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<1234567…34>
  • ZX Soundbooster (AY volume increase on a grey+2)Having dug out my grey+2 and run it through scart I've just noticed (to my horror) how low the ay is in comparison to beeper (+3 has ay and beeper at…

    ... my horror) how low the ay is in comparison to beeper ... beeper at the same volume although the ay is distorted). Never noticed ... a mod to boost the ay output through the sound port ... (apparently the ay and beeper volumes are at ...
    BiNMaN BiNMaN May 2011 Hardware
  • AY volume on 128 SpectrumsHi! I have a 128 toastrack speccy. I think my problem is quite common: the AY soundchip output volume is quite low. To properly hear the tunes or ef…

    ... is quite common: the AY soundchip output volume is quite low. To ... to set up the TV volume a lot...and this is ... (the beeper plays in high volume on the TV).

    Spectrum Spectrum April 2013 Hardware
  • AY volume on original 128k & grey +2 machines questionI loaded up Rick Dangerous tonight on my original grey +2 which reminded me of something that I've been meaning to ask for ages. Why do some games…

    ... & Tiertex) have such low volume on the music on the ...
    Swainy Swainy September 2016 Games
  • SampleTracker: does it use envelopes or just PWM?Does SampleTracker accomplish its three channel digital audio via pulse width modulation alone or are envelopes involved? As a thought experiment, I …

    ... no PWM in Sample Tracker, AY can be hacked to act ... it works. In fact, volume on AY has logarithmic scale so direct naive ... , linear samples are recomputed to AY values. Also, non-linear scale ... ]http://en.wikipedia.org/wiki/AY-3-8912[/url] (god bless ...
    catmeows catmeows May 2014 Sinclair Miscellaneous
  • How to read AY Registers from M/C?Gentlemen, I will appreciate if you can provide me some details on this, as I could not find info in other sources. I would like to know if it's pos…

    ... dates back to before accurate AY volume tables were widely published so ... anything obviously wrong with its AY output - I'm guessing that ...
    gasman gasman June 2008 Development
  • FMV on +3eOK, so about 6 months ago i posted here that i got full motion video on +3e, with a bunch of scr files called passion. I added the glider rider music…

    ... get that quality out of AY. Is it just a table ... . The trick is that AY has logarithmic scale on DA converters, therefore ...
    omega omega April 2010 Development
  • FMV on +3eOK, so about 6 months ago i posted here that i got full motion video on +3e, with a bunch of scr files called passion. I added the glider rider music…

    ... /> Regarding converting samples for the AY - here's the code I ... , you need to allow for AY volume levels being non-linear, so ... actual measured outputs from the AY. Secondly - and this one really ... the low AY values (which are very close together in volume) are ...
    gasman gasman April 2010 Development
  • New stereo audio board for fitting on AY chip - interested?Hi, I developed a small board that fits on the AY chip inside 128K ZX Spectrums: [IMG]http://www.benophetinternet.nl/hobby/vanmezelf/stereo_audio.j…

    ... : with all of them the AY volume is much lower than the ... beeper volume, and the +2 simply has ... .: I do like Velesofts double-AY solution, but it will cost ...
    bverstee bverstee November 2010 Hardware
  • 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…

    ... be accessed through the normal AY volume registers, which are still only ... ) The YM has a steeper volume curve: in other words, going ... from volume level 15 to 14 (ignoring ... the 'special' volume levels from point 2 above ...
    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…

    ... 2) The YM has 32 volume levels rather than 16, but ... be accessed through the normal AY volume registers, which are still only ... a more or less flat volume level - on the YM, ... /> *****************
    Yes, the difference between AY and YM 'driven' by Spectrum ...
    Yerzmyey Yerzmyey October 2011 Announcements
  • Wanted : Fully working spectrumLooking for a ZX Spectrum +2 or toast rack with all the cables if possible. I have around ?30 to spend on one so games are not really a must as i ca…

    That's strange. Moreover, it seems that not a few 128s (including my own) have the AY volume slightly - or in some cases noticeably - lower than that of the beeper. +2As are more balanced.
    Alessandro Grussu Alessandro Grussu April 2012 Wanted
  • 2xAY ?Are there any emulators that support some kind of 2xAY interface, like Turbo Sound?

