Alesis ADAT-XT Recording Digital Audio, Bouncing Tracks Between Adats, Making Digital Backups

Page 63

Multiple ADAT-XT Operation: Chapter 5

RECORDING DIGITAL AUDIO

BOUNCING TRACKS BETWEEN ADATS

 

Tracks can be bounced between machines in a multiple ADAT system by using the

 

digital bus. The digital bus is connected in much the same way as the sync cables,

 

and should be done in the same order. Refer to the section entitled Digital In/Out on

 

page 27 in chapter 3 for more information on connecting the digital bus. It is also

 

possible to bounce tracks within a single XT without the need for connecting the

 

digital bus. See page 38 in chapter 4 for more information.

 

If the [DIGITAL INPUT] button is pressed, the XT will record from the [DIGITAL IN]

 

connector, and the analog inputs will be ignored (both balanced and unbalanced).

 

Alesis’ proprietary multi-channel digital bus carries the 8 tracks of a source XT or

 

ADAT. These 8 channels are routed in a one-to-one relationship to the 8 tracks of the

 

target XT which can record the digital audio.

 

Note that to create an exact (sample-accurate) digital copy from a master to a slave,

 

both master and slave machines must have their [DIGITAL INPUT] button’s enabled.

 

This is necessary so that the master knows you are making a digital copy and will

 

offset its digital output so that it matches that of the slave machine.

J

If [DIGITAL INPUT] is selected and there is no optical input, the DIGITAL icon

(located in the INPUT icon group) will flash.

 

When bouncing audio from a master XT to a slave XT, the slave does not need to

 

have its Clock set to DIG since it is already getting accurate clock information from

 

the master, so it is sample-locked to the digital audio it is recording.

 

REASSIGNING CHANNELS TO DIFFERENT TRACKS

 

It is possible to reroute the channel/track assignments so that any incoming channel of

 

digital audio can be recorded onto any track, or multiple tracks. This is done by first

 

holding the [DIGITAL INPUT] button and pressing any of the RECORD ENABLE

 

buttons [1] – [8] to select which source channels you wish to record (while holding the

 

[DIGITAL INPUT] button, the blue INPUT LEDs will light to indicate the selected

 

source channels; by default, all eight INPUT LEDs will be lit). Then, after releasing the

 

[DIGITAL INPUT] button, use the RECORD ENABLE buttons to select the tracks you

 

wish to record the source channels onto (the INPUT LEDs return to their normal

 

status).

•The selected source channels are re-routed to the record-enabled destination tracks, in ascending order. Example: If source channels 1 and 5 are selected and tracks 3 and 4 are record enabled, then incoming audio on channel 1 will be routed to track 3 and incoming audio on channel 5 will be routed to track 4.

•If more destination tracks are selected than source tracks, the source tracks will repeat (cycle). Example: If tracks 7 and 8 were added to the destination tracks of the previous example, then incoming track 1 would be routed to tracks 3 and 7 and incoming track 5 would be routed to tracks 4 and 8. This scheme allows for copying a single incoming channel to multiple tracks.

•If all 8 channels are selected as source tracks, no digital routing will occur as this gives a one-to-one relationship (and is the power-on default). If no source channels are selected, then digital silence will be input to any record-enabled tracks.

