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#1
03-04-2008, 02:16 PM
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Hi Everyone!
After taking out 1 GeForce Go 7800 videocard from my notebook and instantly getting full QE/CI i'm working on my audio... My notebook has a (nForce 4 chipset) nVidia AC97 (CK804) audiocontroller (0x005910de) with 6channel output, SPDIF and ofcourse my internal speakers.. After installing AppleAC97Audio.kext nothing happened. Then I added my DevID to AppleAC97AudioIntelICH.kext and...... I've got a volume slider, the system profiles says that i've got no built-in audio and my audio preferences say that I only have a Line-out... So I've got sound!! However, very silent, and only through Line-output, not my speakers I have already tried setting my sound 6 channels in the Audio MIDI utility, setting Left to channel3 and right to channel 6, but this also didn't work.. I know it must be possible to get sound out of the speakers.. but.. how?? pls Help Thanks! 
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#2
07-17-2008, 07:44 AM
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I have a bit other problem with AC97 kc804 onboard chip:
Sound works with a good volume, BUT eventually the output switches from speakers to "line out" and to spdf and back, so every program thet i start (iTunes, quicktime, vlc, idvd etc), that uses audio, i have to phisically move the speakers connection from one "hole" to another. I have already tried all appleac97audio.kexts that u can google - all the same - the output roams... Shall i change something in the bios or in ioaudiofamilie.kext or audioonboard.kext or virtualaudiodriver.kext or something else? Plz help! Thnx.
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#3
07-17-2008, 11:18 AM
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azazthot as far as I know WinLinMac01, aljonama and some other users have/had the same problem.
alphabeta23 posted his soution. He bought a SPEED-LINK UltraPortable Audio Card for about 10€, which works out of the box.
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#4
07-17-2008, 12:05 PM
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Audio in works for me, but you can't use it, the right channel is always too loud. An external soundcard is neccessary for recording.
I can recommend the M-Audio Transit USB Audio interface. It has a sampling rate up to 96 kHz (near-DVD), Line in/out, SPDIF in/out and an optical AC3-output. It also comes with a special MacOS driver and preferences pane. The input gain is adjustable up to +18 dB, the microphone boost up to +26 dB, so this will be enough for everything. Price is about 70-80 Euro, but it's a real professional device, better than cheap soundcards. My external soundcard is this one ;-) 2 Opteron systems: OSx86 10.5.8, Andy's 9.8.0 kernel, Asus A8N-SLI Premium, Opteron 185 o'clocked @ 2 x 2,95 GHz (2nd system 2.6 GHz), ATI Radeon HD2600XT 256MB Dual-Monitor 2x HP L2035, 4 GB RAM, Griffin FireWave as main audio device, Marvell + nForce LAN, Asus U3S6 USB3/SATA6 card, 5,5 TB harddisk, Firewire 800 card, Apple Remote + eHome IR receiver, 2x Wacom serial graphics tablet, Canon Pixma iP4700, Logitech Internet Navigator wireless keyboard/mouse combination. My Audio stuff: M-Audio Transit USB (default audio), M-Audio ProFire 610, M-Audio ProFire Lightbridge (34 channels) using Creamware A16 ADAT converter • MIDI: M-Audio Midiman 4x MIDI interface • Behringer Audio Mixers: Xenyx 1002, Xenyx 1002FX, Xenyx 1202FX, Eurorack UB1002FX, Eurorack MX1804FX, Eurorack MX262A • FX devices: Lexicon MPX100 DSP, Behringer DSP-1000 Virtualizer, Behringer MiniFEX 800 DSP, Behringer Multicom Pro MDX4400 compressor • RETRO: MSSIAH midi/sequencer/synthesizer cardridge for the C64 (Dual-SID), Steinberg M.S.I. MIDI Interface for C64
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#5
07-17-2008, 08:45 PM
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* naquaada
* CommentTimeMay 4th 2008 quote Try using the Audio/Midi configuration. Set audio to 4 or 6 ch, then back to 2. This also happens sometimes wehn I exit Logic or mainstage. Sometimes the volume and mute keys on my keyboard have no effect then, this is very bad. i have to reboot then, a logout has no use. Thank U!!!! In my case it was set to 6 (!), i changed it to 2 and now have fully working sound. I' ve just overlooket this util before. I dont need professional sound ( not yet anyway) - and for Skype regular dual channel stereo is enough. Sorry that i have not found this your comment before.
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Hybrid Mode
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