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C-Media Electronics Inc.

CMI8768/8768+

Advanced Driver Software Architecture

Enhanced by Dolby

Digital Live and C-Media Xear

Sound Technology

User Manual

Revision: 1.0

Rev. Date: May. 25, 2004

Содержание CMI8768

Страница 1: ...C Media Electronics Inc CMI8768 8768 Advanced Driver Software ArchitectureTM Enhanced by Dolby Digital Live and C Media Xear 3DTM Sound Technology User Manual Revision 1 0 Rev Date May 25 2004 ...

Страница 2: ...transmitted in any form or by any means for any purpose without the permission of C Media Electronics Inc Trademarks C Media C Media logo and Xear 3D are trademarks of C Media Electronics Inc Dolby and Dolby Digital are trademarks of Dolby Laboratories EAX and A3D are trademarks of Creative Technology Ltd Microsoft DirectSound3D Windows are trademarks of Microsoft Corporation Other company and pro...

Страница 3: ...r 3D Audio Driver User Manual Rev 1 0 Revision History Revision Date Applicable Driver Version Description 1 0 2004 5 25 V 040 or revision Preliminary Chip Version Product Name Description CMI8768 Supports Dolby Digital Live real time AC 3 encoder CMI8768 Doesn t support Dolby Digital Live real time AC 3 encoder ...

Страница 4: ...ure Overview 6 3 Installing H W S W and Speakers 7 3 1 Audio Hardware 7 3 2 Audio Software 7 3 3 Connection and Speaker Setup 8 4 Using Audio Driver 11 4 1 Find Out 3D Audio Configuration 11 4 2 Main Setting 12 4 3 Mixer Volume 15 4 4 Sound Effects 18 4 5 Magic VoiceTM and Karaoke 19 4 6 Look for Information 21 5 Using Play3D Demo 22 6 Number of Output Channel 23 7 FAQ Trouble Shooting 25 ...

Страница 5: ...rovides a value added PC audio total solution All kinds of applications can get maximum support With this manual users can quickly take advantage of these great features to enjoy amazing sound effects even better than consumer acoustics Support EAX2 0TM or A3D1 0TM Support DS3DTM H W S W Magic VoiceTM Sensaura CPL3D engine 7 1 Virtual SPEAKER SHIFTER 5 1 Xearphone 2 Speaker Virtual Theater Earphon...

Страница 6: ...ve encoder is only supported by CMI8768 version ADSATM Driver Xear 3DTM Sensaura HRTF 3D Positional Audio Environment Emulation Size Microphone Echo 10 Band Equalizer Dolby Digital Live Encoder Sound Effect Figure 2 ADSATM Xear 3D Driver Function Diagram 7 1 Virtual SPEAKER SHIFTER EAX2 0 1 0 A3D 1 0 Multi drive 7 1 Microsoft DirectSound 3D H W S W Dolby Audio Key Shifting Vocal Cancellation Magic...

Страница 7: ...should install your sound card to the PCI slot on your motherboard when power off first After that you can continue to install the audio driver software If you bought a motherboard or a system with a C Media audio chip on board you don t have to do any audio hardware setup 3 2 Audio Software Just put the support driver CD into your CD ROM DVD ROM to install the C Media audio driver software via th...

Страница 8: ...n of a sound card bracket and also illustrate how to connecting your audio devices to the sound card The real design should be in accordance with the product manufacturer Front OUT Headphone Side Surround OUT Back Surround OUT Center Subwoofer S PDIF OUT S PDIF IN LINE IN MIC IN Sound Card Bracket Front Speakers Side Surround Speakers Back Surround Speakers Center Subwoofer Speakers Mini Disc AV P...

Страница 9: ...elow to get best surround sounds Dolby Digtial Surround EX and DTS ES 6 1 7 1 soundtracks are recorded for additional back surround speakers behind the listeners As a result alien creatures in the movie can circle all around you fighter planes can fly directly over you and rain can pour down all around you more realistically than ever before 7 1 Speakers 5 1 Speakers Dolby website provides a pictu...

Страница 10: ...dded Dolby Digital Live Real Time Content Encoder only available on CMI8768 you can generate the Dolby Digital audio stream for any digital PC sounds 3D Games WMA DVD MP3 CD Wave streaming audio on your PC and make use of your hi fi home theater to decode and play the perfect sound Just connect your PC to the external decoder AV receiver with a S PDIF optical fiber or coaxial cable like the figure...

Страница 11: ... s 3D audio control panel with that you can control all audio configuration After finishing the installation of the driver and rebooting the system you can find the panel from two places 1 Left Click the icon in the system tray in the right bottom of your screen You can also click right button of the mouse on it to get an audio related menu as follows 2 Double click CMI Audio Config icon in Window...

Страница 12: ... 1 Turn on Analog Output and select Speaker Type or turn on Digital S PDIF Output Step 2 Check the connection is consistent with the audio jack configuration information Step 3 Do Speaker Test 3D Sound Multi channel Music Demo if you want Step 4 You can click Digital Volume button to fine tune the volume for each speaker Step 1 Step 2 Step 3 Step 4 On Off On Off Speaker Test 3D Sound 5 1 Music Sto...

Страница 13: ...he interface indicates Especially if you have hi fi home theater high quality 5 1 speakers at home This function lets you to make use of both your PC and consumer electronics Your Dolby PC can be a multi media platform in the living room which is often called Media Center Step 2 Select Dolby Digital 5 1 Encoding if you have the option and then you will get high quality Dolby Digital audio stream o...

