Sound Devices 722 User Manual And Technical Information
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Sound Devices 722 User Manual And Technical Information

High resolution digital audio recorder
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722
High Resolution Digital Audio Recorder
User Guide and Technical Information
fi rmware rev. 2.40
Sound Devices, LLC
300 Wengel Drive • Reedsburg, WI • USA
+1 (608) 524-0625 • fax: +1 (608) 524-0655
Toll-Free: (800) 505-0625
www.sounddevices.com
1.8" HDD
2.5" HDD

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  • Page 1 High Resolution Digital Audio Recorder User Guide and Technical Information fi rmware rev. 2.40 1.8" HDD 2.5" HDD Sound Devices, LLC 300 Wengel Drive • Reedsburg, WI • USA +1 (608) 524-0625 • fax: +1 (608) 524-0655 Toll-Free: (800) 505-0625 www.sounddevices.com...

  • Page 3: Table Of Contents

    722 User Guide and Technical Information Table of Contents Quick Start Guide ......3 File Naming / Numbering .
  • Page 4 LLC. SOUND DEVICES is not responsible for any use of this information. SOUND DEVICES, LLC shall not be liable to the purchaser of this product or third parties for damages, losses, costs, or expenses incurred by purchaser or third parties as a result of: accident, misuse, or abuse of this product or unauthorized modifi cations, repairs, or alterations to this product, or failure to strictly comply with SOUND DEVICES, LLC’s operating and installation instructions.

  • Page 5: Quick Start Guide

    722 User Guide and Technical Information Quick Start Guide The 722 is an extremely powerful and fl exible portable audio recorder. Before recording, familiarity with the product is essential. Several settings should be verifi ed or set based on individual recording needs.

  • Page 6: Routing Inputs To Tracks

    Recording Now that fi le basics are set, you are ready to begin recording. The 722 is a record-priority box. Press- ing the record key cancels all functions—except fi le operations—and immediately starts recording a new fi le. When record is pressed, the red record LED illuminates to confi rm record mode. The fi...

  • Page 7: Firewire File Transfer

    fi les, including renaming fi les, copying, and playing directly from the 722 storage medium. No driv- ers are required with operating systems meeting the specifi cations. In general, it is good practice to copy all needed audio fi les from the 722 to a computer before any process- ing is performed on the fi les.

  • Page 8: Front Panel Descriptions

    722 User Guide and Technical Information Front Panel Descriptions All settings of the 722 can be accessed and monitored through the front panel LCD and navigation keys. This allows the unit to be placed in a production bag along with fi eld mixers and wireless transmitters and receivers.
  • Page 9 722 User Guide and Technical Information Power Key Fast Forward Key Press and hold to power up the 722. Performs fast-forward (FF) scrubbing Press and hold to power down. through the played fi le when pressed in playback and play-pause mode. Play- Charge LED pause indicated by fl...

  • Page 10: Panel Lock

    Panel Lock Press and hold the backlight key then the tone key to bring up the front panel Button Lock Screen. Button lock prevents unintentional changing of settings or record status. The 722 displays any but- ton lock options enabled.

  • Page 11: Lcd Display Descriptions

    Bar graph indicates amount of record Alternating display between the set date time remaining on the CompactFlash and time of the 722. This information is media. Numbers show time in hours written as the creation and modifi cation and minutes based on the presently se- date for generated audio fi...
  • Page 12 Input 1/2 Level External Digital Clock Indicator When control knobs are adjusted, indi- The 722 is locked to a valid external cates the gain level in dB for each analog digital or word clock source when the L input gain control. Top display is input is in the display.

  • Page 13: Left Panel Connectors And Controls

    Headphone Volume Selects the input level and mode of the Adjusts the headphone volume. NOTE: input XLR 1 connector. the 722 is capable of producing ear-dam- aging levels in headphones. Mic-Line Input Switch 2 Tape Output Selects the input level, mic- or line-level of input XLR 2.

  • Page 14: Right Panel Connectors And Controls

    722 User Guide and Technical Information Right Panel Connectors and Controls AES3id Input External DC In Unbalanced digital input accepts two Accepts sources of 10–18 volts DC for channel AES3 (or S/PDIF) on BNC con- unit powering and removable Li-ion nectors.

