At the technical level, some methods may try to circumvent music copyright detection, but from a legal and ethical point of view, there is always a risk of infringement for unauthorized use of copyrighted music. The following is an objective analysis of this issue： --- ###**Technical possibilities and limitations** 1. **Audio editing technology** -Variable speed/pitch change: Adjusting the playback speed or pitch may change the audio fingerprint, but modern detection systems (such as Content ID) may still recognize it. -Clip interception or mixing: intercepting short clips or mixing with other audio tracks may reduce the recognition rate, but the key melody or rhythm may still be detected by the algorithm. 2. **Application of AI tools** -Timbre replacement: Use AI to replace instrument timbre or vocals, but the original melody and chord progressions are still protected by copyright. -Generative AI: Generate music of similar style through training models, pay attention to the legal definition of “derivative works”. 3. **Noise interference** Adding background noise or filtering may affect detection, but it may also reduce the quality of music, and legal risks cannot be completely avoided. --- ###**Legal and ethical risks** 1. **Coverage of copyright law** - Even if the music is modified, as long as the core elements (such as melody and lyrics) can be identified, it may still constitute infringement. -The law does not require the work to be copied in its entirety, and liability can be triggered if the similarity reaches a certain extent. 2. **Platform detection mechanism** -The automated systems of platforms such as YouTube and TikTok will continue to update their algorithms. Technical circumvention methods may be effective in the short term, but unreliable in the long term. 3. **Severity of consequences** - Infringement may result in content being removed from the shelves, account bans, legal actions or compensation claims. --- ###**Legal alternative** 1. **Use authorized music** -Obtain genuine authorization through music libraries provided by the platform (such as YouTube Audio Library, Epidemic Sound). -Purchase a commercial license or negotiate authorization with the copyright party. 2. **Creative sharing (CC) and royalty-free music** -Use the CC0 agreement or royalty-free platforms (such as Free Music Archive, Jamendo) to obtain works that can be legally used. 3. **Original or collaborative creation** -Encourage self-creation, or cooperate with musicians to customize original content. --- ###**Summary** Although technical means may temporarily evade detection, their effects are limited and legal risks cannot be ignored. **Respect for intellectual property rights is always the safest choice**. If you need to use music, it is recommended to obtain authorization through legal means, or choose resources without copyright restrictions.