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The Harvard sentences, or Harvard lines, [1] is a collection of 720 sample phrases, divided into lists of 10, used for standardized testing of Voice over IP, cellular, and other telephone systems. They are phonetically balanced sentences that use specific phonemes at the same frequency they appear in English.
A codec listening test is a scientific study designed to compare two or more lossy audio codecs, usually with respect to perceived fidelity or compression efficiency. Most tests take the form of a double-blind comparison. Commonly used methods are known as "ABX" or "ABC/HR" or "MUSHRA". There are various software packages available for ...
FR measurements deliver the highest accuracy and repeatability but can only be applied for dedicated tests in live networks (e.g. drive test tools for mobile network benchmarks). POLQA is a full-reference algorithm and analyzes the speech signal sample-by-sample after a temporal alignment of corresponding excerpts of reference and test signal.
Scrub, search, and bookmark audio to find, recall and assemble segments of audio files; Spectral analysis (FFT), speech synthesis (text-to-speech), and voice changer; Audio restoration tools including noise reduction and click pop removal [4] Supports sample rates from 6 to 96 kHz, stereo or mono, 8, 16, 24 or 32 bits; Remove vocals from music ...
Some voice modems offer a very large transmit buffer (for example, 4 seconds' worth of audio) coupled with a bug that prevents the host from requesting an "abort playback". The result is that if a caller presses a touch-tone that's supposed to interrupt a message, and the host is providing unlimited audio data mediated by CTS alone, the end ...
It's been a tough Tuesday, so far, for Tesla ().In a note to clients, Bank of America analyst John Murphy downgraded Tesla to Neutral from Buy, claiming that most of the EV maker's upside has been ...
Mock objects have the same interface as the real objects they mimic, allowing a client object to remain unaware of whether it is using a real object or a mock object. Many available mock object frameworks allow the programmer to specify which methods will be invoked on a mock object, in what order, what parameters will be passed to them, and what values will be returned.
Beckinsale didn't identify any of these movies or directors she referenced by name (other than infamous convicted predator Harvey Weinstein), but she had several stories that apparently came from ...