Engineering Design NIDisk Betriebsanweisung PDF herunterladen (Seite 20)

SIGNAL/RTS APPLICATION NOTES

4 Application Note 10

measured by the increase in total harmonic distortion (THD) between the original and

resampled signals.

Operating Instructions

Transferring from DAT to SIGNAL

Following is a connection diagram for transferring sound material from the DAT recorder to

SIGNAL. Sample rates are shown in ()'s.

DAT

S/PDIF

output

DIO

board

Transfer

software

.WAV file

(44.1 or 48 KHz)

SIGNAL

(analysis,

Sample

rate

converter

.WAV file

(50 KHz)

SIGNAL

(analysis &

pla

back

)

playback*)

input

* = Playback at nearest available sample rate

Running under Windows, the digital data flows from the S/PDIF output on the DAT recorder

to the DIO board under control of transfer software such as Windows Sound Recorder or

equivalent, into a Wave file on the computer disk. Following are suggested operating steps:

1. Connect the S/PDIF output on the DAT recorder to the DIO board input.

2. Start Windows and launch Sound Recorder. Make sure that Sound Recorder can find the

DIO board and if necessary, set the Windows multimedia control panel to record from the

DIO board.

3. Start recording in Sound Recorder, then start playback from the DAT. Stop both after the

sound completes.

4. Save the recorded sound from Sound Recorder as a Wave file on disk.

5. Read the resulting Wave file into SIGNAL (using "R /W") or into the RTS (which will

detect the file type automatically) for viewing, analysis, or measurement.

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