To ensure your audio files upload and play correctly in CallingPost, please make sure they meet the following requirements:
File Type: .WAV only (not .MP3 or other formats)
Frequency: 8 kHz (kilohertz)
Channels: Mono (one channel only, not stereo)
Sampling: 8-bit
CODEC/Coding: PCM
Length: * Minimum: 5 seconds
Maximum: 120 seconds
File Size: File size will vary based on length. If the other requirements are met, file size should not be an issue.
Tips for Success:
Use a reliable audio editor: Audacity or WavePad Sound Editor (free versions available) are great options.
Export in the correct format: When exporting your file, double-check all the settings to ensure they match the specifications above.
Test your audio: Before uploading, listen to your audio file to ensure the quality is good and there are no errors.
By following these guidelines, you can ensure your messages are uploaded and delivered smoothly through CallingPost.