This Bible contradiction is from the Skeptic's Annotated Bible.

Verses

Yes, they heard the voice.

Acts 9:7 View context

And the men which journeyed with him stood speechless, hearing a voice, but seeing no man.

No, they didn't hear the voice.

Acts.22:9 View context

And they that were with me saw indeed the light, and were afraid; but they heard not the voice of him that spake to me.