См. также в других словарях:
Standard test tone — Test Tones In telecommunication, a standard test tone is a single frequency signal with a standardized level generally used for level alignment of single links and of links in tandem. Note: For standardized test signal levels and frequencies, see … Wikipedia
Test card — A test card, also known as a test pattern in the UK, North America and Australia, is a television test signal, typically broadcast at times when the transmitter is active but no program is being broadcast (often at startup and closedown). Used… … Wikipedia
Test Card F — is a test card that was created by the BBC and used on television in the United Kingdom and in countries elsewhere in the world for more than four decades. Like other test cards, it was usually shown while no programmes were being broadcast, but… … Wikipedia
Test Match Special — (known as TMS ) is a radio programme broadcast on BBC Radio 4 (long wave), Five Live Sports Extra (digital) and the internet to the United Kingdom and (where broadcasting rights permit) the rest of the world, including England s winter tours to… … Wikipedia
test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… … Medical dictionary
Tone cluster — Example of piano tone clusters. The clusters in the upper staff C♯ D♯ F♯ G♯ are four successive black keys … Wikipedia
Standard Chinese — For other uses, see Standard Chinese (disambiguation). Standard Chinese 普通話 / 普通话 Pǔtōnghuà 國語 / 国语 Guóyǔ 標準華語 / 标准华语 Biāozhǔn Huáyǔ 現代標準漢語 / 现代标准汉语 Xiàndài Biāozhǔn Hànyǔ Spoken in People s Republic of China, Republic of China (Taiwan),… … Wikipedia
Standard Ten — The Standard Ten was a small car produced by the British Standard Motor Company (discontinuously) from 1906 to 1961.The name was first used in 1906 as the 10 hp, with a 631 cc 2 cylinder side valve engine. It was re used from 1934 to 1936 and… … Wikipedia
Indian Head test card — The Indian Head Test Card was a black and white television test pattern which was introduced in 1939 by RCA of Harrison, New Jersey as a part of the RCA TK 1 Monoscope. 20th century television later became so important socially that this purely… … Wikipedia
Reference tone — A reference tone is a pure tone corresponding to a known frequency, and produced at a stable sound pressure level (volume), usually by specialized equipment.In mediaThe most common reference tone in audio engineering is a Audio|1000Hz.ogg|1000 Hz … Wikipedia
Pure tone audiometry — (PTA) is the key hearing test used to identify hearing threshold levels of an individual, enabling determination of the degree, type and configuration of a hearing loss. Thus, providing the basis for diagnosis and management. PTA is a subjective … Wikipedia