  • Page 15: Back Panel Descriptions

    722 User Guide and Technical Information Back Panel Descriptions Security Slot Battery Mount Compatible with the Kensington ® Secu- Accepts Sony ® InfoLithium L- or M- rity Slot specifi cation. Useful for secur- Series removable rechargeable batteries, ing the recorder to a fi xed object with a or batteries conforming to this mount.

  • Page 16: Input Setup And Control

    722 User Guide and Technical Information Input Setup and Control The 722 has two inputs and two record tracks. Inputs are selectable between analog or digital sourc- es. Analog inputs are connected with the balanced XLR connectors; digital inputs can be connected to either XLR Input 1 (AES3) or the BNC input (AES3id).

  • Page 17: Input Linking (Stereo Or Ms Decoding)

    722 User Guide and Technical Information limiters will prevent unusually high input signal levels from clipping the analog input stage of the preamp. The front panel LIM LED ( ) shows that the limiter is engaged. Limiter activity is indicated by additional front panel LEDs, one for each input channel ( ).

  • Page 18: Digital Input - Aes3

    722. The 722 clocks itself to the fi rst digital signal presented to it. If the 722 detects a digital signal on the BNC inputs and locks to that signal, a digital signal applied to the XLR input will be ignored until the fi...

  • Page 19: Input-To-Track Routing

    Input-to-Track Routing The 722 uses a fl exible routing scheme to assign inputs and tracks for recording. The input matrix allows any input to be routed to any recording track. Multiple inputs can be routed to a single track to create mono-mixed recordings.

  • Page 20: Selective Input Muting

    722 User Guide and Technical Information To assign custom input routing: Press the input key until Input Routing is displayed in the LCD display. arrow indicates high- lighted input is assigned to highlighted track select to exit menu and apply selected routing...

  • Page 21: Sampling Rate And Bit Depth

    • 48.048kF -fi le stamped at 48 kHz Bit Depths The 722 records at bit depths of either 16 or 24 bit. 24 bit recording provides greater dynamic range and addition headroom for signal peaks relative to 16 bit recordings. 24 bit recording (versus 16 bit) is a signifi...

  • Page 22: Word Clock

    16 bit, meaning the least signifi cant 8 bits are discarded. Once a fi le is recorded its sampling rate and bit depth can not be changed in the recorder. The 722 does not perform sample rate conversion or bit depth changes. File conversion must be done in another en- vironment, such as an audio workstation.
  • Page 23 722 User Guide and Technical Information When linked, 7-Series recorders have a master/slave relationship. The master recorder and the slave unit will share sample accurate start and stop record times. Multiple units can be daisy-chained together to record many tracks. The C. Link protocol links carries the following data: •...

  • Page 24: Outputs - Analog And Digital

    Outputs – Analog and Digital The 722 has two discrete output buses , the Analog Output Bus (Bus 1) and the Digital Output Bus (Bus 2). Each side (left and right) of the two-channel buses are assigned their audio sources indepen- dently, enabling the 722 to feed multiple audio devices with unique program content.

  • Page 25: Headphone Output

    722 User Guide and Technical Information Headphone Output The 722 headphone output is a fl exible tool for monitoring audio in the fi eld. The 722 allows the user to monitor inputs, tracks, and post-record tracks in a number of combinations. MS stereo monitoring is also available in headphones.

  • Page 26: Ms Stereo Monitoring

    (backlight) key at any time. If DONE is pressed in the fi rst headphone slot, the 722 will select a single option (Tracks A, B) for head- phone monitoring. The 10 factory presets will be erased.

  • Page 27: Headphone Playback Mode

    Headphone Warning Tones The 722 can generate an audible beep, or warning “bell”, in the headphones when an error has oc- curred. The specifi c error will be reported on the LCD. The output level of the warning bell is menu- selectable from off to –12 dBFS in the setup menu.

  • Page 28: Meter Ballistics

    300 mS. While giving a very good visual indication of perceived loudness, VU meters gives poor information on actual signal peaks and are virtually useless for tracking to the 722. In VU mode, the front panel meter labeling is in volume units.

  • Page 29: Tone Oscillator

    722 User Guide and Technical Information Input Peak The 722 has a peak LED associated with each input. These LEDs illuminate when input signal reaches –3 dBFS. There is no user-adjustment to the Input Peak LEDs. These LED’s also function as...

  • Page 30: Recording

    The largest, most easily accessed control on the 722 is the record key. Recording takes priority over all activity except for disk formatting, disk speed tests, and fi le transfers. The 722 will immediately enter record mode whenever the record key is pressed. When recording, the adjacent red LED will illuminate to indicate that the unit is in record mode.

