SoundGame Dev
cc0f8c008d
- 新增 web/ 纯音频 HTML5 平台：共享引擎（手势/WebAudio 三层/设置/震动）、 Node 零依赖服务器（静态 + 注册登录 + 进度存档 API） - 游戏：剑与声(RPG 新作)、声命线、暗室(重设计)、音序回响(重设计)、 节拍行者(跟随领奏重构)、盲航(同向闪避重构)；声东击西删除 - 全局功能：男声/女声双套 TTS 资产、三档语速、BGM 音量三档、 震动反馈语言(10 种震型)、服务器进度同步 - 资产：899 ogg + 899 m4a（Qwen3-TTS 双性别语音、Stable Audio 3 音效、 Mureka BGM 4+3 首），终检零缺失 - 文档：docs/design/ 13 篇设计审查文档、docs/audio/ 资产管线、 web/server/README.md API 文档
113 lines
4.0 KiB
Python
113 lines
4.0 KiB
Python
"""web/simon SFX 合成（numpy，44.1kHz 立体声 wav，后续 ffmpeg 转 ogg/m4a）。
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6 种手势特征音 + 4 个反馈音：
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tone_up 上行琶音 C5-E5-G5-C6（明亮弹拨）
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tone_down 下行低音 A2-F2-D2-A1（浑厚）
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tone_left E4 弹拨，声像极左
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tone_right G4 弹拨，声像极右
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tone_tap 短促底鼓
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tone_doubletap 两声连响（木琴质感）
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correct 上行双音和弦（答对）
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wrong 失谐锯齿低鸣（答错）
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newrecord 快速号角琶音（新纪录）
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gameover 下行三音（游戏结束）
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"""
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import os
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import numpy as np
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import soundfile as sf
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SR = 44100
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OUT = os.path.join(os.path.dirname(__file__), "..", "audio", "sfx", "wav_tmp")
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os.makedirs(OUT, exist_ok=True)
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def env_adsr(n, a=0.005, d=0.05, s=0.3, r=0.08):
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"""a/d/r 为秒，s 为 sustain 电平（0~1）。"""
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na, nd, nr = int(a * SR), int(d * SR), int(r * SR)
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ns = max(0, n - na - nd - nr)
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e = np.concatenate([
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np.linspace(0, 1, na, endpoint=False),
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np.linspace(1, s, nd, endpoint=False),
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np.full(ns, s),
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np.linspace(s, 0, nr),
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])
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return e[:n] if len(e) >= n else np.pad(e, (0, n - len(e)))
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def pluck(freq, dur, brightness=4, decay=6.0):
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"""类弹拨/木琴：基频 + 递减泛音，指数衰减。"""
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n = int(dur * SR)
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t = np.arange(n) / SR
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sig = np.zeros(n)
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for h in range(1, brightness + 1):
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sig += (1.0 / h) * np.sin(2 * np.pi * freq * h * t)
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sig *= np.exp(-decay * t)
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return sig
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def kick(dur=0.18):
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"""底鼓：正弦扫频 150→45Hz + 起始咔哒噪声。"""
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n = int(dur * SR)
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t = np.arange(n) / SR
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f = 45 + (150 - 45) * np.exp(-30 * t)
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phase = 2 * np.pi * np.cumsum(f) / SR
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sig = np.sin(phase) * np.exp(-18 * t)
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click = np.random.default_rng(7).standard_normal(n) * np.exp(-400 * t) * 0.3
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return sig + click
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def saw(freq, dur, detune=1.01):
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n = int(dur * SR)
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t = np.arange(n) / SR
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def s(f):
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# 加法合成锯齿（前 12 次泛音）
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out = np.zeros(n)
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for h in range(1, 13):
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out += (1.0 / h) * np.sin(2 * np.pi * f * h * t)
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return out
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sig = (s(freq) + s(freq * detune)) * 0.5
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return sig * env_adsr(n, a=0.01, d=0.1, s=0.6, r=0.15)
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def stereo(mid, pan=0.0):
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"""pan: -1 极左 ~ +1 极右。"""
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mid = mid / (np.max(np.abs(mid)) + 1e-9) * 0.85
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l = mid * np.sqrt((1 - pan) / 2) * np.sqrt(2)
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r = mid * np.sqrt((1 + pan) / 2) * np.sqrt(2)
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return np.stack([l, r], axis=1)
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def seq(notes, gap=0.0, **kw):
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"""音符序列拼接：notes = [(freq, dur), ...]，gap 为音符间隔秒。"""
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parts = []
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gapbuf = np.zeros(int(gap * SR))
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for f, d in notes:
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parts.append(pluck(f, d, **kw))
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parts.append(gapbuf)
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return np.concatenate(parts[:-1]) if parts else np.zeros(1)
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def save(name, sig):
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sig = sig / (np.max(np.abs(sig)) + 1e-9) * 0.85
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if sig.ndim == 1:
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sig = np.stack([sig, sig], axis=1)
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path = os.path.join(OUT, name + ".wav")
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sf.write(path, sig, SR)
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print(path, f"{len(sig)/SR:.2f}s")
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# ---- 6 手势音 ----
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save("tone_up", stereo(seq([(523.25, .14), (659.25, .14), (783.99, .14), (1046.50, .30)], decay=8)))
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save("tone_down", stereo(seq([(110.0, .18), (87.31, .18), (73.42, .18), (55.0, .40)], brightness=3, decay=5)))
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save("tone_left", stereo(pluck(329.63, 0.4, decay=7), pan=-0.93))
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save("tone_right", stereo(pluck(392.0, 0.4, decay=7), pan=0.93))
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save("tone_tap", stereo(kick()))
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dbl = np.concatenate([pluck(880, 0.10, decay=14), np.zeros(int(0.09 * SR)), pluck(1174.66, 0.16, decay=12)])
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save("tone_doubletap", stereo(dbl))
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# ---- 反馈音 ----
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save("correct", stereo(seq([(783.99, .14), (1318.51, .30)], decay=9)))
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save("wrong", stereo(saw(110, 0.6)))
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save("newrecord", stereo(seq([(523.25, .10), (659.25, .10), (783.99, .10), (1046.50, .10), (1318.51, .35)], decay=8)))
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save("gameover", stereo(seq([(392.0, .22), (311.13, .22), (246.94, .5)], brightness=3, decay=5)))
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