質問編集履歴
3
出力結果の追加
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```
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読取ったデータの一部をそのままhexでprintすると8bitの時だけほとんど00で、たまにff、稀にほかの数値
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マイク入力なので、同じデータではない
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```python3
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#!/usr/bin/env python
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#
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# coding:utf-8
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import pyaudio
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RECORD_SECONDS = 10
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CHUNK = 1024
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RATE = 8000
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FORMAT = [pyaudio.paInt16,pyaudio.paUInt8,pyaudio.paInt8,pyaudio.paInt32]
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FORMATN=['pyaudio.paInt16','pyaudio.paUInt8','pyaudio.paInt8','pyaudio.paInt32']
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audio = pyaudio.PyAudio()
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k=0
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for i in FORMAT:
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stream = audio.open(format=i, channels=1,
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rate=RATE, input=True,
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input_device_index = 0,
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frames_per_buffer=CHUNK)
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data = stream.read(CHUNK)
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print(FORMATN[k])
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print(data[500:600].hex())
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stream.stop_stream()
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stream.close()
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k=k+1
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audio.terminate()
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"""
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出力
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pyaudio.paInt16
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e4036a026bff4603300502fe93f92eff520089f839fcf30b930a86f70ff43c025e05e7fefd01b004a0fb5ff90405a407defa37f4c1fb71045b07b6059c003afc91fb74fc8efd24ff6a01d4035002e5fc78fe9d07900622fa48f768fe71fdd3fa75021306
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pyaudio.paUInt8
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ffff0000705446320000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
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pyaudio.paInt8
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ffffffff000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
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pyaudio.paInt32
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c105390335ff460033ff12fdb6009b03d9005500e70112fec2f9b1fb6fff1303b106510470fdcbfbe3fd95fd2d00f305a40401fe8dfb2bfbb9fb4f039f09510267facafed50193fd81ff820410ff0ff987ffdb063305e6020e02e5fc95f7e1f78dfd8607
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"""
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```
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2
代替案を追加
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test
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### 該当のソースコード
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-
```
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```python3
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#!/usr/bin/env python
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@@ -126,6 +126,50 @@
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pyaudioでは回答が得られなかったので、代替案
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arecordの出力をパイプでpythonに取り込む
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できればpythonのみで完結したいので引き続き回答お待ちしております。
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```python3
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#!/usr/bin/env python
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## coding:utf-8
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# arecord -r 8000 -D plughw:0,0 -d 1 | python3 pipe.py
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import os,sys
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import numpy as np
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N=100
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read_pipe = os.fdopen(sys.stdin.fileno(), 'rb', buffering=N)
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data = np.frombuffer(read_pipe.read(N), dtype='uint8')
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print(data)
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```
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### 補足情報（FW/ツールのバージョンなど）
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PC nanopi neo2
|
1
タイトルを変更した、タグを追加した
test
CHANGED
|
@@ -1 +1 @@
|
|
|
1
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-
pyaudio
|
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1
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+
python3 pyaudio 8bitでマイクからの録音ができない（16bit、32bitではうまくいく)
|
test
CHANGED
|
File without changes
|