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Chapter 5

Editing

5.1 Introduction
5.1.1 Copy
5.1.2 Erase
5.1.3 Read/Write
5.1.4 Convert Encoding or Amplitude

5.1 Introduction

The editing functions let you access and modify data in a voice object without actually playing or recording. You can open a file and edit it without needing a voice board.

The Voice Message service provides functions for the following editing tasks:

5.1.1 Copy
If you want to...

 Then use...

Create or replace a message in a destination object with a copy of a message in a source object

 vceCopyMessage

The vcecopy demonstration program demonstrates copying messages from one voice file to another. Refer to Section 9.2.1, Voice File Copy/Convert Program: vcecopy for more information.

5.1.2 Erase

The following table lists when to use the erase functions available in the CT Access Voice Message service:

If you want to...

 Then use...

Remove an entire message from a specified voice object by changing the message size to zero (0)

 vceEraseMessage

Remove a specified number of milliseconds of data at the current position in the current message

 vceErase

5.1.3 Read/Write

The following table lists when to use the read/write functions available in the CT Access Voice Message service:

If you want to...

 Then use...

Read data at the current position in the current message

 vceRead

Write data at the current position in the current message

 vceWrite

5.1.4 Convert Encoding or Amplitude
If you want to...

 Then use...

Change the encoding format or the amplitude of a message

 vceConvertMessage


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