教你使用 Audacity 噪音抑制,能夠去除雜訊,就是降低電流雜訊所產生的高頻 Teach you how to use noise reduction in Audacity
Ability to remove noise is to reduce the high frequency generated by current noise
圖文教學頁面 https://zfly9.blogspot.com/2021/10/25tv21gwu52j.html
段落解說 00:00 麥克風音量,一定要用好
段落解說 00:35 使用 Audacity 噪音抑制,去除雜訊,操作步驟
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Of course this eliminates the noise
當然這個消除雜訊
This is a post job
這個是後置作業
In principle, you use the microphone volume well
原則上,你把麥克風的音量用好
The noise will not affect that much
噪音就不會影響到那麼大
Steps
操作步驟
Click on the zoom in button here
點擊,這邊的放大按鈕
Sound waves will be amplified
聲波,會被放大
Next, press the left mouse button and hold it down
接下來,滑鼠左鍵,壓住不放
Select a reference control value
選取一個參考的對照值
Because this one is the current noise at the bottom
因為這一個就是底部的電流雜訊
You have to select it
你要把它選取出來
As reference value
當作參考對照值
Effect, noise suppression
效果、噪音抑制
There are Chinese instructions here, the first step
這邊有中文說明,第一步
Is to get the reference value of noise
就是要取得噪音的參考對照值
Take a look, the button here is gray
注意看一下,這邊的按鈕是灰色的
Can not click OK
不能點擊確定
Because there is no reference control value
因為沒有參考對照值
Click to get noise characteristics
點擊,取得噪音特徵
Just got
就是取得了