Audacity - VoIP.ms Wiki

Audacity

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Audacity is a free, third-party open-source audio editing tool, useful in creating recordings for upload to the system.

These recordings, once uploaded, may be used as announcements in IVRs, calling queues, failover options or be used as a destination to which to route a DID number.

IMPORTANT: The sound file must be a non-compressed Windows .WAV sound file (extension .wav) with the format: PCM, 8kHz, 16 bits and Mono.
The recordings cannot be used for your Voicemail Custom Greeting, please refer to our Voicemail page for how to set this properly.

Contents

Download and installation

Audacity

Audacity is available for Windows, Linux PC and Macintosh computers; it may be downloaded freely at http://audacity.sourceforge.net/download/windows

Most Linux distributions include Audacity, which can be installed automatically from the package manager (usually "apt-get install audacity" or "yum install audacity").

Recording

Your recorded audio is now ready to be edited or saved.

Editing

Audacity has a wide range of capabilities, many of them overkill for simple IVR recording tasks or intended as special effects for editing music. A full manual is online at http://manual.audacityteam.org/o/ — here is a short introduction to a few commonly-used tasks:

Trim a recording
Cut, copy and paste
Concatenate two or more recordings

There are libraries with various stock phrases and standard announcements on http://downloads.asterisk.org/pub/telephony/sounds — these messages (two huge gzip archives, asterisk-core-sounds-en-wav-current.tar.gz and asterisk-extra-sounds-en-wav-current.tar.gz) are available in the correct format for the system but by design one often needs to concatenate or copy-and-paste multiple messages, such as:

to identify individual extensions or individual error conditions. For these concatenations, audio editing software is invaluable.

Export and upload

To save your recording in non-compressed Windows .WAV sound file (extension .wav) with the format: PCM, 8kHz, 16 bits and Mono:

To upload a recording, login to the customer portal and go to DID numbers → Recordings.

Recording2.JPG

When you upload a new recording, the system can take up to 60 seconds to propagate this recording to all VoIP servers. It will not be playable until this process is complete. See Recordings for more information on using recordings once they have been uploaded to the system.

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