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Philips Semiconductors
ITU-656 output interface
7.3.2 Audio
Demodulator and decoder
Audio multi-channel decoder
3.
dbx is a registered trademark of Carillon Electronics Corp.
9397 750 13928
Product data
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Decoding of 525 line standards; WST, WSS, VPS, CC, VITC.
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Decoding of 625 line standards; WST, WSS, CC, VITC.
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Video and VBI formatting into ITU-style output data stream, compliant to
ITU-656/1364 (exception being the use of a data valid signal).
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Interfacing to PNX8550 IC.
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Support for CVBS/C mode to interface to external picture improvement devices.
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Demodulator and Decoder Easy Programming (DDEP).
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Auto Standard Detection (ASD).
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Static Standard Selection (SSS).
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DQPSK demodulation for different standards, simultaneously with 1-channel FM
demodulation.
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NICAM decoding (B/G, I, D/K and L standard).
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Two-carrier multi-standard FM demodulation (B/G, D/K and M standard).
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Decoding for three analog multi-channel systems (A2, A2+ and A2*) and satellite
sound.
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Adaptive de-emphasis for satellite FM.
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Optional AM demodulation for system L, simultaneously with NICAM.
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Identification A2 systems (B/G, D/K and M standard) with different identification time
constants.
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FM pilot carrier present detector.
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Monitor selection for FM/AM DC values and signals, with peak and quasi peak
detection option.
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BTSC MPX decoding.
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SAP decoding.
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® 3
dbx
TV noise reduction.
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Japan (EIAJ) decoding.
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FM radio decoding.
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Soft muting for DEMDEC outputs DEC, MONO and SAP.
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FM over modulation adaptation option to avoid clipping and distortion.
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Sample Rate Conversion (SRC) for up to three demodulated terrestrial audio signals.
Allows processing of SCART and demodulated terrestrial signals.
•
Dolby Pro Logic II™
Rev. 03 – 23 August 2004
PNX2000
Audio video input processor
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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