You are right i think about the musical origin....
In acoustic concept speaking about "Timbre", it is the difference between pure tone/noise and the spectral envelope and the time envelope in an instrument playing a note and the particular way this instrument body vibrations will give the note in an acoustical context like a room, but it is my own interpretation only....
The fact that a reviewer use this concept meaningfully or not,for other motives, dont deprive it of his deep possible meanings...
In acoustic concept speaking about "Timbre", it is the difference between pure tone/noise and the spectral envelope and the time envelope in an instrument playing a note and the particular way this instrument body vibrations will give the note in an acoustical context like a room, but it is my own interpretation only....
The fact that a reviewer use this concept meaningfully or not,for other motives, dont deprive it of his deep possible meanings...