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Using Voice Active System
Free Online Radio Player Recorder provides smart VAS (Voice Active System) for you to automatically distinguish silence from the signals detected.
1. Launch Free Online Radio Player Recorder & click "Options" to activate the options window
2. Specify VAS
Choose "Voice Active System". Check "Recording without silence". Then, you can set some parameters of VAS: Attack Time, Attack Level & Release Time & Release Level. If a detected signal is under the Attack Level for more than Attack Time, beginning of that spot in the audio will be considered the beginning of silence. If the signal is above the Release Level for more than Release Time, beginning of that spot in the audio will be considered the end of silence. Click "OK" to save your settings.
If a detected signal is under the Attack Level for more than Attack Time, beginning of that spot in the audio will be considered the beginning of silence.
If the signal is above the Release Level for more than Release Time, beginning of that spot in the audio will be considered the end of silence.
Silence Definition
For very quiet high quality audio, the Attack Level and Release Level value will be lower (like -60dB). For noisier audio, the value may be much higher (like -30dB).
If audio is above this given threshold for more than the number of milliseconds given, audio will be considered valid and not silence. Use higher values for Release Time to ignore short periods of audio (like clicks, static, or other noise). If this value is too high however (above 200ms), short words may be skipped.
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