During the development process, recording and playback this piece encountered some problems, the main trouble is three: detect if there is a sound input device when there are multiple sound output devices, the specified sound output device detects the insertion and removal of headphones
The first problem is that for devices such as itouch and ipads that do not have microphones themselves, they need to be checked for headphones with a recording function, which is relatively easy for the iphone be
In the work, we sometimes deal with the logic of the headset keys, mainly divided into two categories, one is a short press, one is a long press.There are two ways to monitor the headset's key events:Method One: Register a key event to monitor media buttonImport Android.app.activity;import Android.app.progressdialog;import Android.content.broadcastreceiver;import Android.content.componentname;import Android.content.context;import Android.content.inten
Symptoms: Bo Master book Y50, before the switch off the machine, prompted Win10 to download the update and installation, after the boot found to plug the headset into the headphone hole after dead or alive to hear the sound (notebook with the sound of the audio). During the period when the headset has been suspected of a bad problem, check the headset on the phon
Last week, I sent an article asking for help.Article(Http://www.cnblogs.com/Sonne/archive/2007/07/23/828797.html). It seems that the problem has not been solved. Last night I finally found the problem and solved the stubborn problem.
The problem lies in the driver: in fact, my sound card driver has never been installed, but because I useWindows XPSystem, the built-in "driver" of the system can make the sound. before using the headset, I na
Some time ago, Ubuntu installed some updates, the front headset has been no sound, with a lot of ways, also can not solve! Try again today, finally solved, very fortunate, now share! First, in the terminal to run sudo alsamixer, press the M key to turn off all open (the display is mm), and then adjust to the appropriate position, white is advisable! The last item, Independ, shows that the headset and speake
1, the first confirmation of the computer Bluetooth is in the open state, Bluetooth lights Show normal, and open the Bluetooth headset switch;
2, then click on the computer on the lower right corner of the Bluetooth icon, select the "Add Device" option;
3, select the Bluetooth headset to add, the system will be prompted to connect with the Bluetooth adapter, waiting for a prompt to add success;
4, then c
The iphone's headset is called Earpod, and the sound is good. However, a lot of users have found that the iphone headset computer can not be used, plugged into the computer after either the sound is paste, or listen to the song when simply accompaniment, the human voice is very small. Why can't an iphone headset work on a computer?
It's not because your
Tags: Laptop Bluetooth headset
Connect the Bluetooth headset to the laptop think e0000c
Wired headsets are inconvenient to use. Currently, Bluetooth headsets are widely used. How can I use Bluetooth headsets to connect to my computer? Many laptops now have their own Bluetooth functions. If not, you need to buy a Bluetooth adapter.
If the bluetooth device is disabled, enable the device first.
Right-click My
Bluetooth headset function, that isBluetoothHeadset/headfree profile,Implementation is more complicated than imagined. Earlier Bluetooth specifications only defined the profile of headset,The implementation principle of headset is to extend an interface on the HCI Layer to transmit SCO connection-oriented synchronized audio data packets. The audio stream must be
mac headset Kong Liang a red light solution. Many users who use Macs have encountered a problem with the Kong Liang of the Mac headset, with the built-in speaker malfunctioning. What's the reason for that Mac headset Kong Liang red light? The following small series will give you the Mac headset Kong Liang red light, wh
when using the Win7 system, the headset is connected to the computer but no sound is found. Therefore, this article on the Win7 system headset has no sound problem to tell the solution of the commonly used methods, so as to gradually eliminate the fault.
First, the elimination of headphones fault, there are two ways
1, the headset in other devices (other com
Users of the Mac believe that many have encountered the internal failure of the speaker, do not know that there is no careful user will find a Mac with the horn failure and the headphone hole will light up the red light, as shown in the following picture, that Mac headset Kong Liang red light is what reason? The following PC6 small make up to bring everyone mac headset Kong Liang red light , while the speak
We know that most mobile phones are Bluetooth-enabled, and some laptops also come with Bluetooth, but how do you operate a Bluetooth headset with your laptop? I believe many people see the instructions or confused, today's small series for everyone to bring Qcy bluetooth headset connected laptop computer related procedures, Hope to solve your daily use problems.
1, the first thing to confirm is whether the
Test equipment:
T510 Win7 Pro; Nokia BH-215 bluetooth Headset
First confirm the computer Bluetooth on, the Bluetooth light is normal, and turn on the bluetooth headset switch.
Operation Steps:
Click on the Bluetooth icon in the lower right corner of the system and select "Add Device" as shown:
Select the Bluetooth headset you want to add, as shown in figur
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
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