cx23418 Conexant Systems, Inc., cx23418 Datasheet

cx23418

Manufacturer Part Number

cx23418

Description

Single-chip Mpeg-2 Encoder With Integrated Analog Video/broadcast Audio Decoder

Manufacturer

Conexant Systems, Inc.

Datasheet

1.CX23418.pdf (2 pages)

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Single-Chip MPEG-2 Encoder with

Integrated Analog Video/Broadcast

Audio Decoder

The CX23418 interfaces directly to analog video signals, sound intermediate

10-bit video ADCs supporting composite, S-video, and component formats, 3-D

The chip also supports AES, triple-DES and CPRM encryption technologies

The new encoder includes several features to ensure high-fidelity audio and

The company’s broad portfolio of semiconductor products also includes client-side

CX23418

encoder by adding a worldwide compatible broadcast audio/video decoder that

electronics and personal computer companies a path to reduce the cost of

ADCs to produce high-quality video and audio MPEG program or transport

encoding, and an adaptive quantization scheme. In addition, 16-bit audio samples

encoders and decoders, digital set-top box components and systems solutions,

Convergence Video

MPEG Encoders/Codecs

Combines Digital Compression and Analog Audio/Video

Decoding into a Single Device

Conexant’s portfolio includes a comprehensive suite of semiconductor solutions

for broadband communications, enterprise networks and the digital home. The

CX23418 increases upon the level of integration found in the CX23416 MPEG-2

supports NTSC/PAL/SECAM video standards and their associated stereo audio

broadcast standards. By integrating the analog decoding functions that are

typically spread across three chips into one chip, the CX23418 offers consumer

designing and manufacturing their next-generation digital video products.

frequency (IF)/audio frequency (AF) signals from television tuners, and audio

streams. High-performance video quality is accomplished by the integration of

adaptive comb filtering, dynamic MPEG noise filters time-based correction, an

increased motion search range, the de-coupling of motion estimation from

are preserved throughout the audio path to deliver high-fidelity compressed

stereo audio. As a result, end-users obtain the best possible picture and

sound, even as the data rate is reduced and the recording time is lengthened.

to protect content stored on either a hard disk or DVD recordable disk.

superior video. Special capabilities include the ability to cleanly process and

convert low-quality video from old VCR tapes and similar sources to digital

formats such as DVDs. This revolutionary new feature enables consumers to

make the best possible copy of content from bad or unstable video sources.

DSL and cable modem solutions, home network processors, broadcast video

and dial-up modems. In addition to its IEEE 802.11a/b/g-compliant WLAN

chipsets, software, and reference designs, Conexant offers a suite of networking

components that includes solutions for applications based on HomePlug

HomePNA

symmetric DSL central office solutions, which are used by service providers

worldwide to deliver broadband data, voice, and video over copper telephone lines.

. Additional products include a complete line of asymmetric and

and

Part Number CX23418

Description

Distinguishing Features

• Supports MPEG-2 (MP@ML, SP@ML)

• MPEG transport capture from digital

• Dolby Digital (AC-3) 2-channel

• Sampling rates of 32 kHz, 44.1 kHz,

• 3-D adaptive comb filter with time-

• Supports interlaced YPbPr inputs along

• Vertical blanking interval (VBI) data slicer

• Worldwide audio standards: BTSC,

• Two stereo audio processing blocks

• AES, triple DES, and CPRM encryption

and MPEG-1

TV demodulators

and 48 kHz with compressed bit rates

up to 384 kb/sec

based correction

with composite video and S-video

EIAJ, A2, NICAM, FM/AM Mono

featuring three-band equalizer (EQ),

volume, soft mute, auto volume

control, and soft clipping functions

Single-Chip MPEG-2 Encoder with

Integrated Analog Video/Broadcast

Audio Decoder

Related parts for cx23418

cx23418 Summary of contents

Page 1

... Conexant’s portfolio includes a comprehensive suite of semiconductor solutions for broadband communications, enterprise networks and the digital home. The CX23418 increases upon the level of integration found in the CX23416 MPEG-2 encoder by adding a worldwide compatible broadcast audio/video decoder that supports NTSC/PAL/SECAM video standards and their associated stereo audio broadcast standards ...

Page 2

... Conexant Systems, Inc. All Rights Reserved. Conexant and the Conexant logo are registered trademarks of Conexant Systems, Inc. All other trademarks are owned by their respective owners. Although Conexant strives for accuracy in all its publications, this material may contain errors or omissions and is subject to change without notice ...

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