File size: 3,948 Bytes
27e74f3 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 | #!/usr/bin/env python3
# -*- coding: utf-8 -*-
# 文件名: detect_audio_devices.py
import pyaudio
import numpy as np
import time
def detect_audio_devices():
"""检测并列出所有音频设备"""
p = pyaudio.PyAudio()
print("\n===== 音频设备检测 =====\n")
# 存储找到的设备
input_devices = []
output_devices = []
# 列出所有设备
for i in range(p.get_device_count()):
dev_info = p.get_device_info_by_index(i)
# 打印设备信息
print(f"设备 {i}: {dev_info['name']}")
print(f" - 输入通道: {dev_info['maxInputChannels']}")
print(f" - 输出通道: {dev_info['maxOutputChannels']}")
print(f" - 默认采样率: {dev_info['defaultSampleRate']}")
# 识别输入设备（麦克风）
if dev_info['maxInputChannels'] > 0:
input_devices.append((i, dev_info['name']))
if "USB" in dev_info['name']:
print(" - 可能是USB麦克风 ?")
# 识别输出设备（扬声器）
if dev_info['maxOutputChannels'] > 0:
output_devices.append((i, dev_info['name']))
if "bcm2835 Headphones" in dev_info['name']:
print(" - 可能是内置耳机输出 ?")
elif "USB" in dev_info['name'] and dev_info['maxOutputChannels'] > 0:
print(" - 可能是USB扬声器 ?")
print("")
# 总结找到的设备
print("\n===== 设备总结 =====\n")
print("找到的输入设备（麦克风）:")
for idx, name in input_devices:
print(f" - 设备 {idx}: {name}")
print("\n找到的输出设备（扬声器）:")
for idx, name in output_devices:
print(f" - 设备 {idx}: {name}")
# 推荐设备
print("\n推荐设备配置:")
# 推荐麦克风
recommended_mic = None
for idx, name in input_devices:
if "USB" in name:
recommended_mic = (idx, name)
break
if recommended_mic is None and input_devices:
recommended_mic = input_devices[0]
# 推荐扬声器
recommended_speaker = None
for idx, name in output_devices:
if "bcm2835 Headphones" in name:
recommended_speaker = (idx, name)
break
if recommended_speaker is None and output_devices:
recommended_speaker = output_devices[0]
if recommended_mic:
print(f" - 麦克风: 设备 {recommended_mic[0]} ({recommended_mic[1]})")
else:
print(" - 未找到可用麦克风")
if recommended_speaker:
print(f" - 扬声器: 设备 {recommended_speaker[0]} ({recommended_speaker[1]})")
else:
print(" - 未找到可用扬声器")
print("\n===== PyAudio配置示例 =====\n")
if recommended_mic:
print(f"# 麦克风初始化代码")
print(f"input_device_index = {recommended_mic[0]} # {recommended_mic[1]}")
print(f"input_stream = p.open(")
print(f" format=pyaudio.paInt16,")
print(f" channels=1,")
print(f" rate=16000,")
print(f" input=True,")
print(f" frames_per_buffer=1024,")
print(f" input_device_index={recommended_mic[0]})")
if recommended_speaker:
print(f"\n# 扬声器初始化代码")
print(f"output_device_index = {recommended_speaker[0]} # {recommended_speaker[1]}")
print(f"output_stream = p.open(")
print(f" format=pyaudio.paInt16,")
print(f" channels=1,")
print(f" rate=44100,")
print(f" output=True,")
print(f" frames_per_buffer=1024,")
print(f" output_device_index={recommended_speaker[0]})")
p.terminate()
return recommended_mic, recommended_speaker
if __name__ == "__main__":
try:
mic, speaker = detect_audio_devices()
print("\n检测完成！")
except Exception as e:
print(f"检测过程中出错: {e}") |