This chunk contains the letters 'RIFF' in ASCII form. The typically canonical WAVE format starts with the RIFF header: Field A WAVE file is often just a RIFF file with a single “WAVE” chunk which consists of two sub-chunks, a “fmt” chunk specifying the data format and a “data” chunk containing the actual sample data. A RIFF file starts out with a file header followed by a sequence of data chunks. The WAVE file format is a subset of Microsoft’s RIFF specificaiton for the storage of the multimedia file. When doing the project on speech recognition, the test audio data for voice processing utilizes WAVE PCM file.įor quickly recapping the concept of WAVE PCM formay and avoiding to forget bit and pieces of this knowledge, I recorded this relevant information in this post.

How to Configure IVR / Auto Attendant.

Learn how to Localize Audio Prompt Sets.

“Settings” > “Music on Hold” - update the on-hold music or playlist.

“Settings” > “System Prompts” - more info on How to Localize Audio Prompt Sets.“ Call Queues ” - upload converted audio files for intro prompts and on-hold music.“ Digital Receptionist ” - upload converted audio files in IVR menus.To upload the exported file(s) via the 3CX Management Console, go to: set “Save as type” to “WAV (Microsoft) signed 16-bit PCM”.enter a name for the file to export (file names must be in a latin character set),.Click on the “X” button in the audio track properties to remove the second track. If you are using a stereo file, click on the audio file name in the track editor and select “Split Stereo to Mono”.Change the “Project Rate (Hz)” on the bottom status bar to 8000, i.e.This example is based on a stereo audio file with 44.1 kHz bit rate.

You can see the audio track properties of the current file on the left side.

Open Audacity, click on “File” > “Open” and select the file you want to convert.

To convert an audio file using the free Audacity audio editor:

After the conversion finishes, click on “Download” to save the converted audio file.📄 Note : You may need to solve a CAPTCHA test for verification purposes. Drag-and-drop the audio file in the upload area or click on the image to select and upload.Convert to Wav with the 3CX Online Audio ConverterĪutomatically convert an audio file to the appropriate format with the 3CX Online Audio Converter: You need to convert to this format any prompts for IVR, Queues and custom system prompt sets. Convert to Wav with the 3CX Online Audio ConverterģCX allows you to import audio files in this format to use as the system prompts:.

Wav pcm format