Final answer:
When a speech soundbite is uploaded, the most immediate action is usually instant transcription, where the audio is converted into text.
Step-by-step explanation:
When a speech soundbite is uploaded, several actions can occur depending on the platform and the features it offers. The correct answer to what happens instantly is A. Instant transcription. This process involves converting the spoken words into written text. While some platforms may also offer audio enhancement to improve the quality of the recording and some may even require a verification call from support for certain services, the most immediate action taken specifically with uploaded speech is typically converting it to text, also known as transcription. This is particularly useful in various applications such as closed captioning, content analysis, and making content more accessible.