now that we have gpt-4o voice do we need STT and TTS providers ? https://cdn.discordapp.com/attachments/1211484481848873020/1239926925577949274/image.png?ex=6644b36f&is=664361ef&hm=4bde0a9c2613ed69f4ec8d8c954b88da6c6764975dfc011888bc1333519f64c4&