<p>我没有看过<code>pyaudio</code>,但我也在少数情况下使用过<a href="http://python-sounddevice.readthedocs.io/en/0.3.3/" rel="nofollow">sounddevice</a>。</p>
<p>下面是一个示例代码,列出了可用的<code>input</code>和<code>output</code><code>audio devices</code>。</p>
<pre><code>import sounddevice as sd
print sd.query_devices()
</code></pre>
<p>从下面的输出中可以看到,当我将耳机插入麦克风插孔时,<code>Index 1</code>可用作输入。
<code>1 Jack Mic (IDT High Definition A, MME (2 in, 0 out)</code></p>
<p>而默认的笔记本电脑音频麦克风显示为<code>index 2</code></p>
<p><code>2 Microphone Array (IDT High Defi, MME (2 in, 0 out)</code></p>
<p><strong>输出</strong></p>
<pre><code>Python 2.7.9 (default, Dec 10 2014, 12:24:55) [MSC v.1500 32 bit (Intel)] on win32
Type "copyright", "credits" or "license()" for more information.
>>> ================================ RESTART ================================
>>>
0 Microsoft Sound Mapper - Input, MME (2 in, 0 out)
> 1 Jack Mic (IDT High Definition A, MME (2 in, 0 out)
2 Microphone Array (IDT High Defi, MME (2 in, 0 out)
3 Microsoft Sound Mapper - Output, MME (0 in, 2 out)
< 4 Speakers / Headphones (IDT High, MME (0 in, 2 out)
5 Communication Headphones (IDT H, MME (0 in, 2 out)
6 Primary Sound Capture Driver, Windows DirectSound (2 in, 0 out)
7 Jack Mic (IDT High Definition Audio CODEC), Windows DirectSound (2 in, 0 out)
8 Microphone Array (IDT High Definition Audio CODEC), Windows DirectSound (2 in, 0 out)
9 Primary Sound Driver, Windows DirectSound (0 in, 2 out)
10 Speakers / Headphones (IDT High Definition Audio CODEC), Windows DirectSound (0 in, 2 out)
11 Communication Headphones (IDT High Definition Audio CODEC), Windows DirectSound (0 in, 2 out)
12 Communication Headphones (IDT High Definition Audio CODEC), Windows WASAPI (0 in, 2 out)
13 Speakers / Headphones (IDT High Definition Audio CODEC), Windows WASAPI (0 in, 2 out)
14 Jack Mic (IDT High Definition Audio CODEC), Windows WASAPI (2 in, 0 out)
15 Microphone Array (IDT High Definition Audio CODEC), Windows WASAPI (2 in, 0 out)
16 Headset Microphone (Bluetooth Hands-free Audio), Windows WDM-KS (1 in, 0 out)
17 Headphones (Bluetooth Hands-free Audio), Windows WDM-KS (0 in, 2 out)
18 Headphones (HpOut), Windows WDM-KS (0 in, 2 out)
19 Microphone Array (MicIn2), Windows WDM-KS (2 in, 0 out)
20 Jack Mic (MuxedIn), Windows WDM-KS (2 in, 0 out)
21 Dock Mic (MuxedIn), Windows WDM-KS (2 in, 0 out)
22 Rec. Playback (MuxedIn), Windows WDM-KS (2 in, 0 out)
23 Speakers (Speaker/HP), Windows WDM-KS (0 in, 2 out)
</code></pre>