Leader LT4600 Multi Format Video Generator with Lip Sync

Leader LT4600 Multi Format Video Generator with Lip Sync

Leader LT4600 Multi Format Video Generator with Lip Sync

B&H # LELT4600 MFR # LT4600
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  • 1Description

The LT4600 Multi Format Video Generator with Lip Sync from Leader is a 1RU half-rack sized multiformat video generator applicable to 3G-SDI, HD-SDI, and SD-SDI systems. The LT4600 features color bar, SDI check field test pattern, ID characters, logo mark in QVGA size, safety area marker, embedded audio, genlock model for external reference synchronization, and three independent analog black signal systems. The Lip Sync function is a key feature of this video generator.

Accepts 3G-SDI, Dual Link, HD-SDI, and SD-SDI systems.
SDI outputs can be used independently from each other.
Lip Sync Function included as standard.
The ID characters can be superimposed at any arbitrary position on the screen.
A logo mark (up to 320 pixels by 240 lines) in QVGA size can be superimposed at any arbitrary position on the screen. Logo is converted from bitmap to four-grade monochrome data.
90% and 80% safety area markers can be superimposed on the screen.
A 4:3 aspect ratio marker can also be superimposed in 3G-SDI or HD-SDI formats.
Simple motion picture mode is provided to scroll the pattern.
The 32 channels of embedded audio signals (link A and link B - each 4 channels by 4 groups) for 3G-SDI (level B), and the 16 channels of embedded audio signals (4 channels by 4 groups) can be superimposed. The frequency and level can be respectively set for each channel.
The instrument can be locked to NTSC/PAL black burst or HDTV tri-level sync signal.
In case of genlock input errors, a Stay-In function is available.
Three independent analog black signal outputs 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 timing.
A 48 kHz word clock output and a 48 kHz AES/EBU output are provided to synchronize the audio signal.
Supports SNMP protocol to easily construct a network system.
USB slot on the front panel to save and update user data settings.
In the Box
Leader LT4600 Multi Format Video Generator with Lip Sync
  • SPU40-105 12V AC Adapter
  • Limited 2-Year Warranty
  • Table of Contents
    • 1Description
    Video
    SDI Video Rates 3G-SDI: 2.970 Gbps or 2.970/1.001 Gbps
    HD-SDI, HD-Dual Link: 1.485 Gbps or 1.485/1.001 Gbps
    SD-SDI: 270 Mbps
    Voltage Output 800 m, V p-p ±10%
    Overshoot <10%
    Rise & Fall 3G-SDI: ≤135 ps (20 to 80%)
    HD-SDI, HD-Dual Link: ≤270 ps (20 to 80%)
    SD-SDI: 0.4 to 1.5 ns (20 to 80%)
    DC Offset 0 ± 0.5 VDC
    Output Impedance 75 ohms
    Return Loss ≥15 dB (5 MHz to 1.485 GHz)
    ≥10 dB (1.485 to 2.970 GHz)
    Formats YCBCR 4:2:2, YCBCR 4:4:4, RGB 4:4:4
    Compliant Standards Video:
    3G-SDI: SMPTE ST 424, SMPTE ST 425, SMPTE ST 372
    HD-SDI, HD-Dual Link: SMPTE ST 274, SMPTE ST 296, SMPTE ST 292
    SD-SDI: ITU-R BT 601, ITU-R BT 656, SMPTE ST 125, SMPTE ST 259

    Embedded Audio:
    3G-SDI, HD-SDI, HD-Dual Link: SMPTE ST 299
    SD-SDI: SMPTE ST 272
    Payload ID: SMPTE ST 352
    Adjustments Timing Adjustment Unit:
    V: Lines
    H: Clocks (148.5 MHz, 148.5 / 1.001 MHz, 74.25 MHz, 74.25 / 1.001 MHz, 27 MHz)
    Test Patterns 3G-SDI, HD-SDI:
    100% color bars, 75% color bars, check field, multiformat color bar (ARIB STD-B28, pattern 2 area can be set to 100% white, 75% white, or +I)

    SD-SDI 525i / 59.94:
    100% color bar, 75% color bar, SMPTE color bar, check field

