It gives you overall audio tips, describes audio sampling rates, and shows you how to use the audio level meter. General Audio Tips Follow these tips in order to get the best quality from your different audio sources. Use high-quality source files or a recording input device. This allows you to use a sound editor to adjust the amplitude of your signal to maximize the available dynamic range. If you do not adjust the signal, the resulting RealMedia file may sound flat.
Clipping can give rise to clicks or pops on playback.
If your source file contains a clipped signal, your final RealMedia file will have high-frequency background noise or static. Lowering the input volume will help reduce clipping. When encoding live-source audio, you have less opportunity to manipulate your input signal. Be sure that volume levels are prepared and tested before encoding. Cut any unnecessarily long silences from the beginning or end of the output file to conserve space.