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Results tagged with audio
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user 23080
Audio, or in terms of signal processing, an audio signal is an analog or digital representation of sound, typically as an electrical voltage.
8
votes
2
answers
2k
views
Non-negative matrix factorization for audio separation - why does it work?
Applied to audio source separation, $\mathbf V$ is the spectrogram (which is known to us), and $\mathbf W$ is the basis non-negative spectra, $\mathbf H$ is their temporal activations. …
- 319
1
vote
1
answer
1k
views
Audio localization accuracy with two microphones
I am attempting to find the location of sound using two microphones, using cross-correlation methods. I am not getting very consistent and accurate results, there are instances where there seem to be …
- 319
1
vote
2
answers
1k
views
Understanding the constraint on distance between microphones in microphone array for Directi...
The distance between microphones in a two-microphone array for direction of arrival estimation, should be at least less than half of the wavelength of the signal that is being detected by the micropho …
- 319
1
vote
1
answer
803
views
Is there any relation between mono/stereo recording and the peak frequency of sound detected?
p.get_device_info_by_host_api_device_index(0,i).get('name')
deviceNum = i
devinfo = p.get_device_info_by_index(deviceNum)
print "Selected device is ",devinfo.get('name')
# List of available audio … p.get_device_info_by_host_api_device_index(0,i).get('name')
deviceNum = i
devinfo = p.get_device_info_by_index(deviceNum)
print "Selected device is ",devinfo.get('name')
# List of available audio …
- 319