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update plot script to work on macos and linux

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also add note for installing pip module
This commit is contained in:
hathach 2021-04-15 12:08:50 +07:00
parent 8d9f60ca5e
commit ad11481dd1
4 changed files with 44 additions and 11 deletions
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8
examples/device/audio_4_channel_mic/src/main.c
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@ -23,6 +23,14 @@
*
*/
/* plot_audio_samples.py requires following modules:
* $ sudo apt install libportaudio
* $ pip3 install sounddevice matplotlib
*
* Then run
* $ python3 plot_audio_samples.py
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>

20
examples/device/audio_4_channel_mic/src/plot_audio_samples.py
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@ -1,16 +1,24 @@
import sounddevice as sd
import matplotlib.pyplot as plt
import numpy as np
import platform
if __name__ == '__main__':
# Currently tested for Windows - on Linux try to find the device or use default device if not clearly listed
# devList = sd.query_devices()
# print(devList)
# If you got "ValueError: No input device matching", that is because your PC name example device
# differently from tested list below. Uncomment the next line to see full list and try to pick correct one
# print(sd.query_devices())
fs = 48000 # Sample rate
duration = 100e-3 # Duration of recording
device = 'Microphone (MicNode_4_Ch), Windows WDM-KS' # WDM-KS is needed since there are more than one MicNode device APIs (at least in Windows)
fs = 48000 # Sample rate
duration = 100e-3 # Duration of recording
if platform.system() == 'Windows':
# WDM-KS is needed since there are more than one MicNode device APIs (at least in Windows)
device = 'Microphone (MicNode_4_Ch), Windows WDM-KS'
elif platform.system() == 'Darwin':
device = 'MicNode_4_Ch'
else:
device ='default'
myrecording = sd.rec(int(duration * fs), samplerate=fs, channels=4, dtype='int16', device=device)
print('Waiting...')

8
examples/device/audio_test/src/main.c
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@ -23,6 +23,14 @@
*
*/
/* plot_audio_samples.py requires following modules:
* $ sudo apt install libportaudio
* $ pip3 install sounddevice matplotlib
*
* Then run
* $ python3 plot_audio_samples.py
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>

19
examples/device/audio_test/src/plot_audio_samples.py
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@ -1,15 +1,24 @@
import sounddevice as sd
import matplotlib.pyplot as plt
import numpy as np
import platform
if __name__ == '__main__':
# devList = sd.query_devices()
# print(devList)
# If you got "ValueError: No input device matching", that is because your PC name example device
# differently from tested list below. Uncomment the next line to see full list and try to pick correct one
# print(sd.query_devices())
fs = 48000 # Sample rate
duration = 100e-3 # Duration of recording
device = 'Microphone (MicNode) MME' # MME is needed since there are more than one MicNode device APIs (at least in Windows)
fs = 48000 # Sample rate
duration = 100e-3 # Duration of recording
if platform.system() == 'Windows':
# MME is needed since there are more than one MicNode device APIs (at least in Windows)
device = 'Microphone (MicNode) MME'
elif platform.system() == 'Darwin':
device = 'MicNode'
else:
device ='default'
myrecording = sd.rec(int(duration * fs), samplerate=fs, channels=1, dtype='int16', device=device)
print('Waiting...')