|
|
|
|
|
|
|
|
|
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") |
|
|
|
|
|
input_devices = [] |
|
output_devices = [] |
|
|
|
|
|
for i in range(p.get_device_count()): |
|
dev_info = p.get_device_info_by_index(i) |
|
|
|
|
|
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']}") |
|
|
|
|
|
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 ?") |
|
|
|
|
|
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("") |
|
|
|
|
|
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}") |
|
|
|
|
|
print("\n推荐设备配置:") |
|
|
|
|
|
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] |
|
|
|
|
|
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}") |