pc internal speaker

must be used to call the program in the script, because no user environment exists by default when running in cron, that is, no PATH, generally, a program error cannot be found. Install beep before using it: Sudo apt-get install beep, but even so, there is still no sound in Ubuntu 12.04. You can check the settings with xset: Xset-q | grep bell. Of course, if this is not enabled, you can open it: Xset B on, but still no sound. I thought that the driver might not have been installed for a long ti

A. Buy a Bluetooth adapter and plug it into your computer.Two. Locate the Bluetooth icon in the lower right corner of the toolbarThree. Right-click the icon and select ' Show Bluetooth device 'Four. Find Xiaomi Bluetooth speaker ' NDZ-030-AA 'Five. Double-click to open it, then select the ' Services ' tab, check all the options, then click OK, the computer will automatically install the driverSix. Locate the horn icon in the lower right corner, right-

With the improvement of computer multimedia technology, sound card, multimedia speaker technology, we have to enjoy high fidelity through the computer's sound is not difficult. As a basic index of high fidelity sound, signal-to-noise ratio (SNR) is also improved in multimedia audio system. But we in order to improve the sound card, speaker signal-to-noise ratio, but forgot to reduce the noise inside the com

here is the current South Bridge(South Bridge)ChipAnd it actually played the role of downgrading. Frequency Doubling Open from 80486Beginning, the CPU is developing rapidly, and the frequency is increasing significantly. Memory began to keep up with the pace of CPU development. Intel decided to introduce frequency doubling (clock) in 80486.Doubler. The memory still works on the system bus and maintains the same operating frequency as the system bus. The CPU

The VS2013 has a built-in iisexpress. When you do Web project development with ASP. Ctrl+f5 and F5 start the project run (the latter is debug mode) while the iisexpress is turned on, in fact this is the built-in server for the Web project. By default, the Web project that the server runs does not support access to other machines within the LAN. In order to do this:1. Turn off the firewall.2. Modify the ApplicationHost.config file in the C:\Users\Administrator\Documents\IISExpress\config director