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Forum Index : Microcontroller and PC projects : VGM to MOD
| Author | Message | ||||
LeoNicolas Guru  Joined: 07/10/2020 Location: CanadaPosts: 479 |
Hello Anyone knows a good software to convert VGM audio files to MOD? I need it for playing a game music using the play modfile basic command Thanks |
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Martin H. Guru Joined: 04/06/2022 Location: GermanyPosts: 1113 |
never heard of VGM audio I know Mod Files at first glance they are very different, VGM audio uses a list of commands for the sound chip. Probably comparable to Midi MOD files work sample based with play- and pattern lists.these are two different things. Of course you can go there, sample the audio of the sound chip and build a MOD file from the samples, but I don't think you can automate that. 'no comment |
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Mixtel90 Guru Joined: 05/10/2019 Location: United KingdomPosts: 6798 |
More VGM info here Mick Zilog Inside! nascom.info for Nascom & Gemini Preliminary MMBasic docs & my PCB designs |
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| LeoNicolas Guru Joined: 07/10/2020 Location: CanadaPosts: 479 |
I have found a tracker software that maybe can help.I will try it. https://github.com/tildearrow/furnace Maybe my question is wrong. I have the game music files in mp3 and WAV as well. The problem is how to play the SFX while the music is playing. The MMBasic player effect command only works while mod files are playing. Is it a better way to do it? |
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vegipete Guru Joined: 29/01/2013 Location: CanadaPosts: 1109 |
A while back, I wrote some instructions for working with MOD files. This doesn't help though with simultaneous music. Storing the music as a (very large) MOD sample is probably silly... Visit Vegipete's *Mite Library for cool programs. |
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| Martin H. Guru Joined: 04/06/2022 Location: GermanyPosts: 1113 |
I use for Nostalgic reasons ProTracker 2 Clone . Because that's what I started with. That was basically the first time that you could produce music without having to buy expensive instruments. (it was exactly Noisetracker on Atari ST). Later on the PC i changed to Fuity Loops, as that was also pattern based. And today I still use the successor "FL Studio" as my DAW I try to replay songs without having the sheet music or a MIDI, just by ear. And something like that comes out of it. (Rocky B. is my alter ego on Youtube) Cheers Martin Edited 2023-10-19 04:25 by Martin H. 'no comment |
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| LeoNicolas Guru Joined: 07/10/2020 Location: CanadaPosts: 479 |
Thank you Vegipete The music files are not large. I will follow your instructions. Let's see if I can make it work. |
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| LeoNicolas Guru Joined: 07/10/2020 Location: CanadaPosts: 479 |
vegipete, thank you for your detailed tutorial. It worked like a charm for creating the MOD. My current problem is the MMBasic play modsample can't sustain the sample for the length of my game music, which has 17s. The music plays correctly inside OpenMPT, but when played with basic, it is cut when the first pattern ends. I tried to use three empty patterns to extend the time of the audio, but I didn't have any effect on basic. This is the music file: 02_majou-densetsu-psg.zip It will be nice to have support for .xm audio files (extended module) |
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| Martin H. Guru Joined: 04/06/2022 Location: GermanyPosts: 1113 |
I think you are turning to a wrong direction .. The main task of a MOD is, to play different samples in a fixed order, where 1 sample is a tone from 1 instrument in predetermined pitches, or a very short loop. Look at it as a (kind of) Midi Player who brings his own instruments. It can/should NOT hold a whole song in one Sample. Edited 2023-10-25 01:47 by Martin H. 'no comment |
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| LeoNicolas Guru Joined: 07/10/2020 Location: CanadaPosts: 479 |
You are right, I know about this. I am trying to have a workaround for playing the song and sfx together. I think the other alternatives I have are: 1) Rewrite the song using patterns/notes 2) Break down the wav in 3 or 4 samples, and play them as 3 or 4 notes, what will be hard to keep the tempo |
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javavi Senior Member  Joined: 01/10/2023 Location: UkrainePosts: 218 |
Hello Everybody! Introducing my simple player PMMP -- Pico Mite Music Player for playing .MOD .WAV .FLAC files   PMMP.zip |
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| Martin H. Guru Joined: 04/06/2022 Location: GermanyPosts: 1113 |
Might be nice, but wouldn't solve the Problem LeoNicolas asked for. Playing music and Sound FX at the same Time. In Pico Petsciirobot I added all SFX to the Mod, cause the Mod can hold 32 Samples and the Music there mostly uses 10 to 16, therefor the rest "Slots" were free. Play Modsample plays the SFX while the Music is playing. You have to make compromises because the maximum size of the mod file for the Pico is only 125 kilobytes and the effectsamples alone take up almost 80 kb. 'no comment |
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| Martin H. Guru Joined: 04/06/2022 Location: GermanyPosts: 1113 |
LeoNicolas try this little example: I found a short "*.MOD" file. I also found the SFX Samples as 48KHz Stereo mp3 Files on Github and convertet them to 11025 8 Bit Mono using an Audio Editor (like audacity, Audition etc.) Then used Protracker to add SoundFX starting at SampleNo 16 (&H10)  use this little Test Program It plays the annoying Music as normal until you press ESC Pressing keys 1 to 5 plays the SFX while the Music is playing 'Load modified MOD File Play modfile "bubble bobble sfx.mod" Bubble=16 BKill =17 Hurry=18 Jump=19 Damage=20 Do k$=Inkey$ Select Case k$ Case "1" Play modsample Bubble,1 Case "2" Play modsample BKill,1 Case "3" Play modsample Hurry,1 Case "4" Play modsample Jump,1 Case "5" Play modsample Damage,1 Case Chr$(27) Exit End Select Loop Play stop the modified Mod File bubble bobble sfx.zip I hope this makes the principle more understandable have fun cheers Mart!n EDIT maybe you can use this to read the VGM Pattern Structure: https://pastebin.com/PLYUVvgk with the Patterns as Text Output it would be easier to create a Mod out of it Edited 2023-10-25 19:10 by Martin H. 'no comment |
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| LeoNicolas Guru Joined: 07/10/2020 Location: CanadaPosts: 479 |
Thank you very much Martin, this is very cool. I could make it work by slicing the song into multiple pieces of 8.110 seconds, creating three samples. This is the final MOD file: 02_majou-densetsu-psg.mod I'm using Audacity to slice the music and OpenMTP to create the MOD file. I also found a pretty good audio tracker for old videogames/computers audio formats, such as VGM. It's called FamiStudio |
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| Martin H. Guru Joined: 04/06/2022 Location: GermanyPosts: 1113 |
could be done this way and you save yourself having to re-record it note by note ... but this significantly increases memory usage. Mod size 302 KB so that's totally ok for your project on CMM but doesn't fit to Picomite.. The main thing is that you make progress with your program, your demo already looks very good Edited 2023-10-26 15:39 by Martin H. 'no comment |
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| LeoNicolas Guru Joined: 07/10/2020 Location: CanadaPosts: 479 |
I'm not too much concerned to have the game running on the pico right now. I can replace the big mod files by more optimized ones in the future. Even the game is not optimized for speed and memory usage, something I can improve after completing it. By the way, I just committed the enimies spawning. |
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