How to Capture a .Wav Recording of a Fax Transmission

Document ID:HO3838
 
  Properties  

Environment

Recording; Line activity; Measure line attenuation; line quality; phone line noise; Quality check; wma file

Solution

Overview

This article provides instructions on how to capture a fax transmission .wav file.
 

When to use

If members of the engineering staff are unable to determine the cause for the fax failure, a recording of the facsimile might be requested for submission and evaluation.
 

Coupler Connection Example

Connect the Omnicron™ LIC-100 isolation coupler to a logging recorder (PC) and the telephone circuit as shown in the connection diagram below.

 

 

 

 

Example Procedure with Microsoft's® Windows Sound Recorder

These instructions utilize Microsoft's Windows Sound Recorder.

Other acceptable freeware recorders for this purpose are available, such as:  

Step Action
1

 1. Open Windows Sound Recorder.

  • Windows 95: Start > Programs > Multimedia Sound Recorder
  • Windows 98, 2000, & XP: Start > Programs > Entertainment > Sound Recorder
  • Windows 7: All Programs > Accessories > Sound Recorder
2  Go to File> Properties> Convert Now and select these options:
  1. Format: PCM
  2. Attributes: 22,050 Hz, 8 Bit, Mono
3  Select Save As, and then name the file Fax Record. Click OK twice.
4  Press the Record button and let the Recorder run for 60 seconds.
5  After the Recorder has stopped, go to the File Menu and choose Save as. Name the file BLANK.WAV and save it.
6  To increase the recording time from the default maximum of 60 seconds, follow this process:
  1. Select the Edit menu.
  2. Choose Insert File and select the BLANK.WAV created in Step 5.
  3. This process increases the maximum recording time of Sound Recorder by 60 seconds. Repeat Step 6 to add one minute of record time. For example:
    For a five minute recording time, insert BLANK. WAV five times using Step 6.
7  Choose Insert File and select the BLANK.WAV created in Step 5.

 


Example Procedure with Audacity

 

Step Action
1  Run the Audacity program.
2  Go to Edit > Preferences.
3  A window titled 'Audio Preferences’ will open up.
  1. Under the "Audio I/O" tab, make sure that 'Channels'= '1(Mono)'.
  2. Under the "Quality" tab, make sure that 'Default Sample Rate' = '22050 Hz'.
  3. Under the "File Formats" tab, make sure that 'Uncompressed Export Format' = 'WAV (Microsoft 8 bit PCM)'.
4  Click OK to close window.
5  Press the Record button to start recording the call.
6  Press the Stop button to stop recording the call.
7  After completely recording the failing fax call, please save the wav recording by using the 'Export as WAV' option available under the File menu.

 

 

Related Articles

 Click here for the fax escalation checklist.

 



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