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Betty Neyhart
I have configured my sound system in Windows 10 as 5.1, and can hear and test all 5 speakers individually without problems. Then, when I am playing a movie with VLC or working with my Unity application, Windows 10 keeps changing (seemingly randomly) back to Stereo, and often times 5-10 seconds later again back to 5.1, always with a 1-2 second delay (silence) during switching.
I have a Teufel Concept E and Concept 450 speaker system which have onboard sound cards. I have also tried using a Behringer FCA610 and Logilink UA0099 7.1 sound card connected to the sound system via optical cable and also with 3 single 3.5mm cables. Nothing seems to matter, Windows 10 arbitrarily change between stereo and 5.1 mode. I never had this issue with Windows 7.
If I configure the soundcard via Windows control panel (Speaker Setup screen), it often shows as being in Stereo mode, even though I just 5 minutes prior set it to 5.1! Sometimes it works fine for an hour, other times it happens after several minutes. I can't determine any rhyme or reason.
I called Teufel tech support and they said it's a known problem when connecting via USB with a fix on the way, but for now I should stick to using optical cable for the most stable surround sound connection. As mentioned in my question I had tried optical without success, but now I disabled all other audio adapters, including the Realtek onboard via BIOS, as well as removing Realtek audio manager software and Xear audio driver and now the problem seems to be resolved.
This is an Adobe Audition CS6 question. I've installed a new internal sound card in my Windows 10 PC. It has an optical S/PDIF input (and output). I am trying to record audio from a BD player using this optical input and the sound card's ASIO driver. But CS6 won't let me - it sees the sound card's ASIO driver, sure, but when I select it, I get the old "Device could not be opened" error message and CS6 won't start. I can only record by flipping over to MME and using the sound card's S/PDIF input offered under that heading.
I have a theory as to why I can't use the sound card's ASIO driver. I think it's because Audition is a player AND a recorder and it won't function with any ASIO driver unless input and output are both connected to the same device.
What bit rate are you recording at? If it works with MME, then there's a good chance that Microsoft is doing an on-the-fly sample rate conversion it's not telling you about. A rate mismatch would be all it takes; it's unlikely to be sync-related, as Audition can choose where it gets its sync from. If my idea is correct, it will already be getting it from the correct input - just not at an appropriate rate.
The PCM stream comes out of the HDMI output of the Blu-ray player. Then it goes into an HDMI de-embedder. Then it comes out of the optical output of the de-embedder, still at 176.4 kHz, and into the optical input of my PC where it is received by the StarTech sound card at 176.4 kHz. I have opened a new Audition file with the resolution set at 176.4 kHz, 24 bits.
I know you'll think this chain is a bit crazy but I've used it many times before with complete success using an external sound card connected to the PC by USB. And also, it works completely successfully right now, using MME. So I know the chain is OK.
b) It CAN see the ASIO device connected by SPDIF but it refuses to acknowledge it because it can only see an input for the device and not an output, and therefore it doesn't feel it has proper control of the device and therefore it sends an error message.
I should also mention that I have another ASIO device connected to the PC by USB, which Audition is able to see and use. Of course, the obvious thing to do is to disconnect that other device and get it out of the way. But if I do that, I can't even open ASIO in the Device Class options at all! Which, in my view, does tend to confirm that Audition simply can't see an ASIO device connected only by SPDIF. It knows it's there because it's in the list of ASIO devices, but if you try to select it, Audition behaves as if the device were not switched on.
I've never had any problem with this at all - Audition only needs to see a device with a valid clock signal (if it's S/PDIF it does depend sometimes on how the receiving sound device is set up to deal with sync - you might want to check that out), and it should be able to record it; you don't need a playback system in place for this to happen, the same as you don't need a record source for playback to work - just the correct sync settings in Audition and a device to output to
If you are talking about the latest release though, the 'not seeing ASIO' thing has the makings of a bug, as I've seen something very similar, but haven't tied it down yet. Do you have an earlier version to try it on? You should still be able to get 2015.2 to download and work, I think. If you have a device with a known ASIO driver, and for any reason you can't see it as being available, you should report it as a bug, especially if it shows up correctly on another version.
