Historically, several IPAs have dominated the community:
Knowing the channels is one thing; practicing is another. Here is a 10-minute daily routine using YouTube and IPA.
Step 1: Identify the Enemy Open a dictionary (like Youglish or Wiktionary). Find a word you pronounce poorly. Copy the IPA. Example: Comfortable. Youtube - Ipa
Step 2: Search YouTube Type into the search bar: "IPA /ʌmf/ pronunciation" or "How to pronounce comfortable IPA."
Look for a video showing the vocal tract. Step 2: Search YouTube Type into the search
Step 3: Mirror & Slow Motion Stand in front of a mirror. Play the video at 0.75x speed.
Step 4: The Shadowing Technique Play the video at normal speed. Pause after every syllable. Copy the intonation exactly. YouTube’s "," and "." keys allow frame-by-frame skipping, which is vital for catching the glottal stop /ʔ/ or the flap /ɾ/. Step 4: The Shadowing Technique Play the video
This channel is arguably the most underrated resource for American English IPA. For every symbol (e.g., /ɔɪ/ as in boy), they provide: