small changes in notebooks

seeker-Liu · Oct 19, 2021 · 0db824a · 0db824a
1 parent 3e93dc3
commit 0db824a
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Showing 3 changed files with 10 additions and 8 deletions.
diff --git a/notebooks/E1-Python-and-sounds.ipynb b/notebooks/E1-Python-and-sounds.ipynb
@@ -42,7 +42,9 @@
     "import sys\n",
     "import os\n",
     "import numpy as np\n",
-    "\n",
+    "# to use this notebook with colab uncomment the next line\n",
+    "# !git clone https://github.com/MTG/sms-tools.git\n",
+    "# and change the next line to sys.path.append('sms-tools/software/models/')\n",
     "sys.path.append('../software/models/')\n",
     "from utilFunctions import wavread, wavwrite"
    ]
@@ -311,7 +313,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.8.3"
+   "version": "3.9.0"
   }
  },
  "nbformat": 4,

diff --git a/notebooks/E2-Sinusoids-and-DFT.ipynb b/notebooks/E2-Sinusoids-and-DFT.ipynb
@@ -139,7 +139,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# E2 - 2.2: Complete function the function gen_complex_sine()\n",
+    "# E2 - 2.1: Complete function the function gen_complex_sine()\n",
     "\n",
     "def gen_complex_sine(k, N):\n",
     "    \"\"\"Generate one of the complex sinusoids used in the DFT from its frequency index and the DFT lenght.\n",
@@ -376,7 +376,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.8.3"
+   "version": "3.9.0"
   }
  },
  "nbformat": 4,

diff --git a/notebooks/E3-Fourier-properties.ipynb b/notebooks/E3-Fourier-properties.ipynb
@@ -240,15 +240,15 @@
     "def suppress_freq_dft_model(x, fs, N):\n",
     "    \"\"\"\n",
     "    Args:\n",
-    "        x (np.array): input signal of length N (odd)\n",
+    "        x (np.array): input signal of length M (odd size)\n",
     "        fs (float): sampling frequency (Hz)\n",
     "        N (int): FFT size\n",
     "        \n",
     "    Returns:\n",
     "       np.array: output signal with filtering (N samples long)\n",
     "    \"\"\"\n",
-    "    N = len(x)\n",
-    "    w = get_window('hamming', N)\n",
+    "    M = len(x)\n",
+    "    w = get_window('hamming', M)\n",
     "    outputScaleFactor = sum(w)\n",
     "    \n",
     "    ### Your code here\n"
@@ -375,7 +375,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.8.3"
+   "version": "3.9.0"
   }
  },
  "nbformat": 4,