In this case the surround sound system will redirect the LFE channel to "large" speakers, usually the front speakers. A surround sound speaker setup is perfectly valid without subwoofer. LFE (Low Frequency Effects) is often referred to as "subwoofer channel", which is not quite correct. The channel mapping for 5.1 surround sound is: In a new Audacity project, they can be imported in the above order with File->Import->Audio., the project should now look something like this: Music.mp3 (stereo) for Surround L+R (rear).The audio clips to be used in this example are: This creates a WAV audio file in the same folder where the video clip is located. ![]() If, like in this example, some original field recording from a video clip is supposed to be used to create the surround sound audio track, it can be easily extracted using Kdenlive with Extract Audio->Wav 48000Hz from the context menu of the clip.
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