ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,481,478, issued on Nov. 25, was assigned to Beijing Zitiao Network Technology Co. Ltd. (Beijing).
"Audio playback method and device" was invented by Lei Shi (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "An audio playback method and device are provided. The method comprises: receiving an instruction for rate adjustment, wherein the instruction for rate adjustment is used for adjusting an audio playback rate from a first multiple of a preset standard rate to a second multiple of the preset standard rate (S101); creating a second audio filter with the second multiple (S102); calling the second audio filter to perform rate change processing accord...