2015年4月14日 星期二
2015年4月9日 星期四
Change the Audio Output on Raspberry Pi
1. Install related package
# sudo apt-get install alsa-utils
2. Modify the audio path on Raspberry Pi
# sudo amixer cset numid=3 X
Where X is as following:
0 = Auto
1 = 3.5 mm Audio Jack
2 = HDMI
numid=1,iface=MIXER,name='Master Playback Volume'
numid=2,iface=MIXER,name='Master Playback ZC Switch'
numid=3,iface=MIXER,name='Capture Volume'
numid=4,iface=MIXER,name='Capture Switch'numid=5,iface=MIXER,name='Mic Boost (+20dB)'numid=6,iface=MIXER,name='Mic Boost2 (+20dB)'numid=7,iface=MIXER,name='Mic Switch'
numid=8,iface=MIXER,name='Sidetone Playback Volume'numid=9,iface=MIXER,name='ADC High Pass Filter Switch'
numid=10,iface=MIXER,name='Store DC Offset Switch'numid=11,iface=MIXER,name='Capture Source'numid=12,iface=MIXER,name='Playback De-emphasis'numid=13,iface=MIXER,name='Input Mux'numid=16,iface=MIXER,name='Output Mixer HiFi Playback Switch'numid=14,iface=MIXER,name='Output Mixer Line Bypass Switch'numid=15,iface=MIXER,name='Output Mixer Mic Sidetone Switch'
How to setup a VNC Server in Raspberry Pi ?
1. Install x11vnc package
# sudo apt-get install x11vnc
2. Setup your password
# x11vnc –savepasswd
3. Establish a VNC connection with 1920x1080 resolution and background execution
# x11vnc –geometry 1920x1080 –bg
4. Disconnect all of the VNC connections
# x11vnc –R stop
5. Change the the default resolution of Raspberry Pi
# vim /boot/config.txt
uncomment the ‘#’ tag in front of the following string
hdmi_force_hotplug=1
hdmi_group=2
hdmi_mode=68
hdmi_mode=1 640x350 85 Hz hdmi_mode=2 640x400 85 Hz hdmi_mode=3 720x400 85 Hz hdmi_mode=4 640x480 60 Hz hdmi_mode=5 640x480 72 Hz hdmi_mode=6 640x480 75 Hz hdmi_mode=7 640x480 85 Hz hdmi_mode=8 800x600 56 Hz hdmi_mode=9 800x600 60 Hz hdmi_mode=10 800x600 72 Hz hdmi_mode=11 800x600 75 Hz hdmi_mode=12 800x600 85 Hz hdmi_mode=13 800x600 120 Hz hdmi_mode=14 848x480 60 Hz hdmi_mode=15 1024x768 43 Hz DO NOT USE hdmi_mode=16 1024x768 60 Hz hdmi_mode=17 1024x768 70 Hz hdmi_mode=18 1024x768 75 Hz hdmi_mode=19 1024x768 85 Hz hdmi_mode=20 1024x768 120 Hz hdmi_mode=21 1152x864 75 Hz hdmi_mode=22 1280x768 Reduced blanking hdmi_mode=23 1280x768 60 Hz hdmi_mode=24 1280x768 75 Hz hdmi_mode=25 1280x768 85 Hz hdmi_mode=26 1280x768 120 Hz Reduced blanking hdmi_mode=27 1280x800 Reduced blanking hdmi_mode=28 1280x800 60 Hz hdmi_mode=29 1280x800 75 Hz hdmi_mode=30 1280x800 85 Hz hdmi_mode=31 1280x800 120 Hz Reduced blanking hdmi_mode=32 1280x960 60 Hz hdmi_mode=33 1280x960 85 Hz hdmi_mode=34 1280x960 120 Hz Reduced blanking hdmi_mode=35 1280x1024 60 Hz hdmi_mode=36 1280x1024 75 Hz hdmi_mode=37 1280x1024 85 Hz hdmi_mode=38 1280x1024 120 Hz Reduced blanking hdmi_mode=39 1360x768 60 Hz hdmi_mode=40 1360x768 120 Hz Reduced blanking hdmi_mode=41 1400x1050 Reduced blanking hdmi_mode=42 1400x1050 60 Hz hdmi_mode=43 1400x1050 75 Hz hdmi_mode=44 1400x1050 85 Hz hdmi_mode=45 1400x1050 120 Hz Reduced blanking hdmi_mode=46 1440x900 Reduced blanking hdmi_mode=47 1440x900 60 Hz hdmi_mode=48 1440x900 75 Hz hdmi_mode=49 1440x900 85 Hz hdmi_mode=50 1440x900 120 Hz Reduced blanking hdmi_mode=51 1600x1200 60 Hz hdmi_mode=52 1600x1200 65 Hz hdmi_mode=53 1600x1200 70 Hz hdmi_mode=54 1600x1200 75 Hz hdmi_mode=55 1600x1200 85 Hz hdmi_mode=56 1600x1200 120 Hz Reduced blanking hdmi_mode=57 1680x1050 Reduced blanking hdmi_mode=58 1680x1050 60 Hz hdmi_mode=59 1680x1050 75 Hz hdmi_mode=60 1680x1050 85 Hz hdmi_mode=61 1680x1050 120 Hz Reduced blanking hdmi_mode=62 1792x1344 60 Hz hdmi_mode=63 1792x1344 75 Hz hdmi_mode=64 1792x1344 120 Hz Reduced blanking hdmi_mode=65 1856x1392 60 Hz hdmi_mode=66 1856x1392 75 Hz hdmi_mode=67 1856x1392 120 Hz Reduced blanking hdmi_mode=68 1920x1200 Reduced blanking hdmi_mode=69 1920x1200 60 Hz hdmi_mode=70 1920x1200 75 Hz hdmi_mode=71 1920x1200 85 Hz hdmi_mode=72 1920x1200 120 Hz Reduced blanking hdmi_mode=73 1920x1440 60 Hz hdmi_mode=74 1920x1440 75 Hz hdmi_mode=75 1920x1440 120 Hz Reduced blanking hdmi_mode=76 2560x1600 Reduced blanking hdmi_mode=77 2560x1600 60 Hz hdmi_mode=78 2560x1600 75 Hz hdmi_mode=79 2560x1600 85 Hz hdmi_mode=80 2560x1600 120 Hz Reduced blanking hdmi_mode=81 1366x768 60 Hz hdmi_mode=82 1080p 60 Hz hdmi_mode=83 1600x900 Reduced blanking hdmi_mode=84 2048x1152 Reduced blanking hdmi_mode=85 720p 60 Hz hdmi_mode=86 1366x768 Reduced blanking
6. Install VNC client and connect to Raspberry Pi
YourSVNServerIP:5900
Thank you.
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