Setting The Audio Capture Playback Softkeys - Keysight A Series User Manual

SA (Spectrum Analyzer) Mode (Option 233–Mixed Analyzers)
SA Mode Settings

Setting the Audio Capture Playback Softkeys

The FieldFox analog demodulation audio capture playback feature allows you
to capture/record the demodulated audio associated with an analog
demodulation measurement (AM DSB, AM SSB, FM, FM Stereo or PM) and
save it as an audio file. It also allows you to recall and playback audio files
through FieldFox's built-in speaker or headphones.
Currently, the audio capture playback feature supports WAVE files with
mono or stereo LPCM data sampled at 48,000 Hz with 16 bits per sample.
If you are unable to hear your audio data files (*.wav), verify that your
System > Preferences > Preferences > Audio is set to On.
When Analog Demod is selected, you can choose from the following:
— Press Meas Setup 4 >
— If you want to initiate an audio capture:
— If you want to stop an audio capture:
— If you have previously stored an audio file:
— Press
190
Press Capture
Press Stop to stop the current capture of audio data and depending on the
timing of pressing Stop, possibly prevent the audio data from being stored.
Press Playback then
— Play – to play the last current audio file (*.wave) loaded into memory.
— Stop – to disable playback of the current audio file.
— Volume 0 – to enable disable volume and to adjust the volume from
0 to 100 (default = 50).
— Load Audio File
— Cap Auto–Load File
captured audio (.wav) file (default = OFF).
Capture Settings
— Capture Count – sets the number of audio captures for a
measurement (Default = 1; Settable: 1 to 10K).
— Capture Time – sets the capture time (Default = 100 ms).
Minimum/Maximum capture times vary with other settings.
— Stereo Channel
softkey sets the type of audio to be captured and stored: (Choose
single channel: Mono
Or choose two channel:
More > Audio Capture Playback
– to load a previously stored audio (.wave) file.
– enable/disables automatically loading of a
then
– When Demod Type = FM Stereo / RDS, this
(L+R), Left (L), Right
Stereo (L&R). Default = Mono (L+R).
Keysight N9927-90020 User's Guide
then
(R), and Difference (L–R).