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maniac

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Posts posted by maniac

  3. MIOS Studio 2 released

    in Latest News

    Posted

    Hi,

    I do not know how it happened, but I missed the fact, thah MIOS Studio has implemented liblarian functionality. It would be great if you could also add a novation nova / supernova synth - unfortunately midi implementation of this synth was never documented, but there are java classes in jsynthlib, so this should not be difficult to make it.

     

    I also have many ideas how you can to improve liblarian, but I realize that this is not the main functionality of the MIOS Studio, so I will not pollute the thread.

     

    Regards,

    Przemek

  5. JSIDPlay2 - new (?) java based SID player

    in MIDIbox SID

    Posted

    Today I found SID player works, which previously did not know and decided to share with You: http://jsidplay2.sourceforge.net/

    This player provides a convenient preview of what is happening in the SID registers, which may be useful for patch creating.

    Player is written in java, so it should be possible to adapt it to play SID tunes on MidiBox (I may be wrong, but I didnt find any way to play SIDS on midibox on Win7 64bit :( ).

    Regards,

    Przemek

  6. MIDIbox CV V2 Concept

    in MIDIfication

    Posted · Edited by maniac

    Yes, an envelope follower would require additional hardware, it's a different topic.

    But the possibility to route analog input signals into the modulation matrix is on the agenda :)

    It is great news, routing signals to external modulation matrix opens up countless possibilities, especially for modular synthesizers :w00t:

    No, it's very simple to realize... I must also say that I started MBCV with a 7 stage envelope, but switched back to traditional ADSR after I realized, that I very rarely use the additional stages, but get more interesting effects by selecting different curves. Therefore I would like to go this way -> it's more practicable and it will result into a simpler user interface.

    E.g. all relevant values (A D S R) are visible on the same LCD page!

    On the other hand I think that a multi-stage envelope could be helpful for pad sounds.

    It could be implemented in addition to the ENV (means: as a second ENV) and it could work table based.

    Each step would define the target level and the time in mS which should pass for the sweep to the target level.

    Such as:

    1: 100% 1000 mS

    2: 75% 200 mS

    3: 50% 500 mS

    4: 25% 1000 mS

    5: 0% 1000 mS

    What do you think about this approach?

    Exactly as I imagined and I would like to use multistage envelope mostly for pad / drone type of sounds.

    Additionally I would add:

    - initial value becouse not always envelope must start with 0 (it may be the same as 1: 100% 0 ms).

    - sustain point or even sustain loop (the envelope loops between start and end point unless key is relased).

    And I would like to use the available resources (memory, CPU load) for synth features instead of sequencing features -> therefore the sequencer/arpeggiator and note processing capabilities will be simple.

    It is possible to use MB SEQ if someone needs advanced sequencer :)

    Best Regards,

    Przemek

  8. MIDIbox CV V2 Concept

    in MIDIfication

    Posted

    Wow, this is really great news, I have to get on with soldering LPC17 :)

    Unfortunately I have no experience with modular synthesizers, so it is hard for me to refer your question about controll surface. The only thing that immediately comes to mind, is that full-controll surface may have modulation matrix similar to midibox SID. In the display mode led bars of the matrix may show output CV values (not shure if it will be usefull, but will look impressive ;))

    Thinking about an external filter, I was planing a very simple interface (You called it a simple solution). Additionally, I thought about adding 'tap tempo' and 'manual envelope trigger' buttons, but I did not know how to implement it. Also envelope follower would be nice feature, but it requires additional hardware rather then software.

    Now i think I will build full MB CV V2, because it is future-proof solution. It will be possible to create simple synthesizer by adding only VCO + VCF !

    Other features that I think may be useful:

    - Option to use 8 stage envelopes in Casio CZ style (possibly a lot of work)

    - Possibility of using a note/ CV value table instead of output curve

    - some SEQ V4 features (eg Note / LFO FX)

    - glide option

    - using all 8 CV outputs to controll polyphonic synth

    Best Regards,

    Przemek

  9. Standalone Filter Box using seppomans SSM 2044 PCB

    in Design Concepts

    Posted

    Some time ago I bought Seppemans DUAL ssm2044 PCB. Originally I wanted to connect them to mb6502, but in the meantime I made a sammichSID, and I'm very happy with it.

    Therefore, I thought of possibility of creating a standalone filterbox utilizing SSM filter.

    I would like to use it connected to simple monophonic synth, but of course it could be used in many other ways.

    Features that I would like to achieve:

    - envelopes triggered by midi (Note ON)

    - midi syncable LFO

    - extensive modulation matrix

    - stereo operation (optional 2 x mono mode may be also useful)

    - simple step sequencer

    It seems to me, that the easiest way to create such a filter is to use midiboxSID or midiboxFM application.

    As far as I understand I can use SID synthesis engine as a source of envelope generators, LFO and modulation matrix, but i have some questions:

    1. Is it possible to run midibox SID application without connecting SID PCB to the core (using only core8, AOUT-NG DINX2 and SSM PCB) ?

