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by derefr
2959 days ago
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Interestingly, though, if psychoacoustic compression was used in when reuploading a video, that 3000-6000Hz range might actually be restored—it’s less information if it’s there than if it’s not. Similarly, if the video is heard through a phone line, the call might be using a symbolic voice codec, which would also restore the range (in the sense that it’s not even storing sound, just phonemes.) |
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