Creating Voice Content with AI

Imagine crafting a podcast episode without a microphone or turning your blog post into an audiobook in minutes. AI voices are transforming how we create content—faster, cheaper, and more versatile than traditional recording. In this lesson, you’ll learn to write scripts AI can perform naturally, choose the perfect voice for your project, and seamlessly add AI-generated audio to videos or slides. Let’s turn your words into compelling voice content!

How Do AI Voices Work?

AI voice generators analyze thousands of human speech samples to learn patterns in pronunciation, rhythm, and emotion. When you input text, the AI predicts how a human would say it—but it’s only as good as your script. Garbage in, garbage out! That’s why your scriptwriting skills are the secret sauce.

Try It Now with Amazon Polly (Free Tier):

  1. Create a free AWS account.
  2. Go to the Amazon Polly Console.
  3. Select Standard under Engine.
  4. Toggle on SSML for SSML support.
  5. Copy-paste this SSML snippet into the text box:
    XML
    <speak>
  The <prosody rate="fast">quick</prosody> brown fox 
  <break time="1s"/> jumps over the <emphasis level="strong">lazy</emphasis> dog.  
  Pronounce "AI" as <phoneme alphabet="ipa" ph="eɪ.aɪ">AI</phoneme>.
</speak>
  6. Select a voice (e.g., "Joanna") and click Listen.
Introducing SSML: The Language of AI Voices

SSML (Speech Synthesis Markup Language) (Amazon Polly SSML) is the universal standard for controlling AI voices. Think of it as HTML for speech – it lets you add pauses, adjust speed, and emphasize words. Here’s a cheat sheet of key tags:

SSML TagWhat It DoesExample
<break time="1s"/>Adds a pause"Hello world"
<prosody rate="slow">Slows down speech<prosody rate="slow">Important</prosody>
<phoneme alphabet="ipa" ph="tʃɪˈpoʊtleɪ">Forces pronunciation using IPA symbols"Chipotle" → <phoneme...>
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