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xuming06
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add pyaudio
1 parent feb6ae7 commit 36019b6

7 files changed

Lines changed: 205 additions & 1 deletion

‎25speech/data/16k.wav‎

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‎25speech/pyaudio_make_play_callback_demo.py‎

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# -*- coding: utf-8 -*-
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"""
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@author:XuMing（[email protected])
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@description:
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"""
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"""
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PyAudio Example: Make a wire between input and output (i.e., record a
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few samples and play them back immediately).
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This is the callback (non-blocking) version.
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"""
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import pyaudio
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import time
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WIDTH = 2
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CHANNELS = 2
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RATE = 44100
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p = pyaudio.PyAudio()
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def callback(in_data, frame_count, time_info, status):
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return (in_data, pyaudio.paContinue)
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stream = p.open(format=p.get_format_from_width(WIDTH),
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channels=CHANNELS,
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rate=RATE,
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input=True,
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output=True,
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stream_callback=callback)
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stream.start_stream()
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while stream.is_active():
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time.sleep(1.0)
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stream.stop_stream()
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stream.close()
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p.terminate()

‎25speech/pyaudio_make_play_demo.py‎

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# -*- coding: utf-8 -*-
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"""
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@author:XuMing（[email protected])
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@description:
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"""
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"""
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PyAudio Example: Make a wire between input and output (i.e., record a
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few samples and play them back immediately).
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"""
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import pyaudio
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CHUNK = 1024
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WIDTH = 2
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CHANNELS = 2
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RATE = 44100
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RECORD_SECONDS = 5
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p = pyaudio.PyAudio()
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stream = p.open(format=p.get_format_from_width(WIDTH),
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channels=CHANNELS,
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rate=RATE,
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input=True,
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output=True,
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frames_per_buffer=CHUNK)
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print("* recording")
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for i in range(0, int(RATE / CHUNK * RECORD_SECONDS)):
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data = stream.read(CHUNK)
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stream.write(data, CHUNK)
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print("* done")
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stream.stop_stream()
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stream.close()
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p.terminate()

‎25speech/pyaudio_play_callback_demo.py‎

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# -*- coding: utf-8 -*-
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"""
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@author:XuMing（[email protected])
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@description:
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"""
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"""PyAudio Example: Play a wave file (callback version)"""
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import pyaudio
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import wave
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import time
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import sys
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file_path = './data/16k.wav'
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wf = wave.open(file_path, 'rb')
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p = pyaudio.PyAudio()
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def callback(in_data, frame_count, time_info, status):
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data = wf.readframes(frame_count)
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return (data, pyaudio.paContinue)
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stream = p.open(format=p.get_format_from_width(wf.getsampwidth()),
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channels=wf.getnchannels(),
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rate=wf.getframerate(),
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output=True,
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stream_callback=callback)
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stream.start_stream()
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while stream.is_active():
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time.sleep(0.1)
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stream.stop_stream()
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stream.close()
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wf.close()
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p.terminate()

‎25speech/pyaudio_play_demo.py‎

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# -*- coding: utf-8 -*-
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"""
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@author:XuMing（[email protected])
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@description:
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"""
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"""PyAudio Example: Play a WAVE file."""
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import pyaudio
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import wave
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import sys
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CHUNK = 1024
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if len(sys.argv) < 2:
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print("Plays a wave file.\n\nUsage: %s filename.wav" % sys.argv[0])
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sys.exit(-1)
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wf = wave.open(sys.argv[1], 'rb')
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p = pyaudio.PyAudio()
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stream = p.open(format=p.get_format_from_width(wf.getsampwidth()),
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channels=wf.getnchannels(),
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rate=wf.getframerate(),
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output=True)
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data = wf.readframes(CHUNK)
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while data != '':
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stream.write(data)
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data = wf.readframes(CHUNK)
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stream.stop_stream()
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stream.close()
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p.terminate()

‎25speech/pyaudio_record_demo.py‎

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# -*- coding: utf-8 -*-
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"""
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@author:XuMing（[email protected])
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@description:
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"""
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"""PyAudio example: Record a few seconds of audio and save to a WAVE file."""
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import pyaudio
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import wave
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CHUNK = 1024
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FORMAT = pyaudio.paInt16
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CHANNELS = 2
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RATE = 44100
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RECORD_SECONDS = 5
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WAVE_OUTPUT_FILENAME = "output.wav"
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p = pyaudio.PyAudio()
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stream = p.open(format=FORMAT,
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channels=CHANNELS,
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rate=RATE,
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input=True,
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frames_per_buffer=CHUNK)
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print("* recording")
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frames = []
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for i in range(0, int(RATE / CHUNK * RECORD_SECONDS)):
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data = stream.read(CHUNK)
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frames.append(data)
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print("* done recording")
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stream.stop_stream()
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stream.close()
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p.terminate()
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wf = wave.open(WAVE_OUTPUT_FILENAME, 'wb')
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wf.setnchannels(CHANNELS)
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wf.setsampwidth(p.get_sample_size(FORMAT))
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wf.setframerate(RATE)
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wf.writeframes(b''.join(frames))
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wf.close()

‎requirements.txt‎

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@@ -7,4 +7,6 @@ scikit-learn
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pypinyin
88
tensorflow
99
click
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xlearn
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xlearn
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wave
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pyaudio

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