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Broadening top (a.k.a. a megaphone pattern [1]) is technical analysis chart pattern describing trends of stocks, commodities, currencies, and other assets. Broadening Top formation appears much more frequently at tops than at bottoms. Its formation usually has bearish implications. [2]
A megaphone, speaking trumpet, bullhorn, blowhorn, or loudhailer is usually a portable or hand-held, cone-shaped acoustic horn used to amplify a person's voice or other sounds and direct it in a given direction. The sound is introduced into the narrow end of the megaphone, by holding it up to the face and speaking into it, and the sound waves ...
A chart pattern or price pattern is a pattern within a chart when prices are graphed. In stock and commodity markets trading, chart pattern studies play a large role during technical analysis. When data is plotted there is usually a pattern which naturally occurs and repeats over a period. Chart patterns are used as either reversal or ...
The polar patterns illustrated above represent the locus of points in polar coordinates that produce the same signal level output in the microphone if a given sound pressure level (SPL) is generated from that point. How the physical body of the microphone is oriented relative to the diagrams depends on the microphone design.
Block diagram of the signal-flow for a common feedback loop [1]: 118 . Audio feedback (also known as acoustic feedback, simply as feedback) is a positive feedback situation that may occur when an acoustic path exists between an audio output (for example, a loudspeaker) and its audio input (for example, a microphone or guitar pickup).
The article states that the TOA EM-202 was the world's first transistorised microphone, but the current history pages on the TOA website (possibly changed since the article was written as the reference link no longer works properly) suggest that, while it was the first electric megaphone produced, the company did not produce a transistorised ...
A megaphone is a portable funnel-shaped device used to amplify a person's voice or other sounds. Megaphone could also mean: Megaphone (podcasting), a podcasting technology company, formerly Panoply Media; Megaphone (band), rock band from Orlando, Florida; Megaphone desktop tool, the pro-Israel lobbying software tool
The hikkake pattern, or hikkake, is a technical analysis pattern used for determining market turning-points and continuations. It is a simple pattern that can be observed in market price data, using traditional bar charts , point and figure charts , or Japanese candlestick charts .