delta sound card

1. Sound card driver Sound.c (1) The entry function registers the file_operations structure with the Register_chrdev () function. (2) File_operations structure, there is only open function, there is no read and write function, we can see that the open function is the function of the transfer, will definitely find a new file_operations structure (3) Call procedure Save the secondary device number of the i

Solution (ACL269 Sound Card): Upgrade alsa to version 1.0.23. Note: (1) Compile alsa dependent package: ncurses-devgettextxmltolibasound2-devlinux-headerslibncursesw5-dev (2) package to be compiled: alsa-driver-1.0.23alsa-lib-1.0. Solution for disworking headphones in Ubuntu 10.04 (ACL269 sound card) Purpose: Upgrad

When the notebook computer is in use, the sound card suddenly appears the problem, does not work properly. This can be done by trying the following: 1. Check the volume of the computer, set the adjusted volume is normal, there is no volume set to mute. 2. Check the sound card driver installation is normal, whether it

firstThe main device that provides BCLK and Lrck clocks.1, in the left alignment mode, the MSB can be in the bclk of the first rising edge of the following LRCLK transition.2. In right-justified mode, the LSB can transition before the last rising edge of the BCLK LRCLK.3. In i2s mode, the MSB can transition from the second rising edge of the BCLK following the lrclk of a transition.4, some sound cards also support the DSP format, the format is not pa

1. First download the latest version of "drive life" and then enable it. Then, scan the driver life. The driver will be scanned, and the driver will be uninstalled on the right, after uninstallation, click "Restart Now.2. After the computer is restarted, the sound card driver is automatically installed on the computer as follows.Automatic computer may not be good. We can use the "drive L

Nowadays, most human installation systems usually directly install SP3 (if you want to use XP ). However, if your computer has a high definition audio device, you need to install the high definition audio (hda) device. Then, you need to install Microsoft's universal audio architecture (uaa) patch at least, in Windows XP SP1, we usually need to install kb835221, while in Windows XP SP2, we need kb888111 patch. However, Microsoft has not released a uaa patch under SP3, which brings great difficult

From: http://doc.chinaunix.net/linux/200310/216273.shtml Publisher: chinaitlab Date: 00:00:00 views: 0 (total _ Comments) view comments | I want to comment Through the unremitting efforts of Xiaodi, he finally mastered sound card programming and realized a small recording.　　Program, // hehe // admire　　Of course it is still not perfect. I still have some details that I don't know very well. // shy. I will p

　　 If the user has a problem upgrading to WIN10 preview 10166 and has updated the sound card driver, you can use the following steps to tell Microsoft that the company will be using these feedback to solve the problem for the appropriate sound card manufacturer: 1, search the Cortana search bar DxDiag.exe (Direct

To hook up a real-world sound card in a Win7 Hyper-V virtual machine Recently in the Test Lync Voice function, the environment has been built in the virtual machine, but the Hyper-V does not support the sound card, has not been tested successfully, after a few attempts to finally succeed, details are as follows: 1. T

Updating the sound card driver is a common computer operation, but a lot of friends in the update of the sound card when encountered some problems, and the higher the rate is about the problem of reloading the sound card, the foll

# Apt-get Install Linux-sound-base # Apt-get Install Lsof Download Alsa-base.deb installed separately. Use Apt-get to install two additional packages: APMD, Alsa-oss. # aptitude Download Alsa-base # dpkg-i Alsa_base_1.0.17.dfsg-4_all.deb # Apt-get Install Alsa-utils # Apt-get Install Gnome-alsamixer # reboot # alsaconf The alsaconf was canceled in the squeeze. In later versions of Squeeze, alsaconf is no longer included in the Alsa-utils pack

New users do not know how to install the sound card driver, Hope High hand to give instructions-general Linux technology-Linux technology and application information, the following is to read details. Liwei @ liwei-laptop :~ $ Aplay-l * *** PLAYBACK Hardware Device List **** Card 0: IXP [ati ixp], device 0: ati ixp AC97 [ati ixp AC97] Subset: 1/1 Sub-device:

activities effective time for the year ended August 31, there are a few days. Active Operation procedure 1. First we receive the participating activities by scanning the following two-dimensional code via micro-letters: 2. After entering the activity page, we verify the mobile phone number after registering the real name participation activity 3. Next, we need to download the app phone client and install the safe and sound