Update: coherence picture

This commit is contained in:
Peter.Yang 2018-03-12 10:05:37 +00:00
parent 829ae64abe
commit d6744a76d2

View file

@ -224,7 +224,7 @@ capturing must be start first, or else the capturing channels will miss order.**
### Coherence
Estimate the magnitude squared coherence using Welchs method.
![4-mics-linear-array-kit coherence](https://user-images.githubusercontent.com/3901856/37268469-2869dd34-2601-11e8-9a4e-a831b3af82fe.png)
![4-mics-linear-array-kit coherence](https://user-images.githubusercontent.com/3901856/37277486-beb1dd96-261f-11e8-898b-84405bfc7cea.png)
Note: 'CO 1-2' means the coherence between channel 1 and channel 2.
```bash
@ -232,8 +232,8 @@ Note: 'CO 1-2' means the coherence between channel 1 and channel 2.
sudo apt install python-numpy python-scipy python-matplotlib
python tools/coherence.py a.wav
Requirement of the input audio file:
- formt: WAV(Microsoft) signed 16-bit PCM
# Requirement of the input audio file:
- format: WAV(Microsoft) signed 16-bit PCM
- channels: >=2
```