WAVECOM Decoder W-PCI/e, W-CODE, W

The WAV file format supports files up to a maximum size of 4 GB. The maximum length of recording that can be made depends on the sample rate, number of channels and bits per sample. The table below lists the maximum recording lengths for a few common formats:

Format Max recording length

8kHz, 8-bit, mono

8kHz, 16-bit, mono

48kHz, 16-bit, mono

48kHz, 16-bit, stereo

192kHz, 16-bit, stereo

149 hours, 7 min

74 hours, 33 min

12 hours, 25 min

6 hours, 12 min

1 hour, 33 min

Playback Controls

Sound playback can be routed to the output of any installed sound card. To select the sound card that will be used for playback, use the Output Device control:

Monitor function

The monitor function allows the user to listen to the audio signal connected to the sound card input.

Press the Monitor button toggle this function on and off.

The monitor function works by playing back the recorded signal in real time. A circular buffer is used resulting in a small delay between the input and output signal.

A problem may occur when monitoring an input from one sound card to an output on another sound card, where the sampling clocks used for the input and output will not be synchronized. On some sound cards different clocks are used for input and output, resulting in the same problem. In these cases the monitor function may produce sound with occasional skips and interruptions - this is normal, and will not affect the integrity of recorded sound.

Some sound cards have an input labelled something like “What You Hear” or “Wave Out” allowing the recording of sound produced by other applications on the computer. When these inputs are selected, the monitor function should not be used as it will create a feedback loop.

HF-Modes Menu

The various HF protocols are displayed in the HF-Modes menus and are divided into different groups. To select the modes of a group, left-click or let the mouse rest briefly on the group item to be selected. Now, the modes of the group are displayed in a separate menu. Start decoding the desired mode by another left-click.

It may be difficult to guess or remember to which group a particular mode belongs. To facilitate an overview, a full-screen menu may be opened by clicking the menu item Mode Selector. To start a mode, click on the appropriate menu field. Leaving the full-screen menu will not terminate an active mode.

The various analysis tools available are displayed in the Analysis menus.

Descriptions of the operating modes in a separate section of this manual are arranged in alphabetical order.

The Mode Selector is available from the HF-Modes menu and from the WAVECOM Toolbar.

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First start WAVECOM Decoder W-PCI/e, W-CODE, W-CLOUD Manual V8.3.00

HF-Modes are organized as follows:

HF-Modes | Analysis HF-Modes | FSK

HF-Modes | MFSK HF-Modes | PSK & OFDM

WAVECOM Decoder W-PCI/e, W-CODE, W-CLOUD Manual V8.3.00 First start

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