Treble flute trill keys, and soldered keys. It is very similar to a piccolo, and plays in the same range, although, because it is a slightly larger instrument, it has a different quality at the upper end of its register, and it has an extended lower register, as compared with the piccolo. The instrument should not be confused with the Alto Flute, also in G, which is a larger instrument that transposing down by a fourth to the octave below the treble flute. Since the demise of the Renaissance flute consorts, the use of this treble flute in G seems to have
Flute ends of the chimney and any designed restriction in the "throat" of the instrument, such as that in the Japanese Nohkan Flute. A study in which professional flutists were blindfolded could find no significant differences between flutes made from a variety of metals. In two different sets of blind listening, no flute was correctly identified in a first listening, and in a second, only the silver flute was identified. The study concluded that there was "no evidence that the wall material has any appreciable effect on the sound color or dynamic range". In its most basic form, a flute is