| 摘要 |
PROBLEM TO BE SOLVED: To provide a multi-channel earphone which includes a chamber body and a main chamber support that is arranged in the chamber body. SOLUTION: A front field mixing chamber, a main chamber, and a back chamber are formed in the chamber main body. A main speaker is located on the main chamber support or a partition board, a sub-speaker is disposed on a protruding portion of the chamber body, and the back chamber is formed between the sub-speaker and the main chamber support or the partition board. The multiple channel earphone structure further includes at least one or more pairs of chamber extension tubes, disposed outside the chamber body. According to the length of each chamber extension tube and the space in the chamber body, a composited sound field characteristics generated in the earphone structure are adjusted and outputted by the multi-channel earphone. COPYRIGHT: (C)2009,JPO&INPIT
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