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'Oscilloscope' screenshot of triggering with wireless radio vs. triggering with pc-sync wired to Minolta 7D.
Produced by connecting the trigger and the pc-sync directly to the soundcard mic-in - is this even a valid method?
The story:
I'm trying to trigger my 5600 HS(D) with a cheap ebay wireless radio trigger (NOTE: this is about _radio_ triggers - I'm aware of the built-in minolta optical wireless system, and I use it all the time).
I have verified that the trigger is working - I can trigger an old nikon sb-24.
I have stripped a minolta oc-cable, and if I short the right wires, the 5600 fires. This also works when connecting the converted cable directly to the 7D:s pc-sync, BUT if I connect it to the wireless trigger, the flash does not fire (the radio transmitter is connected to my 7D via pc-sync cord, the receiver to the flash via cord).
I've tried quite a few setups, and the conclusion is that everything is working fine, except the 5600 does not react to the radio trigger. I'm know very little about electronics, so I have no idea what's causing this...
One theory was that the duration for which the trigger shorts the wires is too short, but if I'm reading this diagram correctly, that's not the case.
There is a big difference, though - might this be the problem anyway?
Ideas and/or solutions welcome... :-)
I wanted to be able to listen to the soundtrack from the Redcastle Sessions DVD on MiniDisc, so I've made this recording direct from the DVD via the optical output on the USB soundcard to the minidisc recorder. It just fits onto an 80 minute MD in "normal" mode (which is all that is available on the MZ-R35, being a "vintage" 1998 MD recorder, before the days of MDLP, Net MD or Hi-MD).
SdrDx is free software I wrote. I've made the application available for Windows and OS X. As shown, it works with RFSPACE SDRs and the FUNCube SDR, with support for others (Soundcard based SDRs, the FCDP+, etc.) completed and released a month or so after this picture was taken.
As shown here, I use it with a MIDI control surface and a Griffin PowerMate to provide that happy "knobs to play with" environment, while still maintaining a completely reprogrammable setup.
If you're into SW or AM listening, or amateur radio, SDRs are the coming thing -- no analog radio can hope to perform as well, or provide the wealth of features an SDR coupled with good support software can.
In here you can see the complete set:
The shutter speed tester
A laser pointer to provide a strong light beam
An Argus C-44 being tested
A computer with a wave editor software
The shutter speed tester conects to the soundcard, mic plug.
Custom made Computer Cabinet. Left is my girlfriends computer, and on the right my windows 7 pc. Under it on the left is my KVM switch witch switches between my windhoos pc and my macbook pro. The Safire soundcard is connected to my macbook via firewire.
Amateratsu is the Japanese godess of the sun who holds domain over heaven.
Specs:
Intel Core i7 920
6GB RAM
Sapphire 5850
Creative Blaster Soundcard
2TB RAID 0 array
Alienware keyboard
Dell 23" monitor (2046 x 1152)
Case:
Antec 200
Custom painted. Custom cut window. Custom cut decal. Handmade LED array.
My desk where I am currently fixing some bugs in my temperature measuring gizmo code (Javascript on the Tessel).
Other stuff on my desk. From left:
Echo Audiofire2. A digital audio interface that I originally bought for an old laptop so that I could get great sound quality and MIDI in/out for small music projects. My main soundcard, so to say, for the computer right now. But not functioning correctly because it is not supported by Mac OS X 10.10. Bummer.
Nexus 4: My previous mobile phone running vanilla Android 4.4.4. Set up for various Android application projects that I intend to do.
Tessel: The latest gizmo I bought for various fun electronic/javascript projects. Right now it measures temperature and humitidy but it can also measure sound and light. Perfect for projects like starting Spotify when the sun rises or so. Normally its not connected to the computer but to a regular power outlet by the balcony door where it executes more autonomously via wifi.
Raspberry Pi: Small micro computer in a black case. Running Raspbian, a Linux distro for such small devices. Last christmas I played with some electronics and the Python language on this device. Feels like it could become a christmas tradition. It has got a camera as well, not showing here.
Tessel sticker just laying around waiting to be sticked onto something.
