BUZZER DEVICE Generic buzzer symbol
BUZZER ACTIVE DC Operated Buzzer - Outputs Via Sound Card
SOUNDER ACTIVE Piezo Sounder model (Digital) - Outputs Via Sound Card
SPEAKER DEVICE Generic loudspeaker symbol
SPEAKER ACTIVE loudspeaker model (Analog) - Outputs Via Sound Card
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2015.12.20
Speaker & Sounders
BUZZER DEVICE Generic buzzer symbol
BUZZER ACTIVE DC Operated Buzzer - Outputs Via Sound Card
SOUNDER ACTIVE Piezo Sounder model (Digital) - Outputs Via Sound Card
SPEAKER DEVICE Generic loudspeaker symbol
SPEAKER ACTIVE loudspeaker model (Analog) - Outputs Via Sound Card
依次解释如下：
蜂鸣器 通用蜂鸣器符号 无仿真模型
蜂鸣器 活动的 阻抗12Ω直流蜂鸣器 仿真时通过声卡发声
讯响器 活动的 压电讯响器数字模型 仿真时通过声卡发声
扬声器 通用扬声器符号
扬声器 活动的 阻抗8Ω扬声器模拟模型 仿真时通过声卡发声
学习了，谢谢！
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