Increasing the bitrate lowers the noise floor. But that 6 or 8kHz signal is still there. 8:43 in the second video, he goes in to showing what increasing the bi

Increasing the bitrate lowers the noise floor. But that 6 or 8kHz signal is still there. 8:43 in the second video, he goes in to showing what increasing the bit depth gets you. https://xiph.org/video/vid2.shtml https://xiph.org/video/vid2.shtml