    ... playing with xpeccy and the AY volume levels are a bit wrong ... . On AY there are only 16 levels ... , the steps between volumes on AY seems to be half what ... 't get as low in volume as it should.

    FrankT FrankT July 2012 Emulators
  • Need repair advice - noviceHello, does anyone know where I can get a professional to rejuvenate my 128 heatsink model? I know nothing of electronics and can't solder for toffee…

    ... />
    That's normal. The AY chip sound is much quieter ... /> But you can improve the AY volume a bit by trying one ... balance with the AY volume. *This will not increase the AY volume, but will ... pin 5 of IC38. The AY will still be quieter than ...
    pkersey pkersey August 2012 Hardware
  • common 128k sound issueHi all, I have got the Speccy bug again, big time! (it comes from time to time) and I'm messing around with my collection of hardware (and buying mo…

    ... an aside, the reason the AY volume varies on the 128 and ... circuit which amplifies the three AY channels before they are summed ... so the gain of the AY channels varies with different transistors ... others. It's not the AY that's varying between machines ...
    rga24 rga24 May 2013 Hardware
  • SAMPLE-TRACKER vast INSTRUCTION with screensHi, I wrote it mainly for CrashNicker and other 1-bit / Beeper users, but I suppose it could be also useful for every lo-fi musician (YM/AY chip, Co…

    ... out by only modifying the AY-volume output.

    So basically ... the other AY calls as well. If it's volume only there ... a simple patch for existing AY-engines looks more appealing than ... engine can only uses the AY volume commands to play songs. Anything ...
    Timmy Timmy January 2014 Sinclair Miscellaneous
  • 128k toast rack diagnosisHi - I recently won a 128K toast rack, and have got a Retroleum smart card. I've tried a couple of games and all seems fine...-ish.<div><br></div><di…

    Excellent. Most likely your Speccy is absolutely fine.

    By the way, the low AY volume on toastracks is normal, it can be solved if you know how to solder by replacing one resistor though.

    B
    balford balford June 2015 Hardware
  • c64 .sid player coming soon to specy 128!!!c64 .sid player coming soon to specy 128!!! the first old version uses only square waves, 4 years ago: https://www.youtube.com/watch?v=6CKt9noxA7s…

    ... same, except there are 32 volume version for each sample type ... created 3x192 elements volume tables (for AY, and YM), volume values of each ... which is written to 3 AY volume register.

    [quote="merman ...
    Geco Geco March 2017 Announcements
  • AY musicThis is a format I'm proposing for an AY music player. If anyone can see any problems or anywhere it can be improved please say so. An AY music form…

    ... data for AY instrument
    4 Volume Control - 4bit master volume control ... , set fade rate - Channel volume control
    5 Pitch Bend ... 4bit depth - change channel volume over time linearly up/down ... sign
    1byte - 4bit volume, , sampling rate (the rate ...
    cyborg cyborg October 2001 Sinclair Miscellaneous
  • New stereo audio board for fitting on AY chip - interested?Hi, I developed a small board that fits on the AY chip inside 128K ZX Spectrums: [IMG]http://www.benophetinternet.nl/hobby/vanmezelf/stereo_audio.j…

    ... board that fits on the AY chip inside 128K ZX Spectrums ... distortion, and with a good volume.
    It also takes the ...
    bverstee bverstee August 2010 Hardware
  • AY-interface for ZX81 (at last ;) )Hi, it exists finally ;) - compatible with the most standard one - ZonX. [url]http://www.sellmyretro.com/offer/details/Brand_New_Sinclair_ZX81_MrX_A…

    ... the ZX81 play sounds using AY Sound interfaces, and also to ... AY Sound Design Tool - this allows you to set the frequency, volume ... ZXpand Sound Player - simply copy AY files (PT3 format files) into ... playing sounds direct to the AY interface, using BASIC
    ...
    Yerzmyey Yerzmyey February 2012 Hardware
  • 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…

    ... is 1/(256*envelop_period) of AY-3-8912 frequency
    ... 1/(16*tone_period) of AY-3-8912 frequency
    ... is 1/(16*noise_period) of AY-3-8912 frequency
    ... can be modulated changing the volume.
    8 ) If ... Other information are in the AY-3-8912 manual (30- ...
    Oibaf Oibaf June 2012 Emulators
  • Simple AY library in z88dk/CI was interested to see if I could make the 128k AY chip work, and as there wasn't any library on it, I just made one for fun. It's certainly not th…

    ... // //
    // AY-lib 0.1 Header ... // IN: l = volume, max 31
    ... /> ////////////////////////////////
    // //
    // AY-lib Demo //
    // //
    ...
    Timmy Timmy August 2012 Development
  • Problems with stereo kit for AYSomeone has bought a stereo kit from me to add to his 128K ZX Spectrum. Problem however is that one of the channels is a less loud than the other tw…

    ... try.
    I suspect the AY chip to have a problem ... output connector does give equal volume levels.

