Python 音频: sounddevice 使用左声道/右声道/立体声 --- 播放,录音

最新推荐文章于 2025-06-02 00:40:47 发布

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最新推荐文章于 2025-06-02 00:40:47 发布 · 4.7k 阅读

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#python

# coding: utf8

"""
    Python 音频: 使用 sounddevice 操作声卡的 左声道, 右声道, 立体声
    仅限 MME,   Windows DirectSound,   Windows WASAPI,   Windows WDM-KS 等支持双声道的驱动类型
"""

import os
import sounddevice as sd
import soundfile

mapping_left_ch = 1  # 左声道为 1
mapping_right_ch = 2  # 右声道为 2
mapping_stereo = None  # 立体声为 None

"""
   0 Microsoft 声音映射器 - Input, MME (2 in, 0 out)
>  1 麦克风阵列 (Realtek High Defini, MME (2 in, 0 out)
   2 Microsoft 声音映射器 - Output, MME (0 in, 2 out)
<  3 扬声器 (Realtek High Definition, MME (0 in, 2 out)
   4 PHL 230B8Q (英特尔(R) 显示器音, MME (0 in, 2 out)
   5 主声音捕获驱动程序, Windows DirectSound (2 in, 0 out)
   6 麦克风阵列 (Realtek High Definition Audio), Windows DirectSound (2 in, 0 out)
   7 主声音驱动程序, Windows DirectSound (0 in, 2 out)
   8 扬声器 (Realtek High Definition Audio), Windows DirectSound (0 in, 2 out)
   9 PHL 230B8Q (英特尔(R) 显示器音频), Windows DirectSound (0 in, 2 out)
  10 PHL 230B8Q (英特尔(R) 显示器音频), Windows WASAPI (0 in, 2 out)
  11 扬声器 (Realtek High Definition Audio), Windows WASAPI (0 in, 2 out)
  12 麦克风阵列 (Realtek High Definition Audio), Windows WASAPI (2 in, 0 out)
  13 Output (英特尔(R) 显示器音频 - 输出 1.1), Windows WDM-KS (0 in, 2 out)
  14 Speakers 1 (Realtek HD Audio output with SST), Windows WDM-KS (0 in, 2 out)
  15 Speakers 2 (Realtek HD Audio output with SST), Windows WDM-KS (0 in, 6 out)
  16 电脑扬声器 (Realtek HD Audio output with SST), Windows WDM-KS (2 in, 0 out)
  17 麦克风阵列 1 (), Windows WDM-KS (2 in, 0 out)
  18 麦克风阵列 2 (), Windows WDM-KS (1 in, 0 out)
"""

# 此文件是双声道, 44100采样率
test_wav_file_path = r"F:\sounddevice_test_wav\wav_test\张杰 - 仰望星空.wav"

# 初始化一个录音文件路径
rec_file_path = os.path.join(os.path.abspath(os.path.join(os.getcwd(), os.path.pardir)),
                             "sounddevice_test_wav", "rec_files"