", and "Tone Control-center ".
3D controlsNaming rules for 3D controls: "3D control-switch", "3D control-center", and "3D control-space ".
Mic boostThe microphone volume enhancement control is named "mic boost" or "mic boost (6db )".
Access flags)
The access field is a bitmask that saves the access type changed to control. The default access type is snddrv_ct
SSH/SCP is a very common command, found that for some hosts, SSH to establish a very slow connection speed, the connection was established after the operation is very normal speed.
Use Ssh-v to view the detailed connection establishment process:
Debug1:authentications that can Continue:publickey,gssapi-with-mic,passwordDebug1:next Authentication Method:gssapi-with-micDebug1:unspecified GSS failure. Minor code may provide more informationNo Credentia
http://blog.csdn.net/doiido/article/details/43793391 centos/linux fix ssh connection slow tag: linuxssh remote connection ssh slow 2015-02-13 13:24 1230 people read reviews (0) Collection Report Category: Linux applications (16) Copyright notice: This article is the original article for Bo Master, not allowed to reprint without the Bo master. Connecting to a Linux server is now generally a way to connect remotely using SSH. Recently installed a server, found that Telnet is very fast, ping everyt
Tags: XML sdn switch ext NSS source domain name parsing com modeConnecting to a Linux server is now generally a way to connect remotely using SSH. Recently installed a server, found that Telnet is very fast, ping everything is normal, but SSH connection is very slow. After the online information query, there are a few reasons:1, the server sshd will go to DNS to find the hostname of the client IP access, if the DNS is not available or no related records, it will consume a period of time.2, in au
facing Objects1. Encapsulation#What is the encapsulation in Python? #use the construction method to encapsulate the content into an object, and then indirectly obtain the encapsulated content through the object directly or self; classOop (object):def __init__(self): Self.name=name Self.age= Agedefget_attrs (self):Print(Self.name)Print(self.age) obj= Oop ('Mic', 18) #Direct Access Print(Obj.name, Obj.age)#Indirect AcquisitionObj.get_attrs (
1. Private Properties#double underline before attribute #to protect property security #a private property cannot be called directly through an object, and a calling method needs to be added to invoke it; classpeople (object):def __init__(self): self.__name='Mic' defget_private_attr (Self, new_name): Self.__name=new_namePrint(self.)__name) #Creating Objectsp =people ()#Get priva
based on the x86 system and cannot be used in the embedded platform.
3. Make install
lib and util installed to embedded platform
On the target board, the following files must be copied to the corresponding location:
1 Lib library file, placed in the/lib/
2 conf file, should be placed in/usr/local/share, the same as the directory specified at compile time
3 application file, util can produce Aplay,amixer,arecord executable program, these files can be placed in/usr/sbin
4 must be guaranteed to h
SND directory.
Run the test program
On our current board there are 4 audio links, respectively: MIC, line in, line out, headphone out. All 4 links need to be tested.
For the play link (line out, headphone out), the corresponding playback command is:
Aplay Mysound.wav
For recording links (Mic, line in), the corresponding recording command is:
Arecord Myvoice.wav–fdat–d 5
Where-fdat specifies to record th
LANG.EXE installation can. Then install the "feature driver" in the motherboard CD, and you'll be able to experience HD audio.
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Little knowledge: What is HD Audio?
The full name of HD Audio is the high definition Audio (Hi-fidelity audio). Inte is a new generation of audio standards, with features such as device sensing technology, and so on. The specific introduction can browse the author's Cfan (http://blog.cfan.com.cn/html/57/353557_itemid_99290.html).
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Let the chassis front interface
Microsoft released the Silverlight 4 beta on PDC2009, and Microsoft processed about 8,000 Silverlight end-user requests in the Silverlight 4 release, adding a new set of features that were exciting for developers, most notably in several ways:
Development Tools Enhancements: Visual Studio 2010 has a visual design tool that allows you to choose whether the runtime version is 3.0 or 4.0,blend4 to add XAML and C # code to the full range of IntelliSense features, XAML style apps are easier to use, a
the storage medium, all of which constitute the production of digital audioThe health process.Two important indicators of PCM signal are sampling frequency and quantization accuracy, currently, CD audio sampling frequency is usually 44100Hz, quantization accuracy is16bit. In general, when playing music, the application reads audio data from the storage media (MP3, WMA, AAC ...). ), after decoding, the finalThe PCM data is sent to the audio driver, and in turn, the audio driver continuously send
following general debugging steps 7. General Commissioning Steps I failed in the configuration, follow the above steps are still prompted to enter a password. Then use SSH-V display detailed login information to find the reason: $ ssh-v localhost The Enter shows the detailed login information as follows: 。。。。。。 OmittedDebug1:authentications that can Continue:publickey,gssapi-with-mic,passwordDebug1:next Authentication Method:gssapi-with-
' IEC958 ', 2scared, no configuration, no wonder I can't find "Master"a little skeptical that maybe the default sound card is incorrect,again amixerjun% amixer-c 1 scontrolssimple mixer control ' Master ', 0Simple mixer control ' headphone ', 0Simple mixer control ' Speaker ', 0Simple mixer control ' PCM ', 0Simple mixer control ' mic ', 0Simple mixer control ' mic Boost ', 0Simple mixer control ' IEC958 '
interesting is the HD Audio has a very user-friendly design, HD Audio support device awareness and interface definition function, that is, all input and output interface, can automatically induction device access and give hints, and the function of each interface can be set at will. This feature not only allows you to determine which ports have device inserts, but also to define functionality for the interface. For example, the user will be the mic i
Connecting to a Linux server is now generally a way to connect remotely using SSH. Recently installed a server, found that Telnet is very fast, ping everything is normal, but SSH connection is very slow. After the online information query, there are a few reasons:1, the server sshd will go to DNS to find the hostname of the client IP access, if the DNS is not available or no related records, it will consume a period of time.2, in authentication gssapi-with-m
Pscp-i KEY.PPK t.txt Server_ip:/usr/readme
Server refused our keyFatal:Disconnected:No Supported authentication methods available (server Sent:publickey,gssapi-keyex,gssapi-with-mic )
Pscp-v-I key.ppk t.txt Server_ip:/usr/readmeGuessing user name:pcConnecting to Server_ip Port 22We claim version:ssh-2.0-putty_release_0.70Server version:ssh-2.0-openssh_6.6.1We believe remote version has SSH-2 channel request bugUsing SSH Protocol version 2Doing ECDH k
Previously, when setting the background of an MDI form, the following code was used to implement: (set IsMdiContainer to False)To create an MDI container manuallyMdiclient mic = new Mdiclient ();Mic. Dock = DockStyle.Fill;Mic. BackgroundImage = Image.FromFile ("Bg.bmp");Today I stumbled across a simpler approach:Set the backgroundimage of the form to the backgrou
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