Bad sound in VirtualMIDISynth midi file convert

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Posts: 2
Joined: August 13, 2017 - 16:07
Bad sound in VirtualMIDISynth midi file convert

VirtualMIDISynth midi file convert generate bad sound (clipping) in audio file.
More in the attached zip file.

Attachments (Only registered users)
bug report.zip
Posts: 27
Joined: April 19, 2017 - 08:14
Re: Bad sound in VirtualMIDISynth midi file convert

All channel volumes are 127 (maximum).
Did you manually set the MIDI file?.

Mixdown is about decreasing the volume, not increasing it.
If you have only one channel and one voice, volume: 127  isn't a problem.
But more than that, it starts to change.

The midi file, you are using, uses a maximum of 24 notes at the same time.
This requires that the volume of each channel be about 32 on average. (or set to master volume: 32)

If there is a master volume, you can adjust it directly there.
If not, you will have to set each channel separately.

Master volume (or per  channel volume) list:
same time:
01 voice: volume: 127
02 voice: volume: 124
03 voice: volume: 101
04 voice: volume: 88
08 voice: volume: 62
05 voice: volume: 78 
06 voice: volume: 72
07 voice: volume: 67
08 voice: volume: 62
09 voice: volume: 58
10 voice: volume: 55
11 voice: volume: 53
12 voice: volume: 51
13 voice: volume: 49
14 voice: volume: 47
15 voice: volume: 45
16 voice: volume: 44
24 voice: volume: 32
32 voice: volume: 29
64 voice: volume: 21

PS: Some software, compresses the output volume according to the maximum number of sounds or the peak state.

Posts: 1541
Joined: March 25, 2012 - 01:19
Re: Bad sound in VirtualMIDISynth midi file convert

It seems that your input MIDI file is a bit "over-volumed".

Since MIDI->WAV converter still doesn't have a MIDI Mixer (but will have in the future), the only chance you have to fix it is to edit MIDI file before conversion.

Please let me know if it works...

Posts: 2
Joined: August 13, 2017 - 16:07
Re: Bad sound in VirtualMIDISynth midi file convert

I do not know how to edit or create MIDI files. In other applications, this file played well using VirtualMIDISynth. A converter without a mixer seems unusable to me. I will have to convert through winMixer and Audacity.

Posts: 1541
Joined: March 25, 2012 - 01:19
Re: Bad sound in VirtualMIDISynth midi file convert

MIDI Mixer was added to VirtualMIDISynth MIDI Converter in version v.2.5.0 (2018-06-26).

Closing this thread...