Mac Mini: My stationary computer with a portable DVD player on top (the Mac Mini has no DVD slot).
made a nice small speaker box for my wife.
she wanted some small speakers she could use to listen to her favourite airplay music around the house/garden.
made a nice "handbag-design" for the speakers and fitted a raspberry-pi with wifi and a usb soundcard for better sound and the amplifier in it.
design was made by me in inkscape.
lasered out of 3mm plywood at the fablab nuernberg.
the raspberry pi runs after this instructable: www.instructables.com/id/raspbAIRy-the-RaspberryPi-based-...
made a nice small speaker box for my wife.
she wanted some small speakers she could use to listen to her favourite airplay music around the house/garden.
made a nice "handbag-design" for the speakers and fitted a raspberry-pi with wifi and a usb soundcard for better sound and the amplifier in it.
design was made by me in inkscape.
lasered out of 3mm plywood at the fablab nuernberg.
the raspberry pi runs after this instructable: www.instructables.com/id/raspbAIRy-the-RaspberryPi-based-...
The beast got some new guts:
An ASUS Xonar Essence STX Hi-Fi Sound Card (ahhhh the sound of silence - no more motherboard noise)
A Gigabyte nVidia GTX460 1G OC Video card (so I can run CUDA video apps)
An Antec 750W power supply to run it all.
And, after a couple of false starts, it works!
I've been waiting for NI to include a soundcard in Maschine since the MK1. Now they did, and made my dream come true.
Now... let's make it standalone, shall we? :)
made a nice small speaker box for my wife.
she wanted some small speakers she could use to listen to her favourite airplay music around the house/garden.
made a nice "handbag-design" for the speakers and fitted a raspberry-pi with wifi and a usb soundcard for better sound and the amplifier in it.
design was made by me in inkscape.
lasered out of 3mm plywood at the fablab nuernberg.
the raspberry pi runs after this instructable: www.instructables.com/id/raspbAIRy-the-RaspberryPi-based-...
An external soundcard. It didn't do what I wanted it to do. Not at first. Then, after a substantial amount of tinkering, I got it to do what I wanted it to do. Howeve, the end results weren't good enough. Sam Watson gave me some more hints, which I may try in the future. But now I'm not so sure I need this thing as much as I thought I did.
I have felt "naked" for the last 2 years, though, for not having RCA audio inputs into my computer. Mini-jack quality really sucks for recording. RCA audio inputs work MUCH better if you are doing an analog conversion. And wrapping that up in a USB-based package means being able to convert cassettes or vinyl to any computer you want -- even on the go. (Why the hell would I be doing that on the go?)
This also could be a way to run multi-room. I could make our bedroom hook to this, and the rest of the house hook the the main soundcard. I could then play games or watch a movie on these speakers with my on-board soundcard, while having Winamp send the music to the bedroom with this USB soundcard.
There's a winamp plugin called "multiple output plugin" [or something to that effect] that lets you have Winamp output to multiple sound cards. So effectively, there's a 2nd output that's only the music, while the 1st output is your windows sounds and such.
The problem I had was they weren't perfectly in sync. There is a latency. Probably under 100ms, but enough to ruin the effect when you walk from zone to zone. What Sam Watson sent me were some utilities to test (and adjust?) soundcard latency. But it's a high amount of effort for a low return, so I have saved these in a folder with his name, and starred his emails about what to do, so that I may tweak this later if these needs come up.
Still a pretty neat device -- I've never really seen (or had, at the very least) external soundcard before.
USB audio interface, present.
upstairs, Clint and Carolyn's house, Alexandria, Virginia.
December 26, 2009.
... Read my blog at ClintJCL.wordpress.com
... Read Carolyn's blog at CarolynCASL.wordpress.com
CPU : i7 3770k
GPU : Sapphire R9 290 Tri-X
Mobo : Asus P8 Z77 vlk
Ram : 2x 4 GB 1600 Mhz Crucial Balistix Tactical Tracer
Cooler : Corsair h100i
SSD : 128 GB Corsair Force GS
HDD's :
RAID 0 : 2x 500 GB Hitachi Deskstar 7k1000
2 TB Western Digital Caviar Green
PSU : BeQuiet! PurePower 630W
SoundCard : Creative Sound Blaster Recon3D
LED : BitFenix Alchemy Connect White
"Hmm. Think I fancy a bit of Doom," JJ mutters.
It's another late night in the office and John and I have just come back from the McDonald's downstairs with our dinner: Big Macs, fries and their surprisingly good strawberry sundaes. Something of a tradition, this.