MAKING DIGITAL BACKUPS

ADAT XT Reference Manual

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Contents Alesis ADAT-XT Introduction Adat XT Reference Manual Conventions Adat XT Reference Manual Contents Basic Operations Analog Recording Basics Digital Recording Basics Why S-VHS? Index Maintenance/Service Cleaning Obtaining Repair Service Chapter Setting UPAC Power Hookup Unpacking and InspectionSetting Up Line Conditioners and Protectors About Audio CablesInput Normaling Basic Audio HookupWord on ADAT’S S-VHS Cassette Tape Threaded VS. UnthreadedAvoiding Electromagnetic Interference Operating EnvironmentThermal Considerations in Rack Mounting Mounting on a Shelf or NON-RACK EnclosureABS n0 F0 POWER-UP,AND Tape InsertionYour First Session ABS 0H 15M 48SRecording While Formatting Formatting a Tape a MustSample Rate Selection Formatting a NEW TapeMaking a Recording Track Selection and Setting LevelsTo record-enable a track REL 0H 01M 29SRecord LED turns off, while the Play LED remains lit Transport ButtonsRecording To make a recordingReviewing and Cueing To engage Review modeTo engage Cue mode PlaybackLocating REL 0H 00M 00SPage To loop a section of tape Creating a LoopMeasure twice or more, and cut only once Automated RecordingRehearsing To automatically punch in and outPitch Control Track DelayABS 00 % 00 C 70 mSTo bounce audio from one track to another To adjust the display brightnessTrack Copy Display BrightnessAnalog Audio Unbalanced Outputs Input Jack CharacteristicsConnections Analog Audio Unbalanced InputsAdditional grounds Analog Audio Balanced Inputs and OutputsInput Mode Analog Audio Input ModeTo synchronize multiple XTs and/or ADATs Sync IN/OUTTo connect the digital optical network Digital Audio IN/OUTVersa FootswitchesRehearse and Auto Record features XT RemoteComplete Format Basic OperationsTape Formatting Formatting ConsiderationsBe sure the tape is completely rewound Format ExtendTo extend the format on a partially formatted tape ABS Pr 0t 0 FFABS Pr 0t 0 n Write Protect OverrideReading the Display Display Icons Basic Operations Selected 01M 29STime Counter & ABS/REL Button LocateEditing Individual Digits Basic EditingEdit Value Button Entering Numeric ValuesTrack Copy Input SelectAnalog Input Digital InputBasic Operations Input Monitor Auto Input MonitorALL Input Monitor Recording a Benchmark T APE Peak Mode ButtonFine Meter Mode MetersSetting Levels Record EnableFast Forward /CUE Transport ControlsEject Rewind /REVIEWTo start recording RECORD/PUNCH in or OUTStop Whether the tape being played is formatted or notTo select the sample rate Sample Rate ClockRecord Crossfade Time Positions as beforeFA dE 2 Displaying Frames VS THS/SECONDSTo set the Crossfade Time About Pitch Changing 10 mS To turn Track Delay on and offTo set the Track Delay amount To set multiple tracks to the same Track Delay valueAutolocation Controls Absolute ABS Time VS . Relative TimeLocate To edit a Locate Point memory Setting Locate PointsLocating To store a Locate Point memory on the flyLoop Limit Auto LoopingAuto Return Auto PlayRehearsal Auto RecordTape Length Looped RecordingTo set the tape length European equivalents and approximate recording timesErroneously selected, to avoid damage to the tape Footswitch Controls Footswitch Controlled PunchingFootswitch Controlled Autolocating Using the XT Remote Operation OverviewSynchronizing Machines Achieving Lock Master /SLAVE InteractionFormatting Multiple Tapes Independent Slave ModeMaster Format ENABLED, Complete Format Master Format ENABLED, Format ExtendMaster Format Disabled Master Format DISABLED, Format ExtendBefore punching into format record Reassigning Channels to Different Tracks Making Digital BackupsRecording Digital Audio Bouncing Tracks Between AdatsRecording Digital Audio from Other Sources To make a backup tapeDigital Clock Considerations Tape OffsetABS 0H 00M 00S Setting the Machine OffsetInput Monitoring Combining XTS and AdatsXT Transport Speed Sample Rate VS. Pitch ControlHere are some possible solutions Polarity DifferencesConnections Multiple ADAT-XT Operation Chapter Multiple ADAT-XT Operation Adat XT Reference Manual Combined MULTITRACK/MASTERING Deck ApplicationsLIVE/LONG-TERM Recording Midi Systems Virtual Tracking Midi Machine Control Virtual Remote ControlLocking to Video Code only Master Computer ControlModular Recording Libraries and ArchivesCalculating Tape Offset Using the Locates Using Track Copy AS a Digital RouterPress Edit VALUE, then press Locate Appendix a Digital Recording ConceptsAnalog Recording Basics Digital Recording BasicsWHY S-VHS? Appendix B TroubleshootingTROUBLE-SHOOTING Index RE-INITIALIZINGABS d1 SP r E9 Error Rate DisplayAbout Error Rate Readings ABS d1 SP E rrAdat Head Maintenance Drum Time Display Tape Maintenance Safe TapeMAINTENANCE/SERVICE CleaningCustomers in the USA MaintenanceObtaining Repair Service Refer ALL Servicing to AlesisAppendix B Troubleshooting Appendix C Error CodesAutomatic Brake Calibration Procedure Specifications Steps to Take Before Calling for HelpAppendix D Audio Digital Inputs/Outputs Or Analog-to-Digital Converter GlossaryDAT BusMMC MidiSMPTE/LTC OutputVitc VHSIndex Index Adat XT Reference Manual
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