2008/11/13 Vedran Miletić <rivanvx@xxxxxxxxx>:> 2008/11/12 Pavel Hofman <pavel.hofman@xxxxxxxxx>:>> Vedran Miletić napsal(a):>>>>>> 2008/11/12 Pavel Hofman <pavel.hofman@xxxxxxxxx>:>>>>>>>> Vedran Miletić wrote:>>>>>>>>>> Auzen started to distribute one cool new Envy24HT-S card, and it looks>>>>> really interesting to me. Specs are awesome, and it also has word>>>>> clock on card!>>>>> http://www.auzentech.com/site/products/infra_quartet.php>>>>> http://www.infra-sonic.com/site/p_PCI_quartet.php>>>>> http://www.newegg.com/Product/Product.aspx?Item=N82E16829156007>>>>>>>>>> According to envy24.svobodno.com, it has:>>>>> Infrasonic Quartet 0x3030 0x4953>>>>> Envy24HT-S - supported by ALSA>>>>> AK4620B (ADC / DAC) - not sure, probably not supported?>>>>> AK4112 - not sure either?>>>>>>>>>> However it has Xilinx on card in similar way as ESI Juli@ does, so>>>>> it's probably not a standard Envy24HT-S card.>>>>> Any ideas if this card could be supported?>>>>>>>>> According to the block diagram in the User's Manual the Xilinx plays a>>>> major>>>> role. The FPGA provides even more functions than in Juli.>>>>>>>> Without some information from the manufacturer (even if under NDA) the>>>> driver will be rather difficult to write. The FPGA is controlled by>>>> Envy's>>>> GPIOs and their signals would have to be electrically analyzed under>>>> Windows>>>> driver - a pretty complicated task. It is very different from a regular>>>> card>>>> with well-documented codecs only where you just need to trace codec pins>>>> to>>>> corresponding GPIOs.>>>>>>>> Pavel.>>>>>>>>>> First off, thanks for answering. I didn't expect anyone to answer,>>> since this card isn't this common yet, so it surprised me that it>>> caught someone's interest. Good :)>>>>>> Well, IMHO, this card is as far as Envy24HT-S can go. Sure you can>>> have more inputs/outputs, but at 4x4 and without breakout box that's>>> it, in terms of features. So, I didn't expect the design to be simple>>> at all. Not to mention unsupported DAC/ADC and DIT.>>>>>> Yet, assuming we get the specifications from Infrasonic/Auzen, would>>> you or anyone else be interested in coding a driver?>>>> Well, I could work on the driver, it would be similar to Juli. ice1724.c is>> mostly ready for the proprietary clock model. The aforementioned chips have>> complete documentation publicly available. If I had the card physically to>> trace connection and test (I am no Takashi the wizard :) ) and some>> documentation available, it should be viable.>>>> Honestly I am not going to purchase it myself, I have no other use for it>> plus PCI is almost history now. Unfortunately I have not met any PCI-express>> card with quality 44.1kHz playback (i.e. dedicated crystal clock).>>>> Pavel.>>>> I do agree that PCI is almost history nowadays. Better said, it should> be. However, I see no viable replacement for Envy24 cards on PCI-E.> Oxygen and X-Fi just don't cut it. Anything else?>> Of course, when it comes to Envy on PCI-E there is Tokyo Style S010> DCS-SEV24, however that card doesn't support ASIO and since it uses> PCI <--> PCI-E bridge it's performance (in low latency operation) will> probably suck. And also it's not aimed at producers, and it doesn't> even support ASIO in Windows. I believe there are no MIDI ports> either.>> Therefore, out of all those "new" Envy24-based cards (since that's> basically what's available in this price range), Quartet stands out as> basically the best producer-oriented solution out there. Even more> than that - this is by far the best Envy24 card I have seen so far.> Almost like there is nothing to add :-) It's not available where I> live (Croatia), but it might be in the future since Auzen started to> distribute it, that's why I was interested in possibility of ALSA> driver for it appearing.>> Well, I will contact Infrasonic in the coming days and let you know> how it went. Fingers crossed.>> --> Vedran Miletić> I got a positive reply from Infrasonic, but haven't taken it furthersince I lack coding skills in this regard. Anyone wants to? -- Vedran Miletić_______________________________________________Alsa-devel mailing listAlsa-devel@xxxxxxxxxxxxxxxxxxxx://mailman.alsa-project.org/mailman/listinfo/alsa-devel
