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1 files changed, 14 insertions, 1 deletions

diff --git a/talk.ipynb b/talk.ipynb
index 9c5c573..a43d53f 100644
--- a/talk.ipynb
+++ b/talk.ipynb
@@ -116,6 +116,19 @@
    "cell_type": "markdown",
    "metadata": {
     "slideshow": {
+     "slide_type": "subslide"
+    }
+   },
+   "source": [
+    "## I/Q Sampling\n",
+    "\n",
+    "![static/corkscrew.png](static/corkscrew.png)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "slideshow": {
      "slide_type": "slide"
     }
    },
@@ -220,7 +233,7 @@
     "sdr.center_freq = 91.8e6      # 91,800,00 Hz frequency for the radio station\n",
     "sdr.gain = 'auto'             # tune the gain (AKA \"volume\") automatically\n",
     "\n",
-    "samples = sdr.read_samples(8192000)  # collect samples during 5 seconds\n",
+    "samples = sdr.read_samples(1.2e6 * 8)  # collect samples during 8 seconds\n",
     "sdr.close()\n",
     "\n",
     "print(samples[:5])"