| 摘要 |
A mouthpiece for brass-wind musical instruments has at one end a shank (22) that is inserted into the brass-wind instrument, and at the opposite end an enlarged head containing a cavity called the cup, this cup having a rim surface (34) that is adapted to be pressed against the lips of the user. The shank (22) contains an air passageway (24) which extends to the cup for the purpose of conducting air and lip vibrations into the instrument. Incorporated into the cup, rim surface (34) or both is a lip restrictor (28) for limiting the amount that, the users bottom lip enters the mouthpiece. This lip restrictor (28) extends upper register and eases playing effort without affecting tone.
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