    SD-SDI 625i / 50:
    100% color bar, EBU color bar, BBC color bar, check field
    Switching Automatically switches between available patterns (except for check field)
    Switch Time: 1 to 255 sec
    On/Off Control Channel On/Off
    Function: Each of the Y/G, Cb/B, and Cr/R components can be turned on and off for each channel independently
    On: Outputs the specified Y/G, Cb/B, or Cr/R signal
    Off:
    Y/G: 040 h / 000 h
    Cb/B: 200 h / 000 h
    Cr/R: 200 h / 000 h

    Not available when the check field pattern is selected. Black pattern can be output by turning off all channels and all embedded audio signals.

    Image Overlay Display Precedence: ID characters, logo mark, safety area markers, test pattern (display order cannot be changed)
    Simultaneous Display: ID characters, logo mark, safety area markers, and test pattern can be displayed simultaneously
    Genlock Sync Compliant Standards:
    NTSC Black Burst Signal: SMPTE RP 154, SMPTE ST 170, SMPTE ST 318
    PAL Black Burst Signal: EBU N14, ITU-R BT.470-6
    HD Tri-Level Sync Signal: SMPTE ST 274, SMPTE ST 296

    Level:
    NTSC Black Burst Signal: -286 mV
    PAL Black Burst Signal -300 mV
    HD Tri-Level Sync Signal ±300 mV

    Input:
    BNC, 75 ohms loop through
    World Clock Output Frequency: 48 kHz
    Output Amplitude: 5 V CMOS compatible (when not terminated)
    Analog Output Compliant Standards:
    NTSC Black Burst Signal: SMPTE RP 154, SMPTE ST 170, SMPTE ST 318
    PAL Black Burst Signal: EBU N14, ITU-R BT.470-6
    HD Tri-Level Sync Signal: SMPTE ST 274, SMPTE ST 296

    Output Signal: 6 (3 signals x 2 outputs)
    Impedance: 75 ohms
    Audio
    Embedded Audio 3G-A, HD, SD: 16 channels (4 channels x 4 groups)
    3G-B: 32 channels (link A, link B, 4 channels each × 4 groups)
    Embedded channels can be turned on or off at the group level
    Sampling Frequency 48 kHz (synced with the video signal)
    Resolution 20 bits, 24 bits

    Limitations for SD-SDI (525i / 59.94): For the 16 channel output, the resolution is set to 20 bits. Up to three groups (12 channels) can be set to output of 24 bits.

    Pre-Emphasis OFF, 50/15, CCITT (only the CS bit is switched)
    Frequency SILENCE, 400 Hz, 800 Hz, 1 kHz
    Level -60 to 0 dBFS (1 dBFS steps)
    Lip Sync Supported Formats: 3G, HD, HD (DL), SD

    Not available when the check field pattern is selected. Safety area markers, ID characters, and logo mark cannot be overlaid.

    AES/EBU Audio Output Compliant Standards: ANSI S4.40 (AES3-1992), AES11-1997, SMPTE ST 276, AES-3id-2001
    Output Impedance: 75 ohms unbalanced
    Output Amplitude: 1 V p-p ± 0.1 V
    General Specifications
    Outputs 2 x BNC, SDI outputs
    2 x BNC, analog black output
    1 x BNC, world clock output
    1 x BNC, AES/EBU digital audio output (2 channel pair)
    External Interface Ethernet: 10BASE-T / 100BASE-TX auto switching
    USB
    Type: USB 2.0
    Connector: USB type A
    LCD 20 characters x 2 lines
    Backlight: On, Off
    Operating Temperature 32 to 104°F (0 to 40°C)
    Optimal: 50 to 95°F (10 to 35°C)
    Humidity 85% RH or less (no condensation)
    Power Requirements Voltage: 12 VDC (10 to 18 VDC)
    Maximum Power Consumption: 25 W
    AC Adapter Input: 100 to 240 VAC, 50/60 Hz, 1 A
    Output: 12 VDC, 3.33 A max.
    Dimensions 8.4 x 1.7 x 15.8" (213 x 44 x 400 mm)
    Weight 6.2 lb (2.8 kg)
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