This information is only applicable to calls, not other types of interactions. |
Many of the applets in an interaction plan play audio files to the caller. Types of audio files include announcements, music, whispers, and prompts that IVR applets play to tell the caller which key to press to select a specified menu item, for example.
If you want to record your own audio files, to ensure the quality of your recordings, follow these basic rules:
When you have finished recording your audio files, you must prepare the files for use in Vonage Contact Center. To prepare the files, using recording software, perform the following tasks:
Back up your original recordings
Remove leading and trailing silence
Normalize the recorded sound volume
Automatically level the volume (compress the dynamic range)
Convert the file as described in the following table:
Setting | Details | Required or recommended |
---|---|---|
Sample rate | 8 kHz | Required |
Sample depth | 16 bit | Required |
Recording gain | Adjust the recording gain to just below the red scale to avoid recording at full volume | Required |
File format | WAV (.wav file) | Required |
Audio channel | Mono | Required |
Encoding | Linear pulse-code modulation (LPCM) | Recommended |
You can now upload your audio file as described in the appropriate applet or applets.