The Sample Rate & Word Length Menu {Srwl - Miranda UAP-711i Notice D'installation Et D'utilisation

Guide to installation & Operation
3.4.18 The sample rate & word length menu {SRWL}
This menu selects the sample rate and the word length used for the digital outputs and the internal
digital processing. All the outputs share the same selection. The default values for audio embedding in
the associated video-processing module are 48 kHz and 20 bits. The two parameters can be accessed
by remote control. The input to output sample rate ratio must be in the 1:3 to 3:1 ranges.
If AES1 or AES2 is selected as OSR source, the front panel REF led will stay green (even if the AES
channel status content indicates an unlocked condition) unless the corresponding INPUT LOCK led
turns red, in this case the front panel REF led will also light red. The module extracts the sample
frequency channel status bits from the A channel of the AES input and copies them on the AES outputs.
Sample rate adjustment procedure
The corresponding OSR value is coded in the channel status bits of the AES outputs. If the OSR
selection is a value incompatible with the reference, the front panel REF led will light orange (i.e.
reference is a 48 kHz Word Clock & the OSR selection is 32k).
• Press [+] or [-] displays {SRWL},
• Press [SEL] displays OSR,
• Press [SEL] again displays the current value, use [+] or [-] to scroll through the available values: 32k,
44k1, 48k, 96k, DIN1 or DIN2.
• Press [SEL] to store the new parameter, and to return to the previous menu
• Or press [ESC] to return to the previous menu without updating the parameter.
Word length adjustment procedure
Regardless of the input format, the sample rate converter outputs are 24 bit words. It is possible to adjust
the output word length to suit specific needs. Follow these steps for adjustment of quantization from 24
to 16 bits. The word length channel status bits are updated on the AES outputs.
• Press [+] or [-] displays {SRWL},
• Press [SEL] displays OSR, and use [+] to display OWL,
• Press [SEL] again displays the current value, use [+] or [-] to scroll through the available values: 24bt,
20bt or 16bt.
• Press [SEL] to store the new parameter, and to return to the previous menu
• Or press [ESC] to return to the previous menu without updating the parameter.
• To turn off the display, press [ESC].
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x UAP-711i/712i