Rec/Playback

 

 

 


 

Recording & Playback

The software supports recording of audio (WAV, MP3, WMA) and IQ (RAW) data, in addition full support for IQ playback.

Audio

The software supports recording of audio in

  • WAV (Waveform Audio File Format, lossless),
  • MP3 (MPEG-1 or MPEG-2 Audio Layer III) and
  • WMA (Windows Media Audio).

Note: to record audio you must have at least one receiver started.

A comparison of a 60 second recording, amateur radio, single sideband.

WAV: 5,800 KB
MP3:   464 KB
WMA:   492 KB

Comparing the audio quality of these recordings, WMA is better although the output file is approximately 5% larger. General opinion is that WMA is better tham MP3 as lower bit rates.

From the Rec/Playback pane in the ribbon bar select Audio Record, the Record Active Receiver window is displayed.

  • Title - used as the filename,
  • Folder - where the file is stored,
  • Format - either MP3, WAV (lossless) or WMA,
  • Length - if not checked then the length is unlimited,
  • Other - optionally do not record when the output is squelched - usually FM transmissions.

Press Start to enable the recording. When a recording is active a Yellow speaker icon and the Recording test is displayed in the receiver window.

Browse

Pressing the Browse button in the Rec/Playback pane displays a list of folders where audio has been stored by this software. Selecting an entry from the list opens the Windows file explorer in the selected folder.

Playback

Playback is not supported as there are many options already available for the Windows platform.

 


 

 

Data (IQ) Recording

From the Rec/Playback pane in the ribbon bar select Data :: Record, Record, the Start Recording window is displayed.

The options include:

  • Scheduling the recording,
  • Size of each file,
  • Sample size (16-bit is recommrnded),
  • Lock the radio so it is not accidently changed while a recording is in progress.

Press Start to start the recording. While a recording is in progress the status is displayed in the waterfall.

 




Data (IQ) Scheduler

The data scheduler is a powerful recording feature described in detail here.

Data (IQ) Playback

From the Rec/Playback pane in the ribbon bar select Data :: RecordOpen, the Select Recording window is displayed.

Select a recording, then press Play. To aid navigation of the selected recording select Navigator from the Rec/Playback pane in the ribbon bar.