ADAT™-AES3-S/PDIF Digital Audio Format & Sampling Rate Converter The MC-4 is a high performance digital multichannel audio format and sampling rate converter for ADAT™, AES3 and S/P-DIF. The MC-4 converts ADAT™, AES3 and S/P-DIF digital multichannel audio signals whereas uni- and bidirectional conversion modes are available. All digital audio signals can be processed up to 192.0kHz including SMUX2 and SMUX4 support for ADAT™conversions with higher clock rates than 48.0kHz. Based on latest FPGA designs, the MC-4 achieves levels of performance regarding its signal quality, unique flexibility and clocking features, which are outstanding in today’s industry! FEATURES: • ADAT™, AES/EBU and S/P-DIF interfaces working in one box. • Format and sampling rate conversions up to 192.0kHz. • SMUX2 and SMUX4 support for ADAT™conversions. • Signal improvement through audiophil-optimized PLL synthesizers. • Extremely flexible synchronization options. • Separate AES11 reference clock input for e.g. broadcast use. • Converts standalone and bidirectionally with different sampling rates: X-SRC. • 16 channel sampling rate conversion engine (SRC) for bidirectional conversions. • Continuous signal supply in absence of the reference audio or clock signal. • Runs standalone in all SRC operation modes without needing an external   master clock reference. • AES11, Grade 1, internal reference clock (0.5ppm). • Word Clock output useable as master clock reference. • Easy configurable. • User settings will be stored in FLASH memory after switching-off. • Rack space saving ½ 19” case allowing for mounting two devices side by side   in one rack unit. • Built-in international power supply. An enormous feature-set with various operation modes enable the use of the MC-4 in many applications. Generally, incoming digital audio signals are converted unidirectionally to all three audio formats simultaneously, with or without SRC functionality. If clock rate conversion is necessary, the SRC engine can be locked to Word Clock, AES11 (separate input available) and any digital audio input in both, uni- and bidirectional operation modes. Unique to the MC-4 is its capability to lock two 8-channel digital audio sources with different clock rates and to convert their audio formats and clock rates bidirectionally in realtime with help of the X-SRC mode. Therefore, unlike any product in its category, the unit includes a 16 channel SRC engine as a standard, whereas two audiophil-optimized PLL synthesizers secure best sound quality in all operations modes. The MC-4 extracts the master clocks out of each of the two incoming 8-channel digital audio streams and uses these clock references to synchronize the SRCs in front of each of the format-same outputs. Thus, the two digital audio sources are held permanently in sync to each other by the MC-4 without the necessity to lock any of the involved devices to an external master clock reference. This is especially useful when interconnecting two non-synchronized or non-synchronizable digital audio devices, each running on its own internal clock base. As further special feature, the MC-4 offers an internal, Ultra low-jitter clock base with outstanding accuracy to which the SRCs can be locked to, if no external reference is available. Running the MC-4 in this mode, its Word Clock output can be used e.g. as master clock reference to synchronize any other digital audio device in the studio. This all makes the MC-4 for sure a unique and the most flexible digital multichannel audio converter currently available in the pro-audio industry! APPLICATIONS: • Interconnection of consumer and professional digital audio devices. • Audiophil clock recovery and signal regeneration. • ADAT™ + SMUX2/4, AES3 and S/P-DIF format and sampling rate conversions. • Integration of non-synchronizable devices, like musical instruments,   DAT players, MD recorders or DAWs into digital studio environments. • Realtime bidirectional signal transfers between sends/returns of digital   mixing consoles and effect processors. • Uni- and bidirectional interconnection of computerbased sound cards   with professional digital audio equipment. • Usable within small studio set-ups up to broadcast installations. For full technical specifications please download the MC-4 manual located in the download table at the bottom of this site. PERIPHERAL MUTEC PRODUCTS • MC-3 SMART CLOCK, Digital Audio Master Clock Generator • MC-3.1 SMART CLOCK SD, Digital Audio and SD Video Sync Master Clock Generator • MC-3.2 SMART CLOCK HD, Digital Audio and SD/HD Video Sync Master Clock Generator • MC-2, AES3/AES11 Signal Distribution Amplifier and Converter • MC-7, Word Clock distribution amplifier and audio clock converter

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