    2. Is it very hard to customize SID app to hide SID functionality (LCD menus etc.)?

    3. Is there any way of connection AOUT-NG to sammichSID as a temporary solution ?

    4. What is the time horizon of transfering SID application to a newer platform (LPC17) ?

    I will be grateful for information,

    Przemek

  10. gm5x5x5 - failure ?

    in Testing/Troubleshooting

    Posted

    A strange thing, which I can not explain, but my midi interface works again ... almost OK.

    I did not changed anything, but today it just turned on the computer and all midi inputs and outputs started to operate properly (yesterday I did a few reboots, which did not help).

    This is good news.

    The bad news is that there are still serious problems with timing on drum tracks.

    I did a quick test and connected synthesizer to midi output of my Virus instead of gm5 output and there was no timing problem. So this problem must be connected with gm5 hardware, drivers, windows OS or cubase software.

    Tomorrow I'm going to try connecting gm5 to different USB sockets and another computer.

    Still I have no idea what may be the cause, but I have few questions:

    1. What is the latest version of gm5 drivers (I have version 1.0.10 from 11/26/2009) ?

    2. I did not built my gm5, but bought one second hand on flamemarket. My gm5x5x5 has installed eeprom (IC2) and I'm wonder if there is any way to check eeprom software version without eeprom reader ?

    Regards,

    Przemek

  12. gm5x5x5 - failure ?

    in Testing/Troubleshooting

    Posted

    Hi,

    I have used gm5x5x5 more then year without problems. Todey something changed:

    - midi channel one 100% OK

    - midi channel two is working, but sometimes I may notice timing problems

    - midi channel three, four, five - not working (in fact sometimes it is possible to play one note, but on random channel and pitch)

    I didn't do any hardware or software changes, just switched on computer and noticed the failure.

    I'm using Windows7 64bit, all midi channels are visible in system.

    Do You have any suggestions what to do ?

    Regards,

    Przemek

  15. ASX based MidiBox Synth Project

    in MIDIfication

    Posted

    I was talking about the mating connector, the one you have to plug in the board.

    The type of connector Maniac found doesn't have any mechanical part to prevent the reverse connexion.

    Just a thought ...

    Fortunately even if I plug the connector other way, nothing happens.

    As Shuriken said pins are arranged symmetrically.

    However, the connector that I plan to use, will not not be a reliable connection.

    Therefore, if anyone knows the exact name of the connector, I will be grateful for information.

  16. ASX based MidiBox Synth Project

    in MIDIfication

    Posted

    I had a look for you. I held a 2.54 rm strip next to it and it seems to be 2.54. But it's not the KK kind. Still looking what it is though.

    Thank you for taking measurements.

    If this is not a standard kk type, it may be difficult to identify the socket.

    At the beginning I may try this kind of connector- not ideal solution, but at least it should be possible to run the synthesizer.

  17. ASX based MidiBox Synth Project

    in MIDIfication

    Posted

    Hi,

    i just bought a used plugiator ASX (finally!).

    Still waiting for delivery, but in the meantime I would like to assemble parts needed to run plugiator without a CME keyboard.

    And here I have a question - does anyone know the name of white power connector on plugiator PCB ?

    It may be molex kk 2.5 or 2.54, but is difficult to recognize from attached photo ?

  19. Adaption of Waldorf Nano

    in MIDIfication

    Posted · Edited by maniac

    Hi,

    did anybody investigate this subject ?

    As I can see on this

    there are two small connectors - probably power and TTL midi signals. Unfortunatelly I dont have CME keyboard and I'm not able to check if i'm right.

    IMHO there is no reason to make Waldorf Nano standalone (especially now, when there is much better Blofeld),

    but there is also much more interesting module: Use Audio Plugiator - 7 synths based on creamware/sonicore plugins.

    ASX pluging is cheapper then desktopop module and is really small - it could be possible to fit in 1U rack, or to build minimoog/propeth clone with mios based control surface :whistle:

    EDIT: ASX manual - there is 2 pin midi in connection and 4 pin power connector onboard.

  21. Sammich SID problem: RN1 & RN3 soldered in oposite way

    in MIDIbox SID

    Posted

    Hi,

    today I have noticed, that some buttons on my sammichSID are not working (Up & F3).

    After quick investigation I discovered that RN1 & RN3 elements are soldered in wrong direction :cry: .

    Is it possible to solve this problem by redefine buttons & recompile sammichSID source or I have to desolder this elements ?

    I'm not skilled in soldering, so I'm not shure if I'm abble to desolder elements without damage to PCB ...

    Regards,

    Przemek

  23. Sammich SID: 20V instead of 12V ? *FIXED*

    in MIDIbox SID

    Posted

    Hi,

    i just finished assembling my sammichSID PCB and during voltage tests noticed, that instead 12 V i have almost 20V on every pin marked in orange in building guide. 5 V & 9 V are OK.

    Is it problem, if I'm going to use 6582 & low power 5V LCD ?

    Do You have any idea, what can be wrong ?

    I'm going to recheck all PCB elements...

    EDIT: I switched power supply from 12V DC to 9V DC, and now I have 13,4 V on every pin where should be 12V. 5V & 9V is still OK...

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