ac97 sound card

Three, Linput input channel IntroductionThe main configuration for Linput is as follows:The R32 bit8 (LMN1) is connected to the PGA by 1:LINPUT1;R00 bit7 (linmute) 0: Mute is forbidden;R25 bit5 (AINL) 1:PGA enable;R47 bit5 (lmic) to 1:left Boost mixer enable;R32 bit3 (LMIC2B) 1:boost connected to left Boost Mixer.Iv. Introduction of output channelthe main configuration for ouput is as follows:R34 bit8 (Ld2lo) 1: LDAC is connected to left Output Mixer;R47 bit3 (lomix) 1:left Output mixer Enable.V

I recently tested the voice function of Lync. The environment has been set up in a virtual machine, but the sound card is not supported in Hyper-V. the test has not been successful yet. After some attempts, the test is successful. The details are as follows: 1. The real machine is Win7 Enterprise Edition, and the virtual machine is also Win7 Enterprise Edition. (In the virtual machine, XP only supports play

Introduction to wm8960 for debugging the sound card driver in android 2. androidwm8960 3. Introduction to LINPUT input channels The main configuration of LINPUT is as follows: Set bit8 (LMN1) of R32 to 1: LINPUT1 connects to PGA; Set bit7 (LINMUTE) of R00 to 0: Disable mute; Set bit5 (AINL) of R25 to 1: PGA enabling; Bit5 (LMIC) of R47 is set to 1: Left Boost Mixer; Bit3 (LMIC2B) of R32 sets 1: boost conne

XP system notebook How to exclude sound card does not support mixing features 1. Point "Start"-> "Run" enter "REGEDIT". 2. After the Registry Editor appears, locate the following path hkey_local_machinesystemcurrentcontrolsetcontrolclass{4d36e96c-e325-11ce-bfc1-08002be10318} 005SettingsfilterRear You can also directly navigate to this folder by looking for "enableinputmonitor". 3. Create a new tw

1. As shown in the following figure, right-click the "Small horn" icon in the lower right corner of the computer and click "Recording Device" to enter the details as shown in the following figure. 2. Now, as shown in the figure shows that there is no stereo mixing this function, many people think that their sound card does not support stereo mixing function, in fact, there is not a part of the support bu

Perhaps many users, especially music enthusiasts, will be in the audio and video experience in the volume size is difficult to grasp the problem, no matter how to adjust the speaker or playback software volume control will appear the bottom noise, distortion and other annoying phenomenon. A set of playback system, the sound card, speakers and playback software will have their own volume control options, th

Take the Soundmax (RealtekAC97 and Soundmax settings) as an example of a sound card. 1. Right-click the system tray Volume small icon, as shown in the picture: 2. Click on the playback device in the above picture to view the playback device of this machine, as shown in the picture In this figure, right-click the blank box and select Show disabled devices to display all disabled de

1, if the Bluetooth audio rendering when the sound card, then first link bluetooth headset (or speaker), the system will automatically download the corresponding Bluetooth audio rendering driver, this time the device can see the corresponding Bluetooth driver; 2, after the mouse right click on the taskbar in the lower right corner of the volume icon, select Open Volume control optio

My notebook is associative, model is Zhaoyang e43, formerly used in the 2003 system, but later felt that the system is not suitable for personal use, I heard that more suitable for the server, personal use or install Windows XP relatively simple and convenient, win 2003 always and some upgrades are incompatible, affect the use. My notebook switch to Windows XP system, the sound card driver incredibly can n

1, open the WIN7 system on the disk, step-by-Step into the Windows folder-system32 folder-driverstore folder-filerepository folder inside Find Wdmaudio.inf_x86_neutral ... Folder. 2. Right-click Administrator to obtain ownership; 3. Enter (Wdmaudio.inf_x86_neutral ...) folder and delete all files in the folder. 4, download and decompression Win7 sound card driver Manual repair package;

Recently, we often see users in the online consultation, why can not install the sound card under the Windows7 to drive such a problem. Like Vista earlier, Microsoft does not advocate that users log on to the system directly as an administrator, because there is a lot of risk. It is recommended that you log on to the system as a non-administrator for security reasons, but sometimes you need system setup or

The specific installation steps are as follows: 1, Baidu Click "360 Drive Master", search to 360 official website download Install "360 Drive Master". 2, installed after the "360 Drive Master", the software will automatically scan the driver is not installed. We can see that there are two sound card drivers waiting to be installed, click "One-click installation" for driver installation.

1, open your system on the disk into the windows-system32-driverstore-filerepository found in the Wdmaudio.inf_x86_neutral_aed2a4456700dfde folder; 2, right click on the point administrator to obtain ownership; 3, Re-enter (WDMAUDIO.INF_X86_NEUTRAL_AED2A4456700DFDE) folder to delete all the things inside; 4, download Windows7 sound card driver repair compressed package; 5, decompression wi

CPU overclocking in computer leads to sound card burst/silent solution 1, if the CPU can overclocking to 100Mz FSB, at this time because the motherboard automatically use 1/3 frequency, so the PCI bus frequency will automatically return to 33Mz, the fault phenomenon will automatically disappear; 2, if the CPU can not exceed to 100MHz FSB, then can only replace a good quality

If you're doing some sort of multimedia player program, in order to improve the fault tolerance of the system, we must use some detection system functions, which detect whether the existence of a sound card is a problem, the following procedures to help you busy, first of all need to join the uses part of the MMSystem, and then detect the sound

and Ac97_additional_ FUNC1 (i.e., 0x24 and 0x5a), the values are 0x10 and 0x40 respectively.The entire function of these settings is posted below, which can be used directly (the wm9713.c file under the Codecs folder): #define AC97_ additional_func10x5astatic int wm9713_hifi_hw_params (struct snd_pcm_substream *substream,struct snd_pcm_hw_params * Params,struct Snd_soc_dai *dai) {struct Snd_soc_codec *codec = Dai->codec;ac97_write (codec, Ac97_powerdown, 0x0000); Ac97_write (codec, Ac97_phone,

1. Open the Control Panel and double-click the small orange horn to run, as shown in figure: 2. Open HD sound card Control Panel, select "Mixer". 3. Go to the "Mixer" option and check the "microphone volume" in the "Record" bar. If you do not see the "CD volume, Microphone volume, line volume, stereo Mix" in the recording settings at this time, click on the small wrench in the lowe

The sound card does not support the mixing function, turn on the small horn to adjust the volume, also did not find the adjustable "stereo mix" volume, where did it go? How can we rule out this failure? The method is as follows: 1. Point "Start"-> "Run" enter "REGEDIT". 2. After the Registry Editor appears, locate the following path hkey_local_machinesystemcurrentcontrolsetcontrolclass{4d36e96c-e325-11ce