20 Seconds Single Chip Voice/Dual Tone Sound Effect Synthesizer(语音容量20秒的单片语音/双音调语音合成器) 12 Seconds Single Chip Voice/Dual Tone Sound Effect Synthesizer(璇??瀹归?12绉?????璇??/???璋???冲????) 4 Seconds Single Chip Voice/Dual Tone Sound Effect Synthesizer(璇??瀹归?4绉?????璇??/???璋???冲????) 40 Seconds Single Chip Voice/Dual Tone Sound Effect Synthesizer(璇??瀹归?40绉?????璇??/???璋???冲????) 30 Seconds Single Chip Voice/Dual Tone Sound Effect Synthesizer(璇??瀹归?30绉?????璇??/???璋???冲????)