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DIRECTOUT TECHNOLOGIES

Rosendahl MIF4

Master Clocks

USB and MIDI I/O, LTC, MTC, GEN sync modes, LED timecode display, jam sync, drop frame support, CAL mode, video sync input, rackmountable unit

$1,832.00 CAD
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Description

The Rosendahl MIF4 is a professional-grade MIDI timecode interface designed to serve as a reliable hub for synchronizing audio, video, and lighting systems. Built with a bright LED timecode display, multiple input modes, and robust output capabilities, the mif4 is an ideal tool for studio environments, post-production suites, and live performance setups. Its compact 1U design makes it rack-mountable (with optional accessories), or it can be used as a standalone desktop unit with rubber feet. Power can be supplied via USB or an external adapter, making it flexible for a variety of setups.

The MIF4 supports multiple timecode sources including LTC (Longitudinal Timecode), MTC (MIDI Timecode), USB, and an internal generator mode (GEN). It automatically detects frame rates such as 24, 25, 30, and drop-frame formats, and translates incoming signals into stable LTC and MTC outputs. The intuitive interface, operated via two buttons, allows users to switch modes, sync sources, and manually generate or jam sync timecode with ease. Whether you're looking to lock a DAW to video playback or synchronize a lighting rig to music cues, the mif4 offers a seamless and stable bridge across digital systems.

Features

Multiple Timecode Input Options
Supports LTC, MTC, USB, and internal generator modes for flexible synchronization.

Automatic Format Detection
Identifies frame rates (24, 25, 30, 30DF) and adjusts settings automatically.

Timecode Generation
Can generate timecode manually or via MIDI Machine Control (MMC) commands.

JAM Sync Capability
Allows seamless switch from external timecode input to internal generation.

LED Display with Sync Indicators
Clear visual display of timecode, sync status, and frame format.

USB and MIDI Output
Outputs stable timecode via both USB and MIDI connections.

Video Sync Integration
Accepts various SD and HD video signals for genlocking to external sources.

Display Modes for Monitoring
Shows timecode, user bits, speed calibration, and sync reference.

Driver-Free USB Operation
Works with standard operating systems without requiring extra drivers.

Software Configuration Utility

Adjust settings like display brightness and MMC ID using a desktop app.

Specifications

General Specifications
Device Type: Professional MIDI Timecode Interface
Display: LED Timecode Display
Power Supply: USB bus-powered or external power adapter
Rackmount: 1U optional rackmount kit (with screws), removable rubber feet
Construction: Metal housing with aluminum side brackets

Timecode Source Modes
LTC: SMPTE 12M Longitudinal Timecode via LTC IN
MTC: MIDI Timecode via MIDI IN
USB: MIDI Timecode from Host Computer via USB
GEN: Manual/MMC Controlled Timecode Generator Mode

Timecode Generator (GEN Mode)
Start/Stop: Manual or MMC commands via USB or MIDI
Editable Parameters: Hour, Minute, FPS (24, 25, 30, 30 DF), Userbits
Genlock: To external video sync (if frame rate matches)
Userbit Range: 8 digits, Hexadecimal (0–F)
Pull Down: 29.97 FPS automatic conversion with NTSC sync
Sync Source Indication: “r” = Reference, “I” = Input

Timecode Input/Output Behavior
LTC Input: Auto-detects frame rate (24, 25, 30, 29.97 DF)
LTC to MTC Conversion: Translates incoming LTC to MTC via MIDI & USB
Max Speed Deviation: ±6% from nominal for standard operation
Reverse/Erratic LTC: Sends MTC Full Messages
MTC Input: Accepts MIDI Timecode; stabilizes via integration algorithm
Locked Indicator: Decimal point lights when <5ms jitter (MTC/USB), <100µs (LTC)
JAM SYNC: Switches from LTC/MTC/USB to GEN with continuous timecode

Input/Output
USB Port: USB-B (USB Audio Class Compliant)
MIDI In/Out: Standard 5-pin DIN
LTC In/Out: BNC Connectors
Video Sync Input: Accepts multiple SD/HD sync formats

Video Sync Reference (GEN Mode)
24 FPS: 1080p23, 1080p24, 576i47, 576i48
25 FPS: 576i50, 720p50, 1080p25, 1080i50, 1080p50
30/30 DF: 720p59, 720p60, 480i59, 480i60, 1080p29, 1080p30, 1080i59, 1080i60, 1080p59, 1080p60

Display Modes
TC: Timecode (hh.mm.ss.ff)
UB: Userbits (Hexadecimal)
CAL: Speed Calibration Factor (e.g., 1.0000 = nominal, 0.9990 = pull down)
REF: Displays detected video sync format

Software & Driver Compatibility
USB Class: USB Audio Device Class Compliant
Windows: XP and later (generic driver, single-client only)
Mac OS X: Supports multi-client operation, no driver installation needed
Software Utility: Configure MMC ID, display brightness, blanking, etc.

Dimensions & Mounting
Form Factor: Half-rack width, 1U height
Included Accessories: 1x USB A-B cable, 4x rubber feet (pre-installed)
Optional Accessories: Rackmount kit with brackets and screws

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