▲ 附上地址：https://ai.google.dev/gemini-api/docs/pricing#gemini-3.1-flash-image-preview
controller.close();
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The script grabs the captured audio element, mutes it, sets playbackRate to 16 (the browser maximum), seeks to the beginning, and calls .play(). The browser, in its infinite eagerness to keep the buffer full ahead of the playback position, frantically fetches, decrypts, and feeds chunks into the SourceBuffer. Every single one of those chunks passes through the hooked appendBuffer and gets collected.
Step 3: Refine with Detailed Shortcuts (Applying Secret Sauce #2):