... little slowly that the slow frequency.

    It run between ... /> The sound is like pink noise.

    I not print ... to overcome this sort of noise and that margin shrinks the ... set 0000010, it make variable frequency, and variable duty cycle
    Z80user Z80user April 2012 Emulators
  • Tritone - new three channel beeper music engineYes, yet another. This one provides three channels of clean and loud tone with interrupting drums. It is something between Music Box and Savage engin…

    ... there is some constant "sssssssssssssss" noise, which isn't preset when ... standing alongside the likes of AY music...
    --------------
    That's ...
    Mister Beep Mister Beep April 2012 Development
  • Spectrum +2 gray strong noise at TV sound outputWhat could be the reason of strong sound noise at TV channel on gray +2? In the beginning this speccy was dead, it had faulty 78S05 and ZTX650. Added…

    ... schematic. Three output channel from AY are wire-ORed (ARFH, stupid ... gone bad or connection from AY to MC1376 is lost somehow ... something else) you'll get noise on tv.

    Then ...
    ArtemKuchin ArtemKuchin May 2012 Hardware
  • Spectrum +2 gray strong noise at TV sound outputWhat could be the reason of strong sound noise at TV channel on gray +2? In the beginning this speccy was dead, it had faulty 78S05 and ZTX650. Added…

    ... sound on a slightly different frequency than the rest of ... /> 2. Adjust the sound carrier frequency to match your standard.

    Considering UK TV sound frequency I forgot to mention that ... of noise. I'm not sure if anyone has changed sound frequency ...
    netomc netomc May 2012 Hardware
  • Spectrum +2 gray strong noise at TV sound outputWhat could be the reason of strong sound noise at TV channel on gray +2? In the beginning this speccy was dead, it had faulty 78S05 and ZTX650. Added…

    ... to adjust sound by changing frequency on ferite coil right beside ... and then completly lost in noise. Afterwards, returned to starting position ... sound just losts in total noise. Maybe to try more than ...
    netomc netomc May 2012 Hardware
  • Playing SID music on AY??Hello. Some time ago, with occasion of another thread, I was asking about possibility of making a very certain thing - a SID emulator for Spectrum …

    ... other machines emulate SID on AY.[/QUOTE]

    That's ... playing the notes and noise on the AY using an adapted version ... actually sounds worse than most AY tunes.
    chev chev May 2012 Development
  • AY-3-8912 emulationI am trying to improve the emulation of the AY-3-8912 in FBZX wii. I studied the code of some emulators and read some documents. I would like to be…

    [QUOTE=Patrik Rak;631340]The latter is true only for YM2149, not AY, IIRC.

    [/QUOTE]

    What is the used value for noise, envelope and tone in case of 0 in the registers?
    Oibaf Oibaf June 2012 Emulators
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