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<p><b>Echo suppression</b> and <b>echo cancellation</b> are methods used in <a href="page.php?w=telephony">telephony</a> to improve voice quality by preventing <a href="page.php?w=echo">echo</a> from being created or removing it after it is already present. In addition to improving subjective audio quality, echo suppression increases the capacity achieved through <a href="page.php?w=silence_suppression">silence suppression</a> by preventing echo from traveling across a <a href="page.php?w=telecommunications_network">telecommunications network</a>.</p><p>
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