Why Checking Public-Domain Recordings Carefully Can Be More Tricky Than It Looks

https://sound-tech-journal.stonefielddigest.com/posts/how-creators-can-keep-audio-copies-of-their-own-videos

Why Checking Public-Domain Recordings Carefully Can Be More Tricky Than It Looks Small errors can begin with an ordinary case: an old speech has been uploaded in a modern mix. Even a file that opens may not be the item you expected