AJA io hd Installation And Operation Manual

Text of AJA io hd User Guide:

• AJA io hd, 32 Typical System Connections Typical Analog System System interconnections for a system with analog A/V sources are shown on the previous page. Your system may differ depending on VTRs, audio monitoring, and video monitoring. 1. If desired, connect your house reference sync to the Io HD Ref input connector (BNC). The Io HD Ref output connector can be connected to your VTR. Note: The Ref Output connector is not a loop-through—the input is terminated internally and buffered to the output. Both input and output R

• AJA io hd, 36 You can even access the AJA Control Panel application without exiting the application by first holding down the command key (Apple key) before mouse clicking on the AJA Control Panel application on the desktop. For this reason, it is useful to leave the AJA Control Panel application on the desktop while you work in applications and simply command click into it to access it if you are unsure of a setting or wish to make a change. Control Panel Basics Although the Io HD auto-detects the input format depending on the input presented, and the Control Panel intuitively sho

• 20 Uncompressed 10-bit 4:2:2 (SD) Data rate: 28 MB/second standard definition—external storage recommended Quality: Excellent, broadcast quality Capturing in an uncompressed format results in clearly defined video, and maintains the full raster size with 4:2:2 chroma sampling. Using an uncompressed format maintains high quality video from the capture stag

• AJA io hd, 1 I-1 Io HD Installation and Operation Manual — Index Symbols .pkg 25 Numerics 10-bit video 34 16 9 screen 44 24 frames-per-second to 30 conversion 55 24-30 FPS conversion 55 4 3 44 8-bit Versus 10-bit Video 34 A A/D (input) 15 A/V Devices 64 A/V Devices window 71 AC mains power 11 AC power 9, 30 AC power socket 16 AES/EBU 31 AES/EBU Audio Inputs 16 AES/EBU digital audio 13 airflow 30 AJA Data Rate Calculator 4 AJA DPXtoQTtranslator 4 AJA QTtoDPXtranslator 4 AJA System Test 4 AJA TV 4 Analog 4 Channel Balanced Audio 16 Analog 4

• AJA io hd, 6 Understanding Disk Storage Methods The Io HD with an Apple Mac Pro or Apple MacBook Pro and Final Cut Pro 6, along with a suitable storage system, offer an unprecedented level of features and performance for all audio/video production applications. However, to ensure performance and quality, the disk storage system used with the Mac Pro or MacBook Pro must be able to meet the demands of storing realtime uncompressed SD media and ProRes 422 HD media. There are a variety of system configurations and peripherals that can provide this level of performance. For uncompressed SD, AJA recommends

• 1 55 Io HD Installation and Operation Manual — Using The AJA Control Panel Timecode Tab Screen The timecode screen is used for both monitoring the RP-188 timecode embedded in the digital data stream and for selecting a timecode offset on output (if desired). Settings for the output section of the tab can be used to create window burn superimposed timecode ou

• AJA io hd, 1 1 Chapter 6: Troubleshooting 6 If You Run Into Problems One useful way to find the source of problems is to isolate your system to the smallest size where the problem still occurs and then note all the symptoms. This serves to eliminate areas not involved in the problem and make finding the problem easier. Once you’ve noted problem symptoms, look through the following table and see if any of the symptoms are listed. If so, check the items listed. If you later need to call for customer service, let them know all of the things you’ve tried and when and how the symptoms appeared. Table 6-1. Problem Solving by Matching Symptoms to Remedies Symptom C

• AJA io hd, 1 15 Io HD Installation and Operation Manual — Rear Panel A Note About YPbPr—Component Video, or YPbPr, has been given several names over time. YUV, Y/R-Y/B-Y, and YCbCr, are just some examples. Although these various formats have some differences in levels, they are all basically the same. Io HD uses the modern YPbPr terminology exclusively. Io HD supports three different types of YPbPr: SMPTE/EBU N10, Betacam (NTSC), and Betacam (NTSC Japan). These three formats differ in level only and are configured in Final Cut Pro within th

• AJA io hd, 58 IoHD Tab Screen AJA Control Panel, IoHD Tab IoHD Stand Alone Mode—while connected to the Mac, Io HD can be configured for a set of parameters and then disconnected from the Mac for use by itself as a stand-alone converter. An example would be using the Io HD in Stand Alone Mode as an SD to HD upconverter. To use the Io HD in this way, select the Io HD Stand Alone Mode pulldown from the Control tab screen. Next, select Current Setting or Factory Setting. Factory Setting is the factory d

