JVC RX-D401 Expansion ON Expansion OFF, LINEAR MODE for CDs, DVDs, etc Level dB, Frequency kHz

CC Converter VISUAL PROOF

ComparisonComparisonofof--90dB,90dB,1kHz1kHzSineSineWaves:Waves:BitBitExpansionExpansionOnOnvsvs..OffOff

RX-D702

The figure shows the actual measured waveform of a bit-expanded -90dB sinusoidal signal.

-90dB, 1kHz Sine Wave: Bit Expansion On -90dB, 1kHz Sine Wave: Bit Expansion Off

ComparisonComparisonofofFrequencyFrequencySpectra:Spectra:RangeRangeExpansionExpansionOnOnvsvs..OffOff

The figure shows the frequency spectra of a music signal with the range expansion on RX-D702

and off. With the expansion off, the level is sharply reduced beyond 22kHz. But with the expansion on, the level is naturally extended beyond 22kHz and higher.

LINEAR MODE (for CDs, DVDs, etc.)

Level (dB)

Expansion ON

Expansion OFF

Frequency (kHz)

COMPRESSION MODEE (for MP3, WMA, etc.)

CC Converter

ON

CCConverter

OFF

Level Frequency (Hz)

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