Style Master: bulk style corrections

Styles are the automatic accompaniments available on digital keyboard from Yamaha and other manufacturers. They function like a backup band to spice up performances. The Yamaha-style format has become the de facto standard for style exchange. There are more than a hundred-thousand style files available for download or purchase in all musical genres. Unfortunately, the […]

MIDITyper: New features

MIDI Typer is one of the components of the MIDI Utility Pack. In the past, its prime function was the bulk conversion of MIDI files between Type0 and Type1. To review, in a Type0 file all musical and non-musical information is combined in a single track. A Type1 file contains multiple tracks. Items in a […]

Fixing percussion sounds with Style Master

Yamaha-format styles are accompaniment files that you can play on your digital keyboard or use in our Accompaniment Machine program. Often, you may find a great style that is effectively useless because 1) it’s permeated by police whistles and other strange sounds or 2) the percussion sounds like someone pounding on a piano . In […]

Changing the key signature of MIDI files

Key transpositions of MIDI files are relatively easy. The note value is the second byte of a NoteOn or NoteOff message:

&h90+ChanNo Note Velocity &h80+ChanNo Note Velocity

The quantity Note takes integer values from &h00 (0) to &h7F (127) following the chromatic scale. Middle C corresponds to Note = &h3C (60). Therefore, a transposition of […]

Converting AMac songs to accompaniments

Users of AMac Versions 1.0 and 2.0 with a library of song files (ASG) probably want to convert some of them to AutoSequence files (ASQ) to use the new capabilities of AMac 3.0. This article describes the conversion process along with some tips on sequences.

To begin, load the song file in the AMac Performance […]

Converting Cakewalk Instrument Definition Files

A user suggested that AMac and SVO[1] would be easier to use if they could read INS[2] files. In this way, the full set of voices for particular keyboard synthesizers would be immediately available for styles and melodies. I analyzed the content of INS files for over 40 keyboards available at My conclusion was […]

Manually creating a new file type in Windows

File types in Windows are designated by extensions (e.g., .txt, .html, .jpg, …). You can associate a file type with a specific program. Then, if you double-click on a file in MIDI File Manager or Windows Explorer, the file opens in the associated program. For example, my computer is set up to open files of […]

It sounds funny

Suppose you have grown tired of the 150 styles that came with your keyboard. You want to expand your options to the 10,000+ styles available on the Internet by using the Accompaniment Machine. You download and try out styles and find that some are strange and that the sound of others is not as good […]

Using Coolsoft VirtualMIDISynth with AMac

The usual Accompaniment Machine setup for real-time performances is to use a digital keyboard as both the input and output MIDI port. As an alternative, a user could employ a simple keyboard for input while output waveforms could be generated by the computer using a software MIDI driver and the computer sound system. To minimize […]

MIDI File Organizer: new feature

MIDI File Organizer is one of the components of our MIDI Utility Pack. In addition to organizing and previewing your MIDI file, the program provides an effective method to organize data on your disks. The idea was to incrementally add all the features I ever wanted in a file manager. For example:

A clear and […]