python - OSError:[Errno -9996] 尝试在 Windows 中使用 pyaudio 录制音频时输入设备无效(无默认输出设备)
问题描述
我想用 pyaudio(在 python 中)录制我的系统音频,但我收到此错误:OSError: [Errno -9996] Invalid input device (no default output device) 请帮帮我。这是我的代码:
import pyaudio
import wave
CHUNK = 1024
FORMAT = pyaudio.paInt16
CHANNELS = 2
RATE = 44100
RECORD_SECONDS = 5
WAVE_OUTPUT_FILENAME = "output.wav"
p = pyaudio.PyAudio()
stream = p.open(format=FORMAT,
channels=CHANNELS,
rate=RATE,
input=True,
frames_per_buffer=CHUNK)
print("* recording")
frames = []
for i in range(0, int(RATE / CHUNK * RECORD_SECONDS)):
data = stream.read(CHUNK)
frames.append(data)
print("* done recording")
stream.stop_stream()
stream.close()
p.terminate()
wf = wave.open(WAVE_OUTPUT_FILENAME, 'wb')
wf.setnchannels(CHANNELS)
wf.setsampwidth(p.get_sample_size(FORMAT))
wf.setframerate(RATE)
wf.writeframes(b''.join(frames))
wf.close()
这是完整的堆栈跟踪:
C:\jagdish\JKRecorder> & C:/Users/mohit/AppData/Local/Programs/Python/Python39/python.exe c:/jagdish/JKRecorder/temp.py
Traceback (most recent call last):
File "c:\jagdish\JKRecorder\temp.py", line 13, in <module>
stream = p.open(format=FORMAT,
File "C:\Users\mohit\AppData\Local\Programs\Python\Python39\lib\site-packages\pyaudio.py", line 750, in open
stream = Stream(self, *args, **kwargs)
File "C:\Users\mohit\AppData\Local\Programs\Python\Python39\lib\site-packages\pyaudio.py", line 441, in __init__
self._stream = pa.open(**arguments)
OSError: [Errno -9996] Invalid input device (no default output device)
C:\jagdish\JKRecorder>
解决方案
推荐阅读
- python - 在for循环中迭代字典太多次?
- php - PHP 2d数组总和相同的索引值
- java - Flyway:如何运行脚本而不将其添加到迁移中?
- python - 无法通过 REST API 调用执行 Ansible playbook
- jquery - 从 jQuery 到 REST API 的 AJAX PUT 不起作用 - 错误 404
- python - 如何使用 matplotlib 在全息视图中绘制相同颜色的曲线和误差线?
- excel - VBA Excel:“自动化错误。出现异常。” 使用用户窗体时
- java - 等效于 JavaFx 中的 FocusEvent.getOppositeComponent
- c++ - 如何以 DD:HH:MM:SS 的形式返回时间?
- javascript - Ajax 请求:Json 数据未传递给控制器