  • Page 31: Playback

    Rotary Switch and press play. AutoPlay The 722 can be set to play back all (playable) audio fi les in a folder. Files will play back in their order in the folder. Autoplay can be set with the following options: •...

  • Page 32: .Mp2

    • limits your sampling rate to 48 kHz • limits your bit depth to 16 bit • limits recording to only one storage medium at a time The chart below indicates the limitations of all fi le types available on the 722. File Bit Depth...

  • Page 33: Recording Time Calculation

    The chart above shows recording time available with the 722. Time is expressed in hours per track (track-hours) at the specifi ed data rate supported by the 722. If recording two tracks, divide the track hours fi gure by two. Note that the 722 supports additional sample rate/bit depth combinations, however, only the most common are included below.

  • Page 34: Mp3 Compressed Record Time In Hours

    1185 The chart above shows recording time available with the 722 when recording to an MP3 fi le. Time is expressed in hours at the specifi ed MP3 supported by the 722. Note that all recordings are two- channel recordings.

  • Page 35: File Naming / Numbering

    722 User Guide and Technical Information File Naming / Numbering Files generated by the 722 are named using a syntax made up of four parts: scene number, take num- ber, mono track designator (if mono fi le is selected), and extension.

  • Page 36: Take Numbers

    Duplicate File Names When the 722 detects that a duplicate fi le name is going to be generated in any specifi c folder, the 722 changes the fi le name by adding of a letter suffi x before the extension. For instance, if take numbers are reset but fi...

  • Page 37: File Management

    722 User Guide and Technical Information File Management The 722, like a computer, saves audio recordings to a fi le system containing fi les and folders. The 722 formats its internal hard drive, CompactFlash medium, and attached external drives as single drives named “722 INDD”, “722 CF”, and “722 EXTHDD,”...

  • Page 38: File Viewer Navigation

    fi les and folders. The top line displays the folder path in the form of media\folder name. File names are listed in the order they were recorded. Data fi les not native to the 722 will not show in the File Viewer, although folders that they occupy will be visible.

  • Page 39: File Time And Date

    File Time and Date Similar to a computer fi le system, all fi les recorded by the 722 are stamped with the time and date of fi le generation. To ensure that accurate time-of-day and fi le generation dates are written for each fi le, make certain that the time-of-day clock and calendar are accurately set.

  • Page 40: Setting/Clearing Flag Bits

    Error Conditions: If a fi le is to large for the destination medium, the 722 will give you the option to skip the it or cancel copying. If an error occurs during fi le copying, the 722 will prompt to cancel the transfer. When the destination medium is full, the 722 will report the error and end the transfer.

  • Page 41: False Take Control

    722 User Guide and Technical Information Press the HDD button to enter the File Viewer. Navigate to the fi le to be deleted. Press the soft key marked OPTIONS. Select DELETE. You will be prompted to verify fi le deletion.

  • Page 42: Take Number Incrementing

    722 User Guide and Technical Information Take Number Incrementing To advance to a higher take number hold the STOP button and press FastForward. The fi le name to be recorded is indicated above the fi le time. Indicates Indicates next...

  • Page 43: Storage Medium - Internal Drive

    fi les present on the medium. This reduces possibility of corruption and reduces the possibility of fragmented audio fi les. Be certain that all fi les on the 722 drive have been backed up to another media before formatting. Once formatted, all data on the drive will be erased.

  • Page 44: Media Repair Utility

    Media Repair Utility Included in the software for the 722 is a basic media repair utility. The utility is similar to Windows “scandisk” with added capabilities specifi c to WAV fi les. This utility can be run after improper media removal, or in the event of a write error during recording.

  • Page 45: Drive Failure

    The mechanical construction of the 722 is designed to minimize the transmission of shock to the hard drive. The drive is isolated from the chassis using special shock-reducing closed-cell foam. This material increases the amount of shock the hard drive can withstand.

  • Page 46: Storage Medium - Compactflash

    CompactFlash (CF) is a practical, portable storage medium for audio recording. Its speed, reliability, and price continue to evolve to the benefi t of portable recorders. The 722 can write to and read from CF as either its sole recording medium or simultaneously with the internal hard drive.

