| 1. Amplify |
Amplify effect changes amplitude of the audio file.
If Amplify = 100, then volume isn't changed. If Amplify > 100 then audio volume is increased, otherwise it is decreased.
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| 2. Compressor |
Compressor reduces the dynamic range of a signal.
A compressor is basically a variable gain device, where the amount of gain used depends on the level of the input. In this case, the gain will be reduced when the signal level is high which makes louder passages softer, reducing the dynamic range. This effect equals to a dynamic volume regulator.
- db Threshold: Certain level for threshold, in db. Varies from -92 to 0.
- Compression Rate: Rate of mixing signals, in percent. Varies from 1 (minimal effect) to 100 (maximal effect).
- RMS Time: Time for root-mean-square calculation, in ms. Usually RMSTime is equal to 100 ms.
This behavior is opposite to that of the Expander.
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| 3. Equalizer |
Equalization (EQ) is the process of boosting or cutting certain frequency components in a signal.
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| 4. Expander |
Expander effect is essentially an amplifier with a variable gain control.
An expander is a type of dynamic processor. As the name implies, it increases the dynamic range of a signal such that low level signals are attenuated while the louder portions are neither attenuated or amplified.
- db Threshold: Certain value for threshold, in db. Varies from -92 to 0.
- Expansion Rate:Rate of expansion. Varies from 1 (minimal effect) to 100 (maximal effect), in percent.
- RMS Time: Time for root-mean-square calculation, in ms. Usually RMSTime is equal to 100 ms.
This behavior is opposite to that of the Compressor.
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| 5. Fade |
Fade effect creates a fading in (soft to loud) or fading out (loud to soft) effect in the selected part of an audio file. The wave data will be linearly faded from the starting magnitude AmplifyStart to the ending magnitude AmplifyEnd.
- Amplify Start: Starting value percent, varies from 0 to 100.
- Amplify End: Ending value percent, varies from 0 to 100.
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| 6. Normalize |
This effect normalizes the selected part of an audio file. It basically amplifies the selected part to within the specified percentage of the maximum level.
- Normalization: Varies from 0 to 100. The percentage of maximum to which you want to normalize. For example, choose 50% to compute values needed to amplify the selection no more than 50% of maximum.
- Apply leveling: Can be True (leveling) or False (not leveling). By default is True.
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| 7. Silence |
This effect silence the selected part of the audio file. |
| 8. Trim |
This effect trims the selected part of an audio file.
- Trim Level: Maximal amplitude in db, which is considered as silence, from -92 db to 0.
- Fade Time: Time of trim fade, in ms.
- Trim From: The type of trim. Can be one of the following types: trim from left, right or from both sides of trim level. By default this is equal to TRIM_BOTH.
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