3GA to QCP 3GA to QCP

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Converter 3GA to QCP

3GA is a 3GPP audio file created in 1998. It was created by the 3rd Generation Partnership Project. It is used mainly on mobile devices in order to record, play and transmit audio data. 3GPP (3rd Generation Partnership Project) is a consortium that develops specifications for mobile telephony. The format resembles 3GP files, however, it includes only audio data. In most cases, 3GA files are used by mobile phones in order to record and transmit audio data. For example, this is how audio is recorded in Samsung Galaxy phones. The .3GA file extension can be changed to .3GP, which is widespread. Everything is supported by many programs. The 3GA format uses an adaptive coding audio codec with variable speed (AMR, AMR-NB, GSM-AMR). The development of this codec was done in order to compress encoded speech signals using adaptive modulation. In 1999, the 3GPP consortium adopted the Adaptive Variable Rate Coding (AMR) standard. Currently, it is used by GSM and UMTS communication systems. It is this format for speech recording that has found wide application on mobile devices. We note at the same time that it is not possible to play such files very often on certain devices.

QCP is an audio file category format. It has the full name Qualcomm PureVoice Audio File, since the format was developed by Qualcomm. The main application is the preservation of various types of recorded sound. The development of this format was in the company specifically for recording, storage and playback of all frequencies of the human voice. Files with the .QCP extension are most often used specifically for recording human voices, as well as for processing pauses that are natural for human speech. QCP files are also widely used for recording ringtones for mobile phones. They are very often applied as a sound attachment to emails. The standard plugin for many email programs is the PureVoice Player-Recorder program, which allows you to listen to the email application as a file with the .QCP extension. Also on any device, you can install the PureVoice SDK plugin, which allows you to listen to sound files with the extension .QCP. QCP belongs to the category of container formats. He can not independently set the encoding parameters of sound files. Inside the file with the extension .QCP there are files that use the EVRC or QCELP method for encoding.


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