The thought of doing any more work that night evaporates. As we munch on our burgers we take turns to pirouette through the dungeon passageways, blowing away anything in our path and trying to figure out just where all the pesky keys and secret doors are. The PC doesn't have a soundcard, so we add our own sound effects.
We're still playing at 4am. This game is scarily addictive. John's missed his last ferry back to Lantau, so I offer to put him up in my spare room. It's not the first time he's kipped over, and I suspect it won't be the last, but the room's empty and I don't mind. I'm more worried about how I'm going to get up for work in five hours' time...
made a nice small speaker box for my wife.
she wanted some small speakers she could use to listen to her favourite airplay music around the house/garden.
made a nice "handbag-design" for the speakers and fitted a raspberry-pi with wifi and a usb soundcard for better sound and the amplifier in it.
design was made by me in inkscape.
lasered out of 3mm plywood at the fablab nuernberg.
the raspberry pi runs after this instructable: www.instructables.com/id/raspbAIRy-the-RaspberryPi-based-...
made a nice small speaker box for my wife.
she wanted some small speakers she could use to listen to her favourite airplay music around the house/garden.
made a nice "handbag-design" for the speakers and fitted a raspberry-pi with wifi and a usb soundcard for better sound and the amplifier in it.
design was made by me in inkscape.
lasered out of 3mm plywood at the fablab nuernberg.
the raspberry pi runs after this instructable: www.instructables.com/id/raspbAIRy-the-RaspberryPi-based-...
made a nice small speaker box for my wife.
she wanted some small speakers she could use to listen to her favourite airplay music around the house/garden.
made a nice "handbag-design" for the speakers and fitted a raspberry-pi with wifi and a usb soundcard for better sound and the amplifier in it.
design was made by me in inkscape.
lasered out of 3mm plywood at the fablab nuernberg.
the raspberry pi runs after this instructable: www.instructables.com/id/raspbAIRy-the-RaspberryPi-based-...
made a nice small speaker box for my wife.
she wanted some small speakers she could use to listen to her favourite airplay music around the house/garden.
made a nice "handbag-design" for the speakers and fitted a raspberry-pi with wifi and a usb soundcard for better sound and the amplifier in it.
design was made by me in inkscape.
lasered out of 3mm plywood at the fablab nuernberg.
the raspberry pi runs after this instructable: www.instructables.com/id/raspbAIRy-the-RaspberryPi-based-...
In the past decade, the ubiquity of the Apple iPod and other portable music players has dramatically increased the market for headphones. While the prices of these new offerings run the gamut from throwaway to four figures, most, in keeping with the emphasis on portability, tend to be earbuds or in-ear monitors -- full-size, high-quality headphones are still the province of audio engineers and a vocal minority of audiophiles. Still, headphone companies continue to release statement-level products to appeal to that niche market. One such example, the Edition 8s, from Germany's Ultrasone, is the subject of this review.
Ultrasone has been designing and manufacturing headphones since the early 1990s. That makes them a relative newcomer in a product category in which most manufacturers have been in business since the early years of electronic recording. Unlike those other companies, Ultrasone makes nothing but headphones. Twenty years is more than enough time to have built a solid reputation, and Ultrasone has won numerous accolades and a devoted following of audio professionals.
All of Ultrasone's professional headphones share two characteristics: S-Logic and ULE shielding. In a natural listening environment, sounds first strike the outer ear and are then directed into the ear canal. Ultrasone's S-Logic natural surround technology uses decentralized driver location to direct sounds at the outer ear. This approach is more akin to listening to loudspeakers, and greatly improves spatial perception when listening through headphones. Another benefit of S-Logic is that, by using the natural amplification of the ear's outer structure, or pinna, the required sound-pressure level produced by the driver can be reduced by 3-4dB and still result in the same perceived loudness.
This reduction in sound-pressure level is safer for your hearing over the long term, and that's not the only way Ultrasone demonstrates its concern for those who spend many hours each day using their products (still, listening to any headphones at high volumes is not advisable). You may have read media reports about possible links between brain tumors and the radiation from cellular telephones. Although the frequencies involved are different, the drivers in headphones also produce electromagnetic waves very close to your head. Ultrasone's UltraLow-Emission (ULE) shielding blocks up to 90% of this radiation. Whether or not any health risks are ever proven, I see no need to unnecessarily irradiate my brain while listening to music. I don't know which of these two design characteristics might be responsible, but I have found Ultrasone headphones to cause less fatigue over long listening sessions than headphones from other manufacturers.