    Any hints ... /> Can it still be the AY chip having a problem?
    bverstee bverstee September 2012 Hardware
  • +2 Grey - low 128k sound volumeI'm trying to revive my old grey +2.... First problem was a faulty RF signal, so I bought a SCART cable from Retro Computer Shack on e-bay (it's the…

    ... is that the sound volume from the AY-3-8912 chip is ... . If I turn the TV volume up so I can hear ... to boost the 128k sound volume?
    mappy24 mappy24 December 2012 Hardware
  • Spectrum 128K Toaskrack Music VolumeHi guys, I have a Spectrum 128K Toast rack, all seems to work OK but I notice that when playing 128K games the AY music is very low volume compared t…

    ... 128K games the AY music is very low volume compared to the ... to fix it? an internal volume control or something?

    manic23 manic23 April 2014 Hardware
  • AY sound too quiet on 128I have 2 spectrums that exhibit this issue, a toastrack and a +2 (grey) The AY music/sounds come through very quiet when using an audio lead (on a s…

    ... +2 (grey)

    The AY music/sounds come through very ... adapter), such that if the volume is increased to compensate any ...
    Neosodium Neosodium May 2014 Hardware
  • Making noises with the AYHow do you go about making noises from the AY chip in machine code? I'm wanting to make a pulsating humming noise that increases in volume as you ge…

    ... about making noises from the AY chip in machine code?
    volume as you get near a ...
    daveysludge daveysludge October 2014 Development
  • Help With AY Music Program in BASICHi, last year I started writing a BASIC program for making and recording AY Music. I thought it would be easier than learning how to use Soundtracker…

    ... program for making and recording AY Music. I thought it ... />
    1 REM Untitled AY MUSIC Making Program
    2 ... Vol Seven and the last volume icon
    166 ... 310 LET v=11: REM volume
    315 LET v$=" ... The actual command for volume is part of a string ...
    RetroPhase2014 RetroPhase2014 December 2015 Sinclair Basic
  • No AY sound from online emulatorsI've writing an app that makes sound using the AY. I have a simple update mechanism that works like this: 1. During a frame, I write values to a b…

    ... that makes sound using the AY. I have a simple update ... of memory that mirrors the AY eegister layout (ay_regs)
    ... , copy that to the actual AY registers (do_update_ay)

    ...
    db 0 ; chan c volume 4 bits

    [/code ...
    evilpaul evilpaul June 2020 Development
  • Amiga MOD on ZX SpectrumWell, there were several question about music matters on WOS lats times, so I decided to describe some of my 'adventures', heheh, with MOD playing on…

    ... had a look at the AY data sheet and lo ... there. The outputs are logarithmic and follow this equation:

    where L = output volume on a channel (0 to ... B,C denote the output volume on channels A,B, ... half of the full volume potential of the AY is used in ...
    Alcoholics Anonymous Alcoholics Anonymous March 2004 Sinclair Miscellaneous
<1234567…34>

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  • ZX Soundbooster (AY volume increase on a grey+2)Having dug out my grey+2 and run it through scart I've just noticed (to my horror) how low the ay is in comparison to beeper (+3 has ay and beeper at…
  • ZX81, AY, samples, SpecAY, AY files, etc.With the appearance of 3 different AY interfaces for the ZX81 in the past 6 months, I wonder...<br /> <br /> Is it possible to make the ZX81 "speak" …
  • AY volume on 128 SpectrumsHi!<br /> <br /> I have a 128 toastrack speccy.<br /> I think my problem is quite common: the AY soundchip output volume is quite low. To properly he…
  • AY volume on original 128k & grey +2 machines questionI loaded up Rick Dangerous tonight on my original grey +2 which reminded me of something that I've been meaning to ask for ages.<br /> <br /> Why d…
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