As a General MIDI sound library (GM), the default sound set for VSTSynthfont is the same as Coyote WT is the same as Microsoft GS WavTable. It's just a matter of how the sound is processed. Microsoft WavTable is processed as if it were a virtual external MIDI module, but with a fair amount of latency not generally found with an external module or VST plugin. VSTSynthfont is a VST instrument, which when used with a good driver like ASIO (best) or WAS (better) has limited latency than the MME driver, and Coyote WT is a DXi wrapped version of the sound set, with the same latency capabilities/limitations as VSTSynthfont. But in the end, all three by default use the same sound set,and so will sound the same.

Trumpets and saxes (and guitars) are generally the instruments that lose their "authentic" sound in the MIDI realm, and while you can spend a lot of money on sound sources for those instruments, even with a lot of tweaking, the best you will do is come close.

One of the advantages with VSTSynthfont is that you can load up any soundfont library you wish to replace the default. There are some decent GM soundfonts our there, but you won't get that perfect sound, especially for those instruments.

You can also use Kontakt instruments (it's a VSTi) to get close, but that will cost you some money. For solo trumpet, you could use the Realitone Screaming Trumpet, or the Indiginus Blue Street Library, or Native Instuments Session Horns Pro,or a host of others for more realistic tone. Even then, while they will play in BIAB, they are really suited more for a DAW, where you will probably want to tweak every note with specific keyswitch articulations to get the best sound possible.

I can't really speak to sax or guitar libraries; others will have to jump in.

John

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