delta sound card

Realtek sound card installation can be installed through the HD Audio controller to adjust some of the functions, but improper adjustment may cause mic noise, affect the microphone's voice effect. The adjustment scheme in this article is mainly for notebook models with built-in microphones in the standard, taking IdeaPad Y470 as an example. 　　Please note: before adjusting, please make sure your computer ha

One, the most common sound card problems, the following analysis of the cause of the sound. 1, the IDE set the problem Some friends will encounter a DVD in the optical drive, will find that sound is more serious, and the file copied to the hard disk playback, there is no beep, then the CD-ROM may be out of PIO mode,

: "Computer startup without sound, reload sound card driver and operating system is not good." Trouble shooting: Turn on the computer, can smoothly into the WinXP, but there is no sound. The lower right corner of the desktop taskbar also does not have a small horn icon, in the "My Computer" on the right button, into t

Article Title: solves the problem of IntelHDAudioController sound card. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. Currently, the sound card of the bottom-end laptop Based on I

AC97 Sound Card Driver Installation 97 sound cards are quite common, but there are not many friends who really know the types of AC97 sound cards and the correct Driver Installation. This article will be able to correctly understand the c

systems. Ii. ALSA device file structure Let's start our ALSA journey from the device file structure of ALSA in Linux. Let's take a look at the structure of the device file of the Alsa driver in my computer: $ CD/dev/SND$ LS-l CrW-RW ---- + 1 root audio 116, 8 controlc0CrW-RW ---- + 1 root audio 116, 4 midic0d0CrW-RW ---- + 1 root audio 116, 7 pcmc0d0cCrW-RW ---- + 1 root audio 116, 6 pcmc0d0pCrW-RW ---- + 1 root audio 116, 5 pcmc0d1pCrW-RW ---- + 1 root audio 116, 3 seqCrW-RW ---- + 1 root

devices. This series of blog posts only discuss ALSA-driver and ALSA-SOC in embedded systems. Ii. ALSA device file structure Let's start our ALSA journey from the device file structure of ALSA in Linux. Let's take a look at the structure of the device file of the Alsa driver in my computer: $ CD/dev/SND$ LS-l CrW-RW ---- + 1 root audio 116, 8 controlc0CrW-RW ---- + 1 root audio 116, 4 midic0d0CrW-RW ---- + 1 root audio 116, 7 pcmc0d0cCrW-RW ---- + 1 root audio 116, 6 pcmc0d0pCrW-RW ---- + 1

Please note: Before adjusting, please make sure your computer has a built-in microphone, the sound card driver is properly installed, and please temporarily turn off QQ or other software that needs to call the microphone before adjusting. The sound card driver name is Realtek high Defenation Audio Can be seen in the

(1) sound card's own anti-interference ability is poor. Some of the sound card because of the work and the material is relatively poor, so susceptible to other equipment electromagnetic interference, which is the quality of the sound card, ordinary users can do is to make th

How to Set Realtek HD sound card in VISTA/WIN7, hdwin7 Now more and more people are using VISTA and win7 systems, and most of them are Realtek HD sound cards. The setup problems are quite different from those of Windows XP systems, next I will introduce some experiences in setting a sound

, this part by machine itself platform drive and platform equipment (please distinguish with the above platform Drive), platform DriveThe kernel has been completed, so there is no need to care too much about how to alsa with the top of the problem, we only need to register a machine platformEquipment and complete platform and codec coupling.1. ALSA Equipment File StructureControlC0 for sound card control, s

Question: The notebook can install a stand-alone sound card, my notebook's sound card is not very good, I would like to add a stand-alone sound card does not know if it will improve the sound