ERROR HANDLING TECHNOLOGY: Errors that the CD-DSP
can detected but not correct can be corrected by
ClearView. These errors include both header and pic-
ture (data) errors. ClearView identifies the error type,
classifies it, and uses the best possible strategy for
error concealment.
COMPATIBILITY: ClearView ensures complete compliance
with the entire MPEG-1 standard, so that the CL680
can flawlessly play back VideoCDs that have been
encoded in a variety of styles. ClearView plays back
most VideoCD formats, including VideoCD 1.1 and
2.0, KaraokeCD, OM-1 and CD-I.
DISCVIEW™
This feature provides PlayBack Control (PBC) capabili-
ty with VideoCD 1.1 discs by displaying up to nine
images on the TV screen to form a video menu. The
CL680 can read images from each track on a single
disc or from multiple discs to provide a playback con-
trol menu, or images can be from a single track to pro-
vide chapter access menus.
FLEXVIEW™
The CL680's FlexView feature converts NTSC source
material to PAL format to provide full-screen, correctly
proportioned displayed video. FlexView uses C-Cube's
adaptive interpolation technology for smooth, raster-
free scaling.
It also converts coded frame rates of 24 (film), 25 (PAL)
or 30 (NTSC) Hz to NTSC or PAL display rates (60 or
50 Hz).
AUDIO FEATURES
The CL680 VideoCD Decoder integrates audio features
to provide increased functionality and value to con-
sumers without increased system cost.
WIDESOUND™
C-Cube's audio algorithms use advanced DSP tech-
niques to expand the perceived sound field with stan-
dard stereo sound tracks.
KEY CONTROL
Key control is a standard feature in most Karaoke
products. The CL680 changes the pitch of the mono or
stereo audio track n single quartertone increments,
eliminating the need for a separate DSP for Karaoke.
VOCAL FADE
By comparing the left and right channels, the CL680
attenuates the vocal component of a stereo program.
This feature allows VideoCDs and standard CD-DA
recordings to be used for Karaoke and accommodates
non-standard video Karaoke titles.
VIDEO FEATURES
In addition to its extensive audio processing capabili-
ties and features, the CL680 offers unique video fea-
tures that provide consumers added utility compared
to a standard VideoCD player.
CLEARVIEW™
The result of over 20 man-years of engineering effort,
ClearView sets the standard for reliable, clear video. C-
Cube’s ClearView technology, first introduced on the
CL484, has been further enhanced on the CL680.
These enhancements include:
C-Cube Microsystems
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