Rohde & Schwarz R&S UPP, User Manual

Page: 328 / 938

Instrument Functions
R&S
®
UPP
312 User Manual 1411.1055.32 ─ 10
Channel
Used to set the active measurement channel.
Used to select the audio data for the left channel (Channel = 1), right channel (Channel
= 2) or both channels (Channel = Both).
If a single-channel measurement is selected (Ch1 or Ch2), the data content of the
other channel is not taken into consideration.
"1" Only the signal on the left channel is measured.
"2" Only the signal on the right channel is measured.
"Both" Both channels are measured (stereo).
Remote command:
INPut[1]:CHANnel
on page 725
Audio Bits
Word width used by the digital audio analyzer in the Meas Mode "Audio Data".
Value range: 8 ... 24
If the word width is reduced, the values of the audio samples are trimmed down to the
specified word width. Reduced word width results in a corresponding reduction in
dynamic range.
Remote command:
INPut[1]:AUDiobits
on page 725
Sample Freq
Used to set the clock rate of the digital audio signal for the analyzer.
The sample frequency setting is used as a reference for all audio data frequency mea-
surements.
If the entered frequency does not correspond to the applied frequency, all filters and
frequency measurements are shifted accordingly with respect to frequency.
Value range for numeric input:
30 kHz ... 200 kHz
Standard sampling frequencies can be set directly in the selection field.
Configuring the Digital Analyzer