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External word clock7/28/2023 ![]() ![]() Six selectable output frequencies from 44.1 to 192 kHz are globally available from the three 75Ω BNC connectors. Jitter at the crystal oscillator is held to approximately one picosecond RMS, and just under 10 picoseconds RMS at the output. A Dante device with this attribute set will become the PTP Leader Clock, unless there is another Dante device present with Preferred Leader set. I work with engineers who use an external word clock with every console ranging from the Yamaha LS9 to the DiGiCo SD10, and they contend that the sound is. Keep in mind, however, that the timing resolution of MTC is very low compared to sample clock, so there’s always. Again, drift should be minimal, but if very tight synchronization is required you may have a problem. Additionally, there is very little undesirable in-band or out of band content in the Wordclock output(below 10 picoseconds using a Delta Sigma average). A Dante device set to Enable Sync To External will use the external word clock from its host equipment to tune its onboard VCXO. In the case we’re examining here, MIDI will be following MTC for speed, while the audio is following the external word clock. Proprietary noise reduction circuitry eliminates the unwanted switching harmonics (musically unrelated signals that create distortion and phase cancellation) normally found in digital signals. In an attempt to minimise noise that might affect the signal, the company has dispensed with any unneeded peripheral components such as lights, or a frequency display, and housed the unit in a basic and rugged chassis that provides optimum RF shielding. The Black Lion Audio Micro Clock mk2 - External Wordclock Generator is an external Wordclock generator that features ultra-low jitter, third-order crystal oscillators, with a high-current parallel drive circuit designed to increase the amount of desirable harmonics within the clock's spectral band. ![]()
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