  • Page 47: Drive Repair

    SanDisk, and Kingston Technology cards in capacities from 128 MB and above will successfully operate in the 722. The unit will support up to 2 TB of data. It is not feasible for Sound Devices to test all available CF cards for compatibility or maximum throughput with the 722. Use the CF transfer speed test to verify that an installed card can support the needed read/write speed.

  • Page 48: Firewire Bus Powering

    722 User Guide and Technical Information After recording to an external drive has stopped, it may take several seconds for the 722 to fi nish “house- keeping” on drive. This is especially true when recording to DVD-RAM disks, which generally have slower throughput than hard drives.

  • Page 49: File Transfer - Firewire

    The 722’s FireWire (IEEE-1394) port makes transferring of recorded fi les to a computer quick and easy. When connected to a computer, the internal hard drive and CompactFlash card of the 722 will mount to a Mac OS X or Windows computer as a local, removable mass storage volume. Using Mac Finder, Windows Explorer, or any other fi...

  • Page 50: Powering

    722 User Guide and Technical Information To disconnect the 722 from FireWire: Make certain that any software applications that reference the 722 drive are closed and that all fi le copy functions to and from the 722 have completed. In Mac OS X highlight the drive icon on the desktop and select -e to eject the volume.

  • Page 51: External Powering And Battery Charging

    DC source the power LED and battery voltage dis- play fl ashes, to alert the user. When the external DC reaches 9 volts, the 722 will automatically switch over to the removable battery. If no battery is installed the unit will shut down.

  • Page 52: Auto Functions With External Powering

    The best determination of your run time is to experiment with a given record- ing setup. The 722 power consumption varies over a range between 4 W to 20 W (12 volts), depending on ac- tive functions. The following functions have the most signifi cant affect on power consumption: Inputs Active analog inputs increase power consumption.

  • Page 53: Firmware Upgrades

    Transfer the fi rmware fi le (it will be named version _ number.prg) to the 722 internal hard drive via FireWire or onto a CF card. If there are multiple fi rmware fi les on the media, the 722 will select the fi rst fi...

  • Page 54: Cl-1 Remote Control And Keyboard Interface

    PS/2 compliant computer keyboards and enable external devices to control the 722. When us- ing the CL-1, front panel controls and menu selections on the 722 can be mapped to keyboard short- cuts, allowing for full keyboard control of the recorder. Additionally the CL-1 has contact closures for programming remote inputs or outputs.
  • Page 55 Goes to the end of the string being edited Assignable Shortcuts Keyboard shortcuts can be programmed to control nearly every function on the 722. Shortcuts can select and change menu items with a simple key strokes. Combinations of computer keyboard func- tion keys, along with Control-, Alt-, and Shift- can also be programmed.

  • Page 56: Logic Inputs And Outputs

    722 User Guide and Technical Information Select an unassigned shortcut number for programming. If a duplicate key sequence is selected the low- est shortcut number action takes place. The example below shows the F1 key being reprogrammed. After selecting a key sequence select the desired Setup Menu item or action. The example below shows the reprogramming of the F1 key to change the sampling rate to 48048.

  • Page 57: Logic Inputs

    722 User Guide and Technical Information Logic Inputs Confi gured as a switch-closure input, a pin can be connected to a switch that a user has wired to assigned contact. This switch can then trigger the 744T to begin recording. Other functions can be assigned as well from the Setup Menu.

  • Page 58: Setup Menu Presets

    The 722 has four built-in presets and unlimited user presets. Built-In Presets The 722 is shipped from the factory with the factory preset applied. Its settings are listed below. Three additional presets, fi lm, reporter, and music presets allow for quick setup of typical param- eters for the defi...
  • Page 59 722 User Guide and Technical Information Factory Film Reporter Music 722 Presets Preset Preset Preset Preset Input 2: Delay 0 usec 0 usec 0 usec 0 usec File: Marker Mode New File New File New File New File File: Max Size 2G CF (1.8 GB)

  • Page 60: User Setups

    All of the set parameters in the table above can be saved in a fi le to internal hard drive or to CF card. By entering the Get/Save Setup Menu, the user can save or retrieve parameters to a data fi le. This binary fi le is named 722.SUP and is saved in the SOUNDDEV folder on the selected medium. firmware v. 2.40...

