Tuesday, January 12, 2021

HedSound Accordion 5 Choir

The most complete 5 choir Accordion soundfont (sf2). 

    All samples (waveforms) have been digitally prepared by me by special frequency calculation.

The size of the soundfont is small, as the samples are specially prepared in minimum size.

The sound of this accordion is similar to Hohner accordions.

    5 Choir, total:31 (all possible) registers.


  • 1x16'(casotto: L) 
  • 3x8' (1xcasotto: M); (2x open: -m, m+)
  • 1x4' (open: H)

Another masterpiece!

Samples (waveforms) of this soundfont alone will not make any sense. These samples are adjusted in the Instrument section with modulators and accordion instrument sounds are created.

In this respect, it differs from a classic soundfont created with only samples. This soundfont has been synthesized using the settings of sf2. But it sounds like a completely natural instrument. 

Don't be surprised by its 87 KB size. It just needs to contain the waveforms needed to create the sound.

Please listen to the Demos on the page. 

How patches are placed:

    About variation patches: Remember, it can be difficult to decide on what name some patches should be (under what category). There is not much difference between Oboe4 and Musette-imit2 or violin3 and musette auth.
For this reason, many accordion companies use the patches they choose from among them, not all of them.
The aim here is to list all possible combinations of a 5 course accordion for enthusiasts.


    The order of the patches displayed in the PDF file (and the soundfont) is the one I have set. I made a ranking according to my own opinion. You can understand the logic of sorting by examining the PDF file.

Link: HedSound Accordion 5c Patches (PDF) (This document is available in the soundfont's zip file.)


Bass Register: L

Medium Regiter:
-m : lower tremolo; detuned 8' -n cents (slightly flatten) 
M : regular 8
m+ : upper tremolo;  detuned8' +n cents (slightly sharpen)

High Register: H

Patch Names: 

    Patch names are the nicknames used for the Accordion instrument.
These nicknames do not mean the sounds of real instruments.
The use of these nicknames may differ from one manufacturer to another.

Note: There is a slight difference in patch variations from each other. And this can only be noticed in solo works. These patches are specially prepared for accordion enthusiasts.


These Demos are versions of the same piece (Valse Domino) played with different patches.

patch 18: Musette original

patch 1: Bassoon

patch 15: Clarinet

patch 19: Piccolo

patch 0: Master

About Basses and Chords:

Link: About Accordion Bass Notation  (PDF) (This document is available in the soundfont's zip file.)

If you want to use bass and chords in this (standard) way, use the template file (included in the soundfont's zip file).
In the template file: Chords are set to voice: 1, 3 and Basses voice: 2, 4.
You can examine the demo-file to understand how to use it (also included in the soundfont's zip file)..


   8, 4, 2 (L, M, H)  (equals to 16, 8, 4); combined 4 patches (a combination is omitted because octave-up bass is useless in this position)
Bank 040-043
Playable range: 36-48 (C2-C3); sounded: as-is //according to Bass 8' (equals to 16) reed.

Note: Bass patches are made for special purpose. Not for regular use.


    M, m, 7, d (Major, minor, Dominant7, dim)
Bank: 064-067
Playable range: 50-62 (D3-D4); sounded: as-is

Note: Chord patches are made for special purpose.  Not for regular use.


     All samples have been digitally prepared by me by frequency calculation.


     All patches have been prepared by me by sf2 parameters and Instrument combinations.

HedSound Licence:

    Free for personal use.


HedSoundAccordeon5c.zip //SF2  Universal (652Kb) zipped; soundfont-size: just 87K !

1 soundfont (sf2), 
2 PDF files, 
1 template file (mscz),  //Musescore
2 Demo file (mscz),  //Musescore
1 instruments.xml file, //Musescore
2 TXT file: Readme and Licence.

Revisions: Initial revision: January 12, 2021

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