I understand mega voices, and SA voices. But what are the criteria that designates a sound as sweet, live, cool, or regular? Are these just arbitrary names, or is there a certain characteristic that each designation has in common?
Thanks,
Rory

From the Tyros 2 Manual
Voice Characteristics

The Voice type and its defining characteristics are indicated above the Preset voice or
Custom voice name.
Live! These acoustic instrument sounds were sampled in stereo, to produce a truly authentic, rich
sound—full of atmosphere and ambience.
Cool! These Voices capture the dynamic textures and subtle nuances of electric instruments—thanks
to a huge amount of memory and some very sophisticated programming.
Sweet! These acoustic instrument sounds also benefit from Yamaha’s sophisticated technology—and
feature a sound so finely detailed and natural, you’ll swear you’re playing the real thing!
Drums Various drum and percussion sounds are assigned to individual keys, letting you play the
sounds from the keyboard.
SFX Various special effect sounds are assigned to individual keys, letting you play the sounds from
the keyboard.
Organ Flutes! This authentic organ Voice lets you use the Voice Set to adjust the various footages and craft
your own original organ sounds. See page 97 for details.
MegaVoice
The MegaVoices are not intended to be played from the keyboard but are designed to be used
with recorded MIDI data (including songs and styles). MegaVoices make special use of velocity
switching, with completely different sounds in the various velocity ranges. For example, a guitar
MegaVoice has a huge variety of specific performance techniques assigned to different velocity
ranges—making the voice difficult to “play” in real time (because of the precise velocities needed),
but very useful when creating realistic tracks with MIDI data, especially when you want to
avoid using several different voices just to make a single instrumental part. Sound maps for the
Tyros2’s Megavoices are given in the separate Data List booklet.
S. Articulation!
The Super Articulation voices sound remarkably authentic and natural, featuring the unique
performance characteristics of each instrument—for example, guitar scratching sounds or the
legato phrasing of wind instruments. They provide many of the same benefits as the MegaVoices,
but with greater playability and expressive control in real time. To effectively play these
natural sounds in performance of certain voices, you may need to use the pitch bend wheel or
footswitch. For details on how to best play each voice, call up the Information window (pressing
the upper [6] button in the voice’s Open/Save display).
Live!Drums These are high-quality drum sounds taking full advantage of Stereo Sampling and Dynamic
Sampling.
Live!SFX
These are high-quality Latin percussion sounds taking full advantage of Stereo Sampling and
Dynamic sampling. They give you a broader and more versatile range of Latin percussion than
the normal drum Voices.
Custom! Custom voices which you have created by using the Custom voice function.
CustomWA! Custom voices which contain Wave data.
This is copied and I'm not surehow the formatting turns out!
Keith