Страница 14: ... 1 Virtual Speaker Shifter button Step 3 Each virtual speaker represents the specified channel sound You can move each virtual speaker to anywhere you want to optimize the sound field when you are running any application You can even move the place of the virtual listener Step 4 You can reset the placement manual shifting group rotate auto rotate and increase decrease the volume of the virtual spe...

Страница 15: ...aster Volume Control knob just using the mouse to change the volume level for all sources Step 3 If you want to change the volume for a specific device source please fine tune the correspondent scroll bar Recording Gain Step 4 Select the recording source you want one for once The left picture will show the related sign for the source you have selected Step 5 If you want to change the volume for a ...

Страница 16: ...noise louder certainly 2 S PDIF IN Setting Step 1 Before you connect S PDIF interface you should select the connection type coaxial cable RCA connector or optical cable TOS LINK connector It depends on whether your product provide both connectors Even your system have both you cannot use both concurrently Step 2 The format of some SPDIF signal sources may be inverse and you will hear kind of noise...

Страница 17: ...MI8768 8768 Xear 3D Audio Driver User Manual Rev 1 0 Step 4 When you are recording S PDIF In audio you can choose to monitor it using analog speakers However it may stop usual playback function Therefore please remember to keep it unchecked when you don t need to monitor Step 1 Step 2 Step 3 Step 4 ...

Страница 18: ...ange the Environment Size to Large or Small pre setting is Medium You will hear the different feeling about the environment space 10 Band Equalizer Step 3 Select a pre set mode for equalizer that is actually frequency response modeling There are 12 preset modes such as Bass Treble Live Rock Jazz etc Step 4 You can change the gain setting for each band and then give it a name in the following blank...

Страница 19: ...ke messenger VOIP online game applications you can also choose Magic VoiceTM effect in the pull down menu to disguise your identification or just for fun Just select one kind of the voice type These two features require real time Microphone recording You should suspend other recording application Step 3 You can enable Key Shifting for the Karaoke VCD or the music to make it suitable for your voice...

Страница 21: ...ual Rev 1 0 4 6 Look for Information There is a C Media audio related Information tab in 3D Audio Configuration You can get a whole picture about the audio chip driver version 3D Audio Engine Microsoft DirectX Version and Configuration Version itself Besides you can decide if the audio configuration icon should be showed in the system tray ...

Страница 22: ...After installing the setup program you will find the demo program from the path Start Programs C Media 3D Audio Play3D Demo Step 1 Select a Sound Source you want to play There are five saved sound sources and you can to add your own wav audio into the list Click to add and to delete Step 2 Select a Moving Path for the 3D sound Step 3 Select a Environment emulation if you want Step 4 Click Play or ...

Страница 23: ...PCM Audio DVD WinDVD PowerDVD Select S PDIF Out in the AP audio setting AC 3 DTS Format Data N A N A N A N A MS Media Player C Media Media Rack Use DirectSound Interface 2ch L R L R Ls Rs L F Ls Rs Center Subwoofer if Bass Enhancement is enabled L F Ls Rs Lb Rb Center Subwoofer if Bass Enhancement is enabled 2 channel Stereo PCM Wave Audio MP3 CD VCD Winamp old version Use MCI Interface by default...

Страница 24: ...ar situation Therefore you will only get 2 speaker or 2 1 speaker sound if you enable Bass Enhancement option 2 3D Sound is positioned by HRTF 3D Engine by maximum 7 speakers L F Ls Rs Lb Rb Center when you set 6CH which is called multi drive 7 1 function by Sensaura 3 In 4 6 8 CH mode the analog pass through can only output original stereo audio microphone or stereo input mainly for monitoring pu...

Страница 25: ...amilyID 141d5f9e 07c1 462a baef 5eab5c851cf 5 displaylang en Q2 Why don t I hear sound while playing CD Most cases are because the OS is set in analog CD mode and you didn t connect CD cable from the back panel of the CD ROM to CD In header on your sound card Please open Device Manager select DVD CD ROM drives and open it Then switch to properties page and enable digital CD audio Windows XP defaul...

Страница 26: ...e best sound field If you want to enjoy real 5 1 7 1CH DVD surround sound you should buy a software DVD player with Dolby Digital EX or DTS ES 7 1CH decoding function such as WinDVD or Power DVD With Xear 3D Virtual Speaker Shifter DSP mode you should always set the maximum output channel from the players to get best sound effects Virtual Speaker SHIFTER engine can deliver the multi channel sound ...

Страница 27: ...tw http www Xear3D com CMI8768 8768 Xear 3D Audio Driver User Manual Rev 1 0 that mean this version was supported 7 1CH decoding capability Please choose 7 1 speakers mode no matter what kind of speakers you really use Otherwise you should select the max output capability or ...

Страница 28: ...river User Manual Rev 1 0 Q4 What is 7 1CH listening environment and what difference with 5 1CH 1 The 7 1 channel mode is newest multi channel audio format and technology in the market It includes center subwoofer front left front right left surround right surround left back surround and right back surround according to Dolby ...

Страница 29: ...ev 1 0 Digital and DTS ES standards 2 The 7 1CH content was naming Dolby Digital EX by Dolby Lab and DTS was naming DTS ES Extended Surround 3 The difference of 5 1CH and 7 1CH is additional 2CH This extra 2 speakers were placed on rear side to enrich back sound sources for entire enveloping surround feeling 5 1CH Environment 7 1CH Environment ...

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