• AJA io hd, 1 39 Io HD Installation and Operation Manual — Using The AJA Control Panel Conversion Icons—when an input or output is a different standard than the framebuffer then the Io HD may be upconverting, downconverting or crossconverting the signal to the proper standard. This may be automatic, because it's detected an input signal that differs from the standard currently selected, or because you've explicitly told it to convert. In either case, the block diagram will show the conversion by displaying a conversion icon in between the input/output and the framebuffer. In the case of cross-conversion, the type of crossconvert will be shown under the

• AJA io hd, 1 61 Io HD Installation and Operation Manual — Using The AJA Control Panel QuickTime Application—1st Priority If a running QuickTime application uses Io HD for capture or output, it controls the Primary format via its own menus and settings. For example, when Final Cut Pro is active (it’s the topmost application) and has Io HD as its “A/V Device”, then the Io HD's Primary format is determined by Final Cut's “Video Playback” submenu (under the “View” menu) or in its “Audio/Video Settings...”

• AJA io hd, 54 Conversion Tab Screen This screen offers a variety of controls that determine how the Io HD behaves under Final Cut Pro. AJA Control Panel, Codec Tab Conversion Tab Screen Settings Pause On—these two choices determine what happens when Final Cut Pro is paused in stop mode: Full Frame: both fields are displayed resulting in some jitter while paused. Single Field: a single field is displayed, showing no flicker (useful when color correcting or whenever the flickering would be a distraction). 3-2 Pulldown Pattern—after format selection, the value selected in this pulldown is used whenever you’ve chosen to do 24 frames-per-second to 30 conversion where extra fields are a

• AJA io hd, 8 Note: All of the following numbers are approximations based on 2 channels of 48kHz audio. More audio channels can increase data rates. AJA also provides a freeware application called the AJA Data Rate Calculator that can be used to help determine the amount of storage space and bandwidth requirements needed for a selected format, frame rate, audio setting and compression. The AJA Data Rate Calculator can be found in the AJA Utilities folder which installs in the Applications folder of the Mac OS. The AJA Data Rate Calculator application can also be downloaded from the AJA website and used on any OSX computer. In This Manual Chapter 1 is the introduction yo

• AJA io hd, 1 73 Io HD Installation and Operation Manual — Easy Setups for Typical Uses When editing a Device Control preset you can change the following: • Name and description of Device Control preset • Protocol for capture/playback VTR (for Io HD this will be RS422) • Audio Mapping • Time Source (LTC/VITC/both/etc.) • Port • Frame Rate • Default Timecode (Drop Frame etc.) • Capture/Playback Offsets (to correct for VTR versus Final Cut timing issues) • Handles/Pre-roll/Post-roll • Auto Rec

• AJA io hd, 50 Analog Out Tab Screen Io HD provides a high-quality analog component or composite + Y/C output, generally used for monitoring. This screen shows the current settings for that analog output, and allows you to re-configure it when desired (format). Radio buttons allow you to select primary or secondary format—which could enable up/down/ cross-conversion. Note: Composite and Y/C (S-Video) are only able to support SD signals, not HD. AJA Control Panel, Analog Out Tab Analog Out Tab Screen Settings Primary/Secondary—this pulldown selects whether the framebuffer format (Primary) or a conversion is applied to the analog output (Secondary). Analog

• 1 71 Io HD Installation and Operation Manual — Easy Setups for Typical Uses Capture Presets Editing Audio/Video Settings, Capture Presets Editing Window Note: Whenever a Preset is being copied as the basis of a new preset, always change the name and description to fit the new preset so users aren’t confused between it and the original. Frame Size—below the name and de

• AJA io hd, 1 21 Io HD Installation and Operation Manual — Workflow General Notes Workflow General Notes The previously discussed codecs are used in different ways based on project characteristics. Some codecs create very high-quality offline files at low data rates for projects that will ultimately be delivered in uncompressed format via an offline/online process. Other projects may use these compressed formats to create final masters. AJA provides Final Cut Pro Easy Setups with the Io HD, creating settings that can be used in a “capture once-use in many steps” type of process. For example, you might use the same files for editing, digital dailies for revi

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