Tuesday, November 07, 2017
Wednesday, November 01, 2017
Linux Drive Series/C210
Auxiliary Commands
$ journalctl
$ systemctl
$ alsactl
$ lsof | grep pcm #still using
$ lsmod | grep snd #modules
$ sudo apt-get remove pulseaudio
$ sudo apt-get remove alsa
$ sudo apt-get install alsa
$ lspci
Audio device: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller
$ vi /etc/modprobe.d/alsa-base.conf #for verify
*When is right installed
$ cat /proc/asound/card0/codec* | grep Codec
Codec: Realtek ALC887
$ cat /proc/asound/cards
0 [Intel ]: HDA-Intel - HDA Intel
1 [NVidia ]: HDA-Intel - HDA NVidia
2 [U0x46d0x825 ]: USB-Audio - USB Device 0x46d:0x825
Upgrade
[*] https://wiki.ubuntu.com/Audio/UpgradingAlsa/DKMS
$ rm -r ~/.config/pulse;
$ pulseaudio -k
Note: try to select previous version on grub
References
[1] https://help.ubuntu.com/community/HdaIntelSoundHowto
[2] https://askubuntu.com/questions/508692/intel-corporation-7-series-c210-series-isnt-being-detected-by-any-module
$ journalctl
$ systemctl
$ alsactl
$ lsof | grep pcm #still using
$ lsmod | grep snd #modules
$ sudo apt-get remove pulseaudio
$ sudo apt-get remove alsa
$ sudo apt-get install alsa
$ lspci
Audio device: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller
$ lspci -v | grep Audio
$ sudo modprobe snd-hda-intel
modprobe: ERROR: ../libkmod/libkmod.c:586 kmod_search_moddep() could not open moddep file '/lib/modules/4.10.0-37-generic/modules.dep.bin'
modprobe: FATAL: Module snd-hda-intel not found in directory /lib/modules/4.10.0-37-generic
modprobe: ERROR: ../libkmod/libkmod.c:586 kmod_search_moddep() could not open moddep file '/lib/modules/4.10.0-37-generic/modules.dep.bin'
modprobe: FATAL: Module snd-hda-intel not found in directory /lib/modules/4.10.0-37-generic
$ vi /etc/modprobe.d/alsa-base.conf #for verify
*When is right installed
$ cat /proc/asound/card0/codec* | grep Codec
Codec: Realtek ALC887
$ cat /proc/asound/cards
0 [Intel ]: HDA-Intel - HDA Intel
1 [NVidia ]: HDA-Intel - HDA NVidia
2 [U0x46d0x825 ]: USB-Audio - USB Device 0x46d:0x825
Upgrade
[*] https://wiki.ubuntu.com/Audio/UpgradingAlsa/DKMS
$ rm -r ~/.config/pulse;
$ pulseaudio -k
Note: try to select previous version on grub
References
[1] https://help.ubuntu.com/community/HdaIntelSoundHowto
[2] https://askubuntu.com/questions/508692/intel-corporation-7-series-c210-series-isnt-being-detected-by-any-module
Tuesday, October 31, 2017
Lecture about SoundScape
Acoustic scenes, Acoustic events and Feature aggregation
D-CASE2013
Environment sound recognition using short-time feature aggregation
https://link.springer.com/article/10.1007/s10844-017-0481-4
Task of segmentation
Speech recognition
Musical information retrieval(MIR)
Environment sound
Survillance
Index of video content
Task of acoustic events classification
Statistic large set of features and K-NN
Feature agregation (Bag of feaures)
HMM/GMM(better for segementation and annotation for small scales)
Deep learning
Blind segmentation and SVM
Recurrence quantification analysis(RQA), RQA Features
Short Time Fourier Transform (STFT)
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