  • Page 61: Setup Menu

    722 User Guide and Technical Information Setup Menu The setup menu controls a wide range of parameters for the 722, including all audio routing and re- cording settings. The setup menu is a single, fl at architecture with no sub-menus, easing navigation.
  • Page 62 • Either scene or daily - takes reset on either change Rec: Pre-Roll Time Selects the amount of pre-roll time the 722 will 0–10 sec. @ 48 kHz add to the beginning of each file. 0–5 sec. @ 88.2–96.096 kHz 0–2 sec.
  • Page 63 File: Max Size Selects the file size where the 722 will close, • 4 GB CF (3.6 GB) then start a new file. The 722 will not record a • 2 GB CF (1.8 GB) file larger than the selected size.
  • Page 64 Selects the date syntax of the recorder. • mm/dd/yy • dd/mm/yy Time/Date: Set Sets the internal date and time of the 722. <time, date> Resetting the time re-jams the internal time Clock is not set until <done> is selected code generator to the set time. Setting the internal clock during a production day will require time code devices to be re-jammed.
  • Page 65 722 User Guide and Technical Information Setup Name Setup Description Setup Options HP: Favorite Mode Selects the audio source monitored when the Inputs 1,2 Rotary Switch is pressed during recording or Tracks A,B playback. Monitor A,B Input 1,1 Input 2,2...
  • Page 66 CL-1. • German • French CL-1: Re-program The CL-1 has its own firmware which is supplied from the 722. This utility updates the CL-1 firmware. CL-1: Logic Out Assign Each logic output pin can be assigned to go • Undefined high when the unit is in the selected mode.

  • Page 67: Setup Menu Shortcuts

    722 User Guide and Technical Information Setup Menu Shortcuts The Setup Menu can be quickly navigated using the Rotary Switch to move up and down through the menu. Additionally, shortcuts, or “breadcrumbs” can be placed on often-used menu items. A breadcrumb is set by holding the play button when at a selected menu item.

  • Page 68: Front Panel Button Shortcuts

    722 User Guide and Technical Information Front Panel Button Shortcuts To speed navigation the 7-Series has numerous navigation “shortcuts”. For combinations, hold down the fi rst identifi ed key and continue to hold while pressing the next keys. Function Key Sequence...

  • Page 69: Specifi Cations

    722 User Guide and Technical Information Specifi cations System Sampling Frequency internal: 32, 44.1, 47.952, 48, 48.048, 88.2, 96, 96.096, 176.4, 192 kHz external: 32–192 kHz via word clock input Internal Data Path and 32 bit, 192 dB dynamic range...

  • Page 70: Dimensions And Weight

    722 User Guide and Technical Information Output Analog Line Output Clipping +20 dBu minimum, 10k ohm load Level Attenuation & Resolution 0–40 dB, 1 dB increments Output Topology Line: fully electronically-balanced, RF, ESD, short, and overload protected; pin-2 driven hot, pin-3 driven cold;...

  • Page 71: Connector Pin Assignments

    722 User Guide and Technical Information Connector Pin Assignments Each connector type, electrical characteristics, and pin assignment is shown below. Connector Pin Assignments Notes 1 – ground 7.5k ohm input impedance, mic level (Analog Inputs) 2 – signal (+) 20k ohm input impedance, line level 3 –...

  • Page 72: Accessories

    CS-442, CS-302, and CS4W mixer bags XL-1A (sold as pair) • TA3F to TA3F cable, used to connect the direct outputs of the a Sound Devices 442 mixer to the channel 3/4 analog line-level inputs XL-2 (sold as pair) •...

  • Page 73: Ce Declaration Of Conformity

    According to ISO/IEC Guide 22 Sound Devices, LLC 300 Wengel Drive Reedsburg, WI 53959 USA declares that the product, 722 Professional Digital Audio Recorder is in conformity with and passes: 89/336/EEC EMC Directive EN55103-1, 1997 EMC-product family standard for audio, video, audio- visual and entertainment lighting control apparatus for professional use.

  • Page 74: Software License

    Sound Devices, LLC product, even if Sound Devices, LLC has been advised of the possibility of such damages.

  • Page 75: Warranty

    Telephone: +1 (608) 524-0625 / Toll-Free in the U.S.A.: (800) 505-0625 Fax: +1 (608) 524-0655 Sound Devices cannot guarantee that a given computer, software, or operating system confi gura- tion can be used satisfactorily with the 722 based exclusively on the fact that it meets the minimum system requirements.
  • Page 76 722 rev. 2.40- Printed in U.S.A.

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