I am using CS6, version 5.0.2, Build 7. Do you know whether this is bug-free? If not, I have the original installation disc from years back so I could always just install it anew and not accept any updates.
It's reassuring, what you say about Audition being able to operate an ASIO device using only an SPDIF input. I will have to think a bit more about whether it's receiving a valid clock signal and whether it is syncing properly. As I say, it works in MME so I don't really see why it shouldn't work in ASIO but I need to think about that some more.
But I'm still not sure about not needing an playback system in place. You say I need "a device to output to" but surely that can't be different from the ASIO device I'm recording from? I know that's permissible in MME and maybe that's why I don't have any problems there but I thought ASIO was very particular about only controlling one device at a time.
Steve, I was following up your suggestion of checking clock signals, sync etc and I've stumbled upon a problem - it looks as if the ASIO driver they've installed on my PC is 64 bit. I guess that could be the answer so I will have to see if there's a 32-bit option. I'll look in the installation folder but if I can't find one there, I will have to email StarTech in Taiwan so it could be a while before I find out whether the 32-bit driver works.
I then went back to CS6 and tried reinstalling CS6 from my old installation disc. As a result, I have now gone back from Version 5.0.2, Build 7, to Version 5.0, Build 708. (I also uninstalled the soundcard drivers beforehand and reinstalled them after doing the fresh CS6 installation, with lots of reboots along the way.) However, this older version of CS6 still refuses to load the ASIO driver for my soundcard.
I'm wondering if CS6 can't find a 32-bit ASIO driver for the sound card. And yet... CS6 can SEE the ASIO driver for the soundcard because it appears in the list of available ASIO devices in the Device Class drop-down list. Surely, it wouldn't even see the driver if it was only available in 64 bits? Second, as far as I can see, the driver installation folders do include both 32-bit and 64-bit versions of the ASIO drivers and so the 32-bit driver does appear to be available to CS6, though I can't be certain about this.
The only thing I can suggest (and I'd understand if you were reluctant to do this) would be to delete the entire preference folder for CS6 and try it again. The software will automatically install a 'vanilla' version, which should rediscover anything that's legitimately there to discover - if you see what I mean...
What I have found is that if I connect any ASIO device by a two-way street - either a USB cable or two SPDIF cables, in and out - it works. If I connect any ASIO device by a single SPDIF cable, either in or out, it doesn't work.
I wonder if anyone using CS6 with Windows is able to verify or refute this? My contention is that it's impossible to use any ASIO device with CS6 if it's connected only with a single SPDIF cable - you must have either twin SPDIF cables or USB.
This could very well be something to do with Sample rate matching. In MME audio driver mode you can select from within Audition's Audio Hardware Settings whether the input or output of the selected device acts as the Master sample clock. Whereas using ASIO this can't be selected from within Audition but has to be set within any software control panel supplied by the audio interface hardware manufacturer.
What I really need to know is if anyone else is able to load and play through an ASIO driver using only one S/PDIF cable in CS6. Then I'll know for sure whether it's a CS6 problem or a problem with my setup.
I downloaded a free DAW called Wavepad and that worked flawlessly with my SPDIF input too. So I'm ready to call Adobe out on this one. Unless or until anyone can demonstrate otherwise, there is a bug in Audition CS6 as follows:
Audition CS6 will not open any ASIO device if Audition CS6 is connected to the device only by a single SPDIF cable (either input or output). ASIO will only work with SPDIF if you are able to connect an input AND output cable to the SAME device.
I would be extremely happy if someone can prove me wrong but if not, I'm going to have to use a different DAW to record in ASIO via SPDIF. I wish I could buy CC but there's no way I'll sign up to a subscription model so I'll either invest in something else or just carry on with CS6 and use Wavepad or another free DAW for SPDIF recording.
I was referring to the source of the Sample Rate's master clock rather than matching the Sample Rate itself. When using MME drivers in Audition you with certain audio interfaces you can select either the Input or Output as wordclock master. So if you were feeding in an external SPDIF source with the audio driver set to Output for master clock then things wouldn't work properly. You would need to set the external Input as master. But by connecting input and output the external device would be clock synched to the audio interfaces internal clock. Do the card manufacturers supply any software control app with the ASIO drivers?
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