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In far-field detection, a microphone recording of the victim is played as a test segment on a hands-free phone. [30] On the other hand, cut-and-paste involves faking the requested sentence from a text-dependent system. [11] Text-dependent speaker verification can be used to defend against replay-based attacks.
However, to allow the receiver to be able to detect replay attacks, the message itself must contain data that assures that this same message can only be sent once (e.g. time stamp, sequence number or use of a one-time MAC). Otherwise an attacker could – without even understanding its content – record this message and play it back at a later ...
Developed by iOpus/Ipswitch, It adds record and replay functionality similar to that found in web testing and form filler software. [6] The macros can be combined and controlled via JavaScript. Demo macros and JavaScript code examples are included with the software. Running strictly JavaScript-based macros was removed in later versions of ...
Binaural recording is intended for replay using headphones and will not translate properly over stereo speakers. This idea of a three-dimensional or "internal" form of sound has also translated into useful advancement of technology in many things such as stethoscopes creating "in-head" acoustics and IMAX movies being able to create a three ...
In order to take a scientific measurement with a microphone, its precise sensitivity must be known (in volts per pascal). Since this may change over the lifetime of the device, it is necessary to regularly calibrate measurement microphones. This service is offered by some microphone manufacturers and by independent testing laboratories.
They had the best microphone, a condenser type developed there in 1916 and greatly improved in 1922, [21] and the best amplifiers and test equipment. They had already patented an electromechanical recorder in 1918, and in the early 1920s, they decided to intensively apply their hardware and expertise to developing two state-of-the-art systems ...
Record and replay debugging is the process of recording the execution of a software program so that it may be played back within a debugger to help diagnose and resolve defects. [1] The concept is analogous to the use of a flight data recorder to diagnose the cause of an airplane flight malfunction.
A sound card (also known as an audio card) is an internal expansion card that provides input and output of audio signals to and from a computer under the control of computer programs. The term sound card is also applied to external audio interfaces used for professional audio applications.