[Cin] Waveform generation using ffmpeg filters

Hello. I'm trying to generate a 440 Hz sound with the help of FFmpeg of ffmpeg -f lavfi -i "sine=frequency=440:duration=5" test.wav type, but the waveform is: https://www.datafilehost.com/d/ea27d7ec Does Cinelerra incorrectly process the generation, or do I need to change something in the settings? Ugin.