The audio quality is poor

If you are attempting to use a voice modem you should note the quality of the audio is determined by the modem.   Some voice modems offer only very poor quality voice.   If audio quality is important, you should consider purchasing a professional telephony card.   See Telephony Hardware for suitable cards.

For playback, TRx includes a playback gain control, playback tone control and playback dynamic range compressor which can be used to improve audio quality.   For more information, please see Settings.

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