The Edition 8s aren't just at the top of Ultrasone's product line, they're in a wholly different class. Everything about the materials and construction defines them as a luxury product. The ear cups are crafted from ruthenium -- a highly scratch-resistant, silvery-white element in the platinum group. The ear pads and headband are covered with extremely supple, dark-gray Ethiopian sheepskin. In short, they're beautiful to behold and to handle. Nor is the Edition 8s' high-end cachet only about their appearance -- most aspects of the technical design are different from other Ultrasone headphones. The 40mm-diameter, titanium-plated tri-bass-tube driver is a special version of the one used in Ultrasone's Pro 900 and Pro 2900 models. Ultrasone uses titanium in its top-of-the-line offerings for its stiffness, which helps the diaphragm to better track signals. Drivers for the Edition headphones are impedance-matched to within 0.4%, to ensure excellent balance between channels. Finally, each pair of headphones is hand-assembled at Ultrasone's headquarters in Tutzing, Germany.
As is often the case with headphones, the Edition 8s' specifications are a little vague. The frequency response is stated as 6Hz-42kHz, but with no tolerance given. On the other hand, since a ruler-flat measured frequency response is not generally regarded as desirable for headphones, specifying the response to be within ±xdB wouldn't make much sense. The nominal impedance is 30 ohms, which should work fine with the vast majority of headphone amplifiers and portables. Sensitivity is given as 96dB, but without any indication of the input voltage -- I would assume 1V, but I've also seen headphones whose sensitivity is cited in terms of 1mW. I tried driving the Edition 8s with everything from a portable radio powered by a single AA battery, to my laptop's soundcard, to an iPod, to well-designed headphone amps, and always got plenty of volume.
The two metal plates and the guts of the card. Notice the masking tape... uh... optical attenuator...
Mungil namun bersuara real Tabung & bisa juga menerima input dari PC/Laptop Soundcard/Ipod/Mp3 Player karena sudah tersedia Mini Jack input selain RCA input...hanya dengan Rp.700rb saja, di kamar/di kantor bisa berhawa tube tanpa terlihat .....hasil BT di markas Tubelover 6 Desember lalu telah membuktikan suara si mini ini mendapat score dari para juri lebih tinggi dari Tube 76 yg legendaris karya salah satu pakar Tube Audio Jakarta....Mini size & cheap but have High End sound ?....It's True.... It's not imposible.....
Sesi 7:
1. Preamp 27 (Arif W-Tubelover, Jakarta), skor 78.81
2. Preamp 6B6 (Ahin-Ilusi Audio, Bandung), skor 75.63
3. Preamp 6111 (Ado, Bekasi), skor 75.53
4. Preamp 76 (Jakarta),skor 75.22
5. Preamp B406 (Juned, Jakarta), diskualifikasi=Hum tinggi
People Choice: Preamp 27 (Arif W, Jakarta) dan Preamp
6B6 (Ahin, Bandung)
Software: Taste of Honey (Patricia Barber)
Juri: Arief Hidayat, Jimmy Auw, Ayung, Budiarto
made a nice small speaker box for my wife.
she wanted some small speakers she could use to listen to her favourite airplay music around the house/garden.
made a nice "handbag-design" for the speakers and fitted a raspberry-pi with wifi and a usb soundcard for better sound and the amplifier in it.
design was made by me in inkscape.
lasered out of 3mm plywood at the fablab nuernberg.
the raspberry pi runs after this instructable: www.instructables.com/id/raspbAIRy-the-RaspberryPi-based-...
Free 486 base unit for anyone who can collect from London SE13, UK.
50 throbbing megahertz of raw computing power can be yours.
Generic 486 PC base unit, needs new 3.6v CMOS battery. Stuck a tiny 100MB hard drive in it just to prove it starts up. Has keyboard, mouse, floppy drive, Soundblaster soundcard, 3com ethernet card, CD-ROM drive (will not boot from CD ROM though).
Seems to work but no proper OS installed, and without that CMOS battery you'll be typing numbers into the CMOS each time to get it to see the hard drive.
Sorry, monitor not included!
Would suit mad masochist trying to get some obscure Linux distro running on the lowest spec machine in the universe.