anechoic

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anechoic

 [an-ĕ-ko´ik]
without echoes, such as a room used for hearing tests.

an·e·cho·ic

(an'ĕ-kō'ik),
The property of being echo-free or appearing without echoes on a sonographic image; a cyst filled with clear fluid appears anechoic. See: transonic.
Synonym(s): echo-free
[G. an- priv. + echo + ic]

anechoic

/an·echo·ic/ (an-ĕ-ko´ik)
1. without echoes; said of a chamber for measuring the effects of sound.

anechoic

[an′ekō′ik]
(in ultrasonography) free of echoes.

an·e·cho·ic

(an'ĕ-kō'ik)
The property of appearing echo free on a sonographic image; a clear cyst appears anechoic.
[G. an- priv. + echo + ic]

anechoic

in ultrasonography, an absence of internal echoes.
References in periodicals archive ?
Echo cancellation eliminates possible echo when speaking without a headset, so users no longer need to wear one to ensure an echo-free experience.
Sub-band Acoustic Echo Cancellation: A high-performance sub-band acoustic echo-cancellation algorithm eliminates speaker-to-microphone feedback while preserving natural sounding voice for high-quality, echo-free voice conversations.
The ATS6121 single microphone and ATS6122 dual microphone solutions are available for immediate design-in for customers that seek loud, noise-free, echo-free remarkably clear voice quality in their Bluetooth car kits.
These include PC sound systems that integrate the functionality of audio speakers and echo-free speakerphones into a single "all-in-one" peripheral, speakers, LCD multimedia monitors, iPod/MP3 docking systems, notebook docking stations, and voice-over-IP peripherals such as speakerphones.
These include emerging PC sound systems that integrate the functionality of audio speakers and echo-free speakerphones into a single "all-in-one" peripheral, speakers, LCD multimedia monitors, iPod/MP3 docking systems, notebook docking stations, and voice-over-IP (VoIP) peripherals such as speakerphones.
Called the Parrot CONFERENCE[TM], the speakerphone features Parrot's proprietary advanced digital signal processing technology with full duplexing for clear, echo-free conversations in both small and large rooms.
The Logitech(R) QuickCall(TM) USB Speakerphone delivers crystal-clear and echo-free PC calls.
The QuickCam for Notebooks Pro also features Logitech(R) RightSound(TM) Technology with acoustic echo-cancellation software, enabling people to make echo-free video calls without using a headset.
and QuickCam Messenger webcams each feature an integrated microphone with echo-canceling audio technology - this Logitech(R) RightSound(TM) technology allows people to make video calls with crisp, clear, echo-free audio.
The algorithm provides high-quality, echo-free voice communication in office telecom headsets and Bluetooth(R) mono and stereo headsets.