[✨Feature Request] Allow Audio to be sped up to save on OpenAI credits

[XChikuX]

https://george.mand.is/2025/06/openai-charges-by-the-minute-so-make-the-minutes-shorter/

OpenAI charges by the second. As a compression library it would make sense to classify sped up audio files as compressed.

Please do help us out with this much needed feature.

[github-actions]

👋 @XChikuX
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