CXD2724AQ-3 datasheet(63/65 Pages) SONY

Part #	CXD2724AQ-3

Description	Single-Chip Dolby Pro Logic Surround Decoder

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Manufacturer	SONY [Sony Corporation]

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CXD2724AQ-3

Appendix 2. Compensation Filter

This filter compensates the shoulder characteristics of the digital filters. Fig. 9 shows the frequency response

measured under the following conditions.

• Vin = 300mVrms (sine wave)

• Output level at 1kHz = 0dB

• DC cut filter cut-off = 5kHz

+2

+1

0

–1

–2

–3

–4

–5

–6

–7

–8

–9

–10

20

10

100

50

200

500

2k

1k

5k

10k

20k

Frequency [Hz]

Hosho filter [L-ch]

0dB = 300mVrms (1kHz sin)

Fig. 9. Compensation Filter Frequency Response (Dotted line: Without the compensation filter)

Operation

Turn the filter on and off in each mode except bypass mode using SQA12 of setup register Field A. See "6.

Setup Register".

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CXD2724AQ-3 Datasheet(PDF) 63 Page - Sony Corporation

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