DigiDesign HD MADI Guide de l'utilisateur télécharger pdf (Page 15)

WordClock / FrameClock

The WordClock input can translate WordClock or FrameClock to the required Sample Rate. The “LOCK” LED on the front

panel indicates reception of a stable signal.

NOTE: When a “multiplexing” mode is used for digital audio transfers, the frame rate of the audio clock is equal to the

audio sample rate at up to 48kHz, half of the audio sample rate at up to 96kHz or a quarter of the audio sample rate at up

to 192kHz. The term “FrameClock” denotes an audio clock signal that is proportional but not always equal to the sample

rate, therefore:

• At 44.1kHz, 88.2kHz or 176.4kHz, the frame rate is 44.1kHz.

• At 48kHz, 96kHz or 192kHz, the frame rate is 48kHz.

NOTE: To understand this topic fully, it is important to read the AES MADI specification – AES 10 –2003 (www.aes.org

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DigiDesign HD MADI Guide de l'utilisateur Page 15