binaural

Understanding Surround and Binaural Sound

Film soundtracks are usually made available in either "Stereo" or "5.1 Surround" sound, although other possibilities exist. Quite a few of the source sound recordings I've been using are "binaural" recordings, which sound eerily realistic over earphones, but often less impressive when played back on speakers. What does this stuff mean, and how can I use free software tools to make the most of it? This will be an ongoing learning experience, but I want to start with a brief description of these most common technologies, and how they are supported by the file formats we have available to us: Vorbis, FLAC, and WAV.

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