Files that contain the .qcp file extension are used for QUALCOMM audio files.
The QUALCOMM audio format is a file format that is used to store human voice recordings. These voice recordings are commonly used when sending PureVoice audio attachments via email.
The QCP format is based on the RIFF file format, which is a generic audio format that stores data in groups that are identified by tags. It is a container format that is normally encoded.
This audio container format was designed for vocal frequencies. However, in some cases, a user can use the QCP file format for ring tones to be used on certain CDMA mobile phones.
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If you have additional information about the QCP file format or software that uses files with the QCP suffix, please do get in touch - we would love hearing from you.