A notebook for listening to pronunciation in other languages (#206)

* Create pronunciation.ipynb * Version update
callysto · Mar 19, 2021 · b8ca6cc · b8ca6cc
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+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "![Callysto.ca Banner](https://github.com/callysto/curriculum-notebooks/blob/master/callysto-notebook-banner-top.jpg?raw=true)\n",
+    "\n",
+    "<a href=\"https://hub.callysto.ca/jupyter/hub/user-redirect/git-pull?repo=https%3A%2F%2Fgithub.com%2Fcallysto%2Fcurriculum-notebooks&branch=master&subPath=Languages/Pronunciation/pronunciation.ipynb&depth=1\" target=\"_parent\"><img src=\"https://raw.githubusercontent.com/callysto/curriculum-notebooks/master/open-in-callysto-button.svg?sanitize=true\" width=\"123\" height=\"24\" alt=\"Open in Callysto\"/></a>"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Language Pronunciation\n",
+    "\n",
+    "As we are learning to speach additional languages, we need to listen to how words and phrases are pronounced. We will use the [Google Translate](https://pypi.org/project/googletrans) and [Google Text-to-Speech](https://pypi.org/project/gTTS) code libraries for this.\n",
+    "\n",
+    "In the cell below, you can change what the `translate_this` variable is equal to, for example `translate_this = 'goodbye'`, then click the `►Run` button to display and speak the translation."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "translate_this = 'Hello, how are you today?'\n",
+    "source = 'en'\n",
+    "destination = 'fr'\n",
+    "\n",
+    "from googletrans import Translator\n",
+    "translator = Translator()\n",
+    "result = translator.translate(translate_this, src=source, dest=destination)\n",
+    "print(translate_this)\n",
+    "print(result.text)\n",
+    "import gtts\n",
+    "gtts.gTTS(result.text, lang=destination, slow=True).save('pronunciation.wav')\n",
+    "import IPython.display as ipd\n",
+    "ipd.display(ipd.Audio('pronunciation.wav'))"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Available Languages\n",
+    "\n",
+    "To list the languages that are available for translation, `►Run` the following code cell."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "gtts.lang.tts_langs()"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Speaking a Word or Phrase\n",
+    "\n",
+    "If we have a word or phrase that has already been translated, we can use the following code cell to listen to its pronunciation.\n",
+    "\n",
+    "To speed up the speaking, change `slow=True` to `slow=False`."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "speak_this = 'Dar la vuelta a la tortilla'\n",
+    "language = 'es'\n",
+    "\n",
+    "gtts.gTTS(speak_this, lang=language, slow=True).save('pronunciation.wav')\n",
+    "ipd.display(ipd.Audio('pronunciation.wav'))"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Conclusion\n",
+    "\n",
+    "When learning languages it is important to listen to pronunciation. In this notebook we used code libraries to produce machine-generated audio files so we could hear what words and phrases sound like."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "[![Callysto.ca License](https://github.com/callysto/curriculum-notebooks/blob/master/callysto-notebook-banner-bottom.jpg?raw=true)](https://github.com/callysto/curriculum-notebooks/blob/master/LICENSE.md)"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "language": "python",
+   "name": "python3"
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+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.8.3"
+  }
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+ "nbformat": 4,
+ "nbformat_minor": 4
+}