
LT4400
Multiformat Video Generator
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- Applicable To Both HD-SDI And SD-SDI Systems
Applicable to both HDTV (18 types of HDTV formats) and SDTV (525i/59.94, 625i/50) systems. The HDTV or SDTV can be selected. - Superimposing ID Characters
The ID characters can be superimposed at the arbitrary position on the screen. The character blinks to indicate the freeze status. - Superimposing Logomark
The logomark up to 320 (dot) x 240 (line) in QVGA size can be superimposed at the arbitrary position on the screen. The logomark is converted from the bit map to four-grade monochrome data. - Safety-Area Marker
The 90 % and 80 % safety-area markers can be superimposed on the screen. The 4:3 aspect-ratio marker can also be superimposed in HDTV format. - Superimposing Embedded Audio
The 16 channels of embedded audio signals (4 channels x 4 groups) can be superimposed. The frequency and level can be respectively set to each channel. - Genlock Mode
This instrument can be locked by the NTSC/PAL black burst signals and HDTV tri-level sync signal for variable the timing. The NTSC/PAL black burst signals with field reference pulse signal, and NTSC/PAL black burst signal with 10-field ID are also applicable. - Stay-In Sync Function
This function ensures the stable operation in genlock mode even when the external reference signal is accidentally intermitted. - Analog Black Signal Output
Three independent analog black signal output systems are provided. The black burst signal with the same format as the SDI output, or HDTV tri-level sync signal with the same format of clock frequency can be selected for variable the timing. The NTSC/PAL black burst signals with field reference pulse signal, and NTSC black burst signal with 10- field ID are also applicable. - Pattern Scroll (Simple Motion Picture Mode)
The simple motion picture mode is provided to scroll the pattern. - Word Clock Output
The 48 kHz word clock output is provided to synchronize the audio signal. - Applicable To SNMP
The network system can easily be constructed since this instrument supports SNMP. (Not available currently) - OP70: FULL SIZE LOGO Option
Applicable to the LOGO MARK of a full screen The Logo Mark of full screen size (up to 1920 x 1080 pixel) can be displayed. - OP01: LIP SYNC OPTION
Applicable to the Lip Sync Test Pattern, you can measure the lip sync of the video and audio in an SDI signal. To measure the lip sync, use Leader’s LV 5800.
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The 1U half-rack sized compact LT4400 Multiformat Video Generator applicable to both HD-SDI and SD-SDI systems outputs SDI video signals.
The various output capabilities are provided: color bar, SDI check field test pattern, ID characters, logomark in QVGA size, safety-area marker, superimposing embedded audio, genlock mode to synchronize external reference signal, and three independent analog black signal systems.
OPTIONS
OP01: LIP SYNC OPTION
Applicable to the Lip Sync Test Pattern, you can measure the lip sync of the video and audio in an SDI signal. To measure the lip sync, use Leader’s LV 5800.
[SPECIFICATION] - LIP SYNC OPTION
1- Color Bar Pattern
All patterns other than the standard check field pattern can be output.
2 -Flame Scale
When the format is 1080i/59.94, the bar moves 180 frames (in approximately 6
seconds) from the left to the right.
The mark at 0 flame turns red when the moving bar is within 0 to +15 flame.
Supported Formats |
Flame Scale [flame] |
Time Scale [s] |
|---|---|---|
| 1080i/59.94 | 180 | Approx. 6.0 |
| 1080i/50 | 180 | Approx. 7.2 |
| 720p/59.94 | 180 | Approx. 3.0 |
| 525i/59.94 | 180 | Approx. 6.0 |
| 625i/50 | 180 | Approx. 7.2 |
3- Black and White Blinking
The bar in the center switches between black and white.
When the mark at 0 flame turns red (when the moving bar is within 0 to +15 flame), a
white bar is displayed. Otherwise, a black bar is displayed.





