以下图表显示正常人耳的听觉范围。
The following diagram shows the audible range of a normal human ear.
这些测试测量了对低、中、高频率噪声的听觉范围。
The tests measured range of hearing over low, mid and high noise frequencies.
传统播音系统使用的大型扩音器中的椎体振动较为缓慢，使声音更加适合人类听觉范围。
The cones of larger loudspeakers used in traditional public-address systems vibrate more slowly, making them better suited for sounds in the range of human hearing.
这些高强度的超声波(20 ~ 65khz)不在人类和大部分家养宠物的听觉范围内，但能被害虫听到。
These high intensity ultrasonic sound waves (20 ~ 65khz) are out of the range of hearing of humans are most household pets, but pests.
但是人的听觉范围大约是10个倍频程，因此人们希望任何合理的合成器V CO其操作范围至少应有5个倍频程，以达到音乐方面的有效性。
However, the range of human hearing is about 10 octaves, and any reasonable synth VCO is expected to operate over a range of at least five octaves to be musically useful.
但是人的听觉范围大约是10个倍频程，因此人们希望任何合理的合成器V CO其操作范围至少应有5个倍频程，以达到音乐方面的有效性。
However, the range of human hearing is about 10 octaves, and any reasonable synth VCO is expected to operate over a range of at least five octaves to be musically useful.
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