… kHz.
Once the .wav file is created, you can import it into the DigitalGenerator of the SYS-2722 as shown in the figures below.
Figure 1 Importing an arbitrary waveform into the digital generator.
…
… is conducted. The sweep panel configurations we are using for theSYS-2722 and ATS-2 are shown in Figures 1 and 2 respectively.
Figure 2 ATS-2 Sweep panel configuration. The sweep starts by…
… and de-emphasis on playback, established by the Recording Industry Association of America. Figure 1 shows the RIAA equalization curve for playback of vinyl records. To test a phonograph preamplifier, you would…
… all FFT bins are returned for an 8k FFTlength at SR = 65536 Hz, the Sweep Panel should be set up as shown in Figure1b. With the sweep panel properly configured, once the sweep is completed, theFFT spectrum…
… observe, for example, a walking zeros pattern, set the Digital Generator and Digital I/O panels as shown below. With an output sample rate of 48 kHz and the Samples/Step control set to 48 k, the zeros will…
… that can be invoked by the command line, the process can easily be automated.
In the example shown in Figure 2, we are using a third party program called Goldwave to play a .wav file containing an audio…
… and adjacent bins, to determine its precise frequency. When finished, an FFT response graph will be shown, and the prompt will reappear with the frequency error displayed. Since the nominal sample rate of the…
…e graph (Figure 4). It displays results for each of the analog input channels enabled in the APx software. As shown, it also retrieves the channel labels from the system (in this case, “Left” and “Right”).
Figure…
… builders.
Adding a .NET operation to the VEE program.
A simple sample program written in VEE is shown below. It does the following:
Opens APx500 with the application window visible. Turns off the…
… Visual Basic.NET
In VB.NET, the references are accessed by selecting Project > Properties, as shown in Figure 1 (Note: The images shown below are from Microsoft Visual Basic 2008 Express Edition. The…