Note: The purpose of this article is mainly for the laptop headphone jack No response problem, that is, the headset inserted but the computer sound still through the speaker.
First, open the Control Panel, the sound to see if the local sound card driver is Conexant Smartaudio HD series, if you continue to look down;
Second, in the headset itself is not defective, sound card driver normal and not mute, if
The concept of Bluetooth headset
Bluetooth headset is the application of Bluetooth technology in the headset, so that users can be exempted from annoying wire, easy to talk in a variety of ways. Since the advent of Bluetooth headset, has been the action of business people to improve the efficiency of a good tool. Bl
When you do a smart headset, you often need to test different sample rates for sound signals on windows. Recently, however, in the case of 16k dual-channel input,Regardless of the system's use of the headset for playback, the problem has been thinking for a long time, there is no solution.Today, inadvertently using the sound problem solving function in the lower right corner of the windwos, I really found a
AndroidIn fact, the code of the headset detection is rarely changed.
This is because there are few documents.
It took nearly two months.
The driver has three implementation versions:
First, drivers/Char/micco_hsdetect.cIt reports the status to the user space through kobject_uevent.
Second: Drivers/input/keyboard/micco_keys.cIt reports events to the user space through input_report_switch.
Third: Drivers/switch/switch_micco.cRegistered a switch_dev, whi
Headset resurrection (Entire Process)
Of course there should be a pair of ear plugs for children who like to listen to songs, so that they can truly enjoy wonderful music. But the ear plug is quite bad. Maybe only one ear is ringing in a day, but the lead of a pinch and a motion plug will occasionally ring, as a matter of fact, you may be able to get together with your ears )...... But the two ears are not ringing. The earplugs of about 10 yuan should
How to set the wince simulation simulator (Network, serial port, and headset)
Recently, I used wince to build a project, but there was only one development board for the school lab. Another senior engineer also needed it. So I tried to use the wince simulation simulator to test the program. So how to set the wince simulator? Here, XiXi will share it with you!
Before that, do you want to use a simulator to access the Internet? First install Virtual PC
Android automatically exits the FM Radio application when the flight mode is enabled and the headset is pulled out.
The FM radio needs to be inserted into the headset as an antenna, and automatically exits when the headset is pulled out.
1. First add the prompt string
Mediatek/packages/apps/FMRadio/res/values/strings. xml
The FM will close because you hav
Win8 is a new company launched by Microsoft not long system, everyone in the use of the system occurs when there are some problems, always do not know how to solve. For example, what we are going to say today: Win system in the headset can not hear the sound of the problem, you will often encounter. What a dreary and painful thing it is for the friends who love music! Then how should we solve the problem, we will follow the small series together to se
Many friends will encounter the computer suddenly did not sound or reload the system after everything else is normal, is the stereo or headphones no sound problem. I'll explain in detail the various reasons why the computer doesn't sound, and in the later part of the article, I'll explain the microphone's sound problem. Through the following detailed analysis, I believe that you can let you know that your computer is not a sound is going on, in the end what is the reason.
There's no sound on th
One, the specific setting method is as follows:
1. Open "Computer Settings", select the computer and equipment, confirm that the following Bluetooth device is turned on, the general right side is open, the following figure:
2. Make sure that the computer Bluetooth device is normal and open, the Bluetooth headset on the computer next, the computer will automatically search and paired, the recommendation of a detailed referen
From: http://embed.chinaitlab.com/J2ME/877029.html
Recently, I was working on a Marvell project and encountered a hot plug-in problem. So I took a look at the relevant code. I would like to make a contribution here.
Here we take the PXA code as an example. The entire framework is simple and clear. The upper layers are headsetobserver. Java and hookswitchobserver. java,
They will directly read the state of a specific device in/sys/class/switch/, such as "/sys/class/switch/h2w/state" to obtain the
Headset Contact Bad clean headphone hole step
Clean headphone Holes
Step one: Use cotton stick to drink alcohol, squeeze clean, not too wet, put the cotton stick into the headphone hole to turn and pull out, repeated several times. Be careful not to break the cotton sticks too hard.
Step two: or with a hair dryer, on the headphone mouth away from the far point of blowing
Step three: After cleaning, plug in the
First, the Bluetooth headset open.
1. Slide up the Bluetooth headset to open the key (that is, turn on the bluetooth headset switch).
2. Open the Bluetooth headset visible mode (long hold down the listening key for about 3-5 seconds, the LED turned blue and always let go when light, you can open the visible
After work, I went to Pacific digital to buy a new headset. After I got home, I inserted it. A friend was on QQ and found that I could hear the other party's voice, but the other party could not hear me! The headset is definitely good. I double-click the small horn in the lower right corner and find that the "balance" of the microphone is gray. Open the "advanced" below, good guy! The adjustment button in "
How does win10 enable simultaneous sound and headset sound ?, Win10 audio
In the newly installed win10, the sound output from the back is audible, but there is no sound output from the front earphone. I made a step for learning.
To get the sound, you must first find the control panel. If you are not familiar with it, you really don't know where the win10 control panel is. Check: Right-click the blank area on the desktop and choose personalization.
By default, the short press headset key is used to pause/play music. You can press the headset key to pause/play FM as follows:
Please delete your media button code, modify as below:
1. AndroidMenifest. xml:
2. FMRadioActivity. java code:
Public interface MediaButtonListener {
Void onMediaButtonCall (Intent intent );
}
Private MediaButtonListener mMediaButtonListener = new MediaButtonListener (){
The specific methods are as follows:
1, turn on the computer Bluetooth, paired Bluetooth equipment;
2, after the success of matching in the equipment can be found. However, the pairing process may indicate that the peripheral device installation is unsuccessful;
3, at this time we will install Atheros Bluetooth device driver;
4, the installation of Atheros Bluetooth device driver is very simple, a bit of computer basics are no problem. Always the next smart installation
, mainly speaking of the third, I will be the above "iOS headset wire control" This article in the code written in the
Appdelegate method, but does not execute the Remotecontrolreceivedwithevent method (Note: This method only can be triggered by the middle of headphones), and finally added a section of audio playback code, namely:
NSString *string = [[NSBundle mainbundle] pathforresource:@ "test" oftype:@ "MP3"];
Convert audio files to URL format
Nsur
(@ "Click, then press not to put, loosen when: 109");
}break;
Default
Break
}
}
}
Add the above code to get the headset line control of each click event, tick the taxi before the version of a headset grab a single function, is so realized
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Capture Headphone Plug event in iOS development
void Audior
Give your illustrator software users a detailed interpretation of the tutorial on how to draw an ipod headset.
Tutorial Sharing:
Fill the objects up with gradient.
Make a line with the Pen Tool.
Duplicate the line but make the color lighter and use a smaller stroke.
Go to Object > Blend > Make. Put the cable under the earbud.
Well, the above information is small compiled to you illustrator
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