城市地铁 音效
Zhilingku Studio / 指令探索无界
《城市地铁》音效
[Sound effect: Morning rush hour subway ambience]
[Duration: 60 seconds (loopable)]
[Description: Busy subway station and train interior during peak hours. Distant train rumble approaching, platform door chimes, automated announcement (female, slightly muffled, e.g., “The next station is…”), doors sliding open with pneumatic hiss, crowd footsteps and shuffling, turnstile beeps and card swipes, briefcases setting down, subway car motor whine accelerating away, muffled conversation fragments, occasional train bell]
[Mood: Urban, daily, energetic, slightly chaotic]
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分层设计：底层为持续的地铁运行低频嗡鸣，中层为脚步声、刷卡声和人群 murmur，上层为清晰的报站声和开关门音效。
报站声建议用合成语音或真实采样，并加入轻微混响模拟站台空间感。
人群音效可用多组脚步采样叠加，避免单一循环感，交谈声需模糊处理（低频滤波）。
动态上，开门时音量稍升，关门后列车离站声音渐弱，模拟进入隧道。
混响采用中等车站或车厢预设，保持自然真实。
