Initial commit: RecorderStudio：PyQt5 高保真录音软件，无损 WAV / WASAPI 独占、BS.1770 响度与 ffmpeg 交叉验证

_build/selftest/bad.wav

@@ -0,0 +1 @@
+not a wav file

_build/selftest/meta_test.json

@@ -0,0 +1,73 @@
+{
+  "app": "RecorderStudio",
+  "version": "1.0",
+  "recorded_at": "2024-01-01T00:00:00",
+  "finished_at": "2024-01-01T00:00:01",
+  "device": "测试设备 [WASAPI]",
+  "format": "48000 Hz / 24-bit PCM / 2 声道",
+  "sample_rate": 48000,
+  "bit_depth": "24",
+  "channels": 2,
+  "gain_db": 0.0,
+  "lowcut_hz": 0.0,
+  "exclusive_mode": true,
+  "dither": true,
+  "duration_seconds": 1.0,
+  "frames": 48000,
+  "bytes": 288068,
+  "peak_dbfs": -10.4,
+  "clipped_samples": 0,
+  "xruns": 0,
+  "queue_overflows": 0,
+  "files": [
+    "meta_test.wav"
+  ],
+  "markers": [
+    {
+      "label": "测试标记",
+      "file": "meta_test.wav",
+      "seconds": 0.5,
+      "timestamp": "2024-01-01T00:00:00"
+    }
+  ],
+  "analysis": {
+    "path": "E:\\deepseek\\RecorderStudio\\_build\\selftest\\meta_test.wav",
+    "samplerate": 48000,
+    "channels": 2,
+    "encoding": "pcm",
+    "bits": 24,
+    "frames": 48000,
+    "duration": 1.0,
+    "data_bytes": 288000,
+    "rf64": false,
+    "format": "48000 Hz / 24-bit PCM / 2 声道",
+    "analyzed_frames": 48000,
+    "analyzed_duration": 1.0,
+    "peak_dbfs": [
+      -10.458,
+      -10.458
+    ],
+    "true_peak_dbtp": [
+      -10.457,
+      -10.457
+    ],
+    "rms_dbfs": [
+      -13.468,
+      -13.468
+    ],
+    "integrated_lufs": -11.14,
+    "loudness_range_lu": 0.0,
+    "dc_offset": [
+      0.0,
+      -0.0
+    ],
+    "noise_floor_dbfs": [],
+    "noise_floor_available": false,
+    "clipped_samples": [
+      0,
+      0
+    ],
+    "clipped_total": 0
+  },
+  "notes": []
+}

_build/selftest/meta_test.txt

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+RecorderStudio 录音报告
+==============================================
+开始时间   : 2024-01-01T00:00:00
+结束时间   : 2024-01-01T00:00:01
+输入设备   : 测试设备 [WASAPI]
+录制格式   : 48000 Hz / 24-bit PCM / 2 声道
+独占模式   : 是
+软件增益   : +0.0 dB
+低切滤波   : 关闭
+抖动       : 开启 (TPDF)
+
+总时长     : 00:01.0
+总采样帧   : 48000
+数据量     : 281.3 KB
+文件数     : 1
+  · meta_test.wav  (281.3 KB)
+
+音质体检
+----------------------------------------------
+采样峰值   : -10.46, -10.46 dBFS
+真峰值     : -10.46, -10.46 dBTP
+RMS 电平   : -13.47, -13.47 dBFS
+整体响度   : -11.14 LUFS
+动态范围   : 0.0 LU
+直流偏移   : [0.0, -0.0]
+本底噪声   :  dBFS（录音中未检测到静音段，无法测定）
+削波样本   : 0
+丢弃块/溢出: 0
+驱动层 xrun: 0
+
+标记
+----------------------------------------------
+     0.500 s  测试标记  (meta_test.wav)