Page 74 - 201901
P. 74

70                                                                                   2019 年 1 月




                          0.8                                     0.4
                          0.6
                                                                  0.3
                          0.4
                                                                  0.2
                          0.2
                       ࣨए  0                                    ࣨए  0.1
                         -0.2                                      0
                         -0.4
                                                                 -0.1
                         -0.6
                                                                 -0.2
                         -0.8
                         -1.0                                    -0.3
                             0  0.5  1.0  1.5  2.0  2.5  3.0  3.5   0   0.5  1.0  1.5  2.0  2.5  3.0  3.5
                                          ௑ᫎ/s                                    ௑ᫎ/s
                          1.0                                     1.0
                          0.9                                     0.9
                          0.8                                     0.8
                          0.7
                                                                  0.7
                       ॆʷӑࣨए  0.6                               ॆʷӑࣨए  0.6
                                                                  0.5
                          0.5
                          0.4
                                                                  0.3
                          0.3                                     0.4
                          0.2                                     0.2
                          0.1                                     0.1
                           0                                       0
                             0    2    4    6    8    10   12       0    2    4     6    8   10   12
                                       ඡ࠮ឦᮃᮠဋ/kHz                             ᰤ࠮ឦᮃᮠဋ/kHz
                                                (a) ళԪ٪ܦॖ־ᄊឦᮃ௑۫ηՂڏ֗ᮠဋੇѬڏ

                          1.0                                     0.4
                          0.8
                                                                  0.3
                          0.6
                          0.4                                     0.2
                          0.2
                                                                  0.1
                       ࣨए  -0.2 0                               ࣨए  0
                         -0.4                                   -0.1
                         -0.6
                                                                -0.2
                         -0.8
                         -1.0                                   -0.3
                             0  0.5  1.0  1.5  2.0  2.5  3.0  3.5   0   0.5  1.0  1.5  2.0  2.5  3.0  3.5
                                          ௑ᫎ/s                                    ௑ᫎ/s

                          1.0                                     1.0
                          0.9                                     0.9
                          0.8                                     0.8
                          0.7
                                                                  0.7
                        ॆʷӑࣨए  0.6                              ॆʷӑࣨए  0.6
                          0.5
                                                                  0.5
                          0.4
                                                                  0.3
                          0.3                                     0.4
                          0.2                                     0.2
                          0.1                                     0.1
                           0                                       0
                             0    2    4    6    8    10   12       0    2    4    6    8    10   12
                                     ඡ࠮ឦᮃᮠဋ/kHz                               ᰤ࠮ឦᮃᮠဋ/kHz
                                             (b) Ԫىా̡ܦᑀఀॖ־ʾᄊឦᮃ௑۫ηՂڏ֗ᮠဋੇѬڏ

                                              图 1  气导语音与骨导语音的频率成分
                         Fig. 1 The frequency component of air conduction speech and bone conduction speech
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