A new high quality sound check for pink noise (band begrænset) niveau kalibrering.
Pink Noise Band Limited (400 Hz til 2.5 KHz)Bithastighed: 320kbps
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Pink noise is acoustical energy distributed uniformly by octave throughout the audio spectrum (rækken af menneskelige hørelse, tilnærmelsesvis 20 Hz til 20 kHz). Most people perceive pink noise as having uniform spectral power density — the same apparent loudness at all frequencies. I lyserød støj, the total sound power in each octave is the same as the total sound power in the octave immediately above or below it. An octave is a band whose highest frequency is exactly twice its lowest frequency.