Patent ID: 7442866

Claim:
A mouthpiece comprising: a mouthpiece member including a bore formed therein, and including a flat upper portion, and including an air conduit formed in a front end portion thereof, and including an inclined bottom wall provided in said front end portion thereof for forming said air conduit, and a reed attached to said flat upper portion of said mouthpiece member for partially shielding said air conduit of said mouthpiece member, and said mouthpiece member including a barrier plate extended from said front end portion of said mouthpiece member for forming an included angle between said barrier plate and said inclined bottom wall, and extended into said air conduit of said mouthpiece member for forming an air passage between said barrier plate and said flat upper portion of said mouthpiece member, and for forming a tone-altering compartment between said barrier plate and said inclined bottom wall, and for forming a tone-altering chamber behind said barrier plate and located in front of said bore of said mouthpiece member and communicating with said air passage and said tone-altering compartment and said bore of said mouthpiece member.