GENEVA, May 9 -- SHANGHAI SOULGATE TECHNOLOGY CO., LTD. (Room 108, Building 1, 333 Shengrong Road, China (Shanghai) Pilot Free Trade ZonePudong New Area, Shanghai 200210), 上海任意门科技有限公司 (中国上海市浦东新区中国（上海）自由贸易试验区盛荣路333号1号楼108室) filed a patent application (PCT/CN2025/111711) for "AUDIO PITCH CORRECTION METHOD AND APPARATUS, AND ELECTRONIC DEVICE" on Jul 31, 2025. With publication no. WO/2026/091727, the details related to the patent application was published on May 07, 20...