9397 750 13928 © Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data Rev. 03 – 23 August 2004 14 of 31
Philips Semiconductors
PNX2000
Audio video input processor
• Decoding of 525 line standards; WST, WSS, VPS, CC, VITC.
• Decoding of 625 line standards; WST, WSS, CC, VITC.
ITU-656 output interface
• Video and VBI formatting into ITU-style output data stream, compliant to
ITU-656/1364 (exception being the use of a data valid signal).
• Interfacing to PNX8550 IC.
• Support for CVBS/C mode to interface to external picture improvement devices.
7.3.2 Audio
Demodulator and decoder
• Demodulator and Decoder Easy Programming (DDEP).
• Auto Standard Detection (ASD).
• Static Standard Selection (SSS).
• DQPSK demodulation for different standards, simultaneously with 1-channel FM
demodulation.
• NICAM decoding (B/G, I, D/K and L standard).
• Two-carrier multi-standard FM demodulation (B/G, D/K and M standard).
• Decoding for three analog multi-channel systems (A2, A2+ and A2*) and satellite
sound.
• Adaptive de-emphasis for satellite FM.
• Optional AM demodulation for system L, simultaneously with NICAM.
• Identification A2 systems (B/G, D/K and M standard) with different identification time
constants.
• FM pilot carrier present detector.
• Monitor selection for FM/AM DC values and signals, with peak and quasi peak
detection option.
• BTSC MPX decoding.
• SAP decoding.
• dbx
®
3
TV noise reduction.
• Japan (EIAJ) decoding.
• FM radio decoding.
• Soft muting for DEMDEC outputs DEC, MONO and SAP.
• FM over modulation adaptation option to avoid clipping and distortion.
• Sample Rate Conversion (SRC) for up to three demodulated terrestrial audio signals.
Allows processing of SCART and demodulated terrestrial signals.
Audio multi-channel decoder
• Dolby Pro Logic II™
3. dbx is a registered trademark of Carillon Electronics Corp.
