azimuth error: If the sound head of a tape drive is not set exactly the same during playback as it was during recording, then this is noticeable in terms of the sound. Azimuth errors can be corrected with an adjustment screw, the azimuth screw. But imprecise housings or cassettes can also lead to azimuth errors.
Within the shielding of a cable, there are big differences in the structure and of course in the effect. The simplest type is the so-called spiral shield. Here some wires are wound around the signal conductor(s) like a spiral. The effect is just sufficient. With a braided shield, wires are braided around the signal conductor in a very complex manner. The result is a larger area coverage and thus a better shielding effect. Another version is the foil screen. A mostly aluminum-coated Mylar foil is placed around the conductor(s). A bare drain wire establishes contact with ground.
Within the SCDS technology (see SCDS) from in-akustik, a foil shield is combined with a very dense braided shield and thus achieves extremely good values. An extreme high-end version is the special GAP shielding. This is
The rise time is the time it takes an approximate step function to jump from the defined lowlevel required for the defined high level. In contrast, fall time describes the time span for the jump from the high level to the low level.
It is used in audio synthesizers, among other things, to change the volume, pitch or filter progression over the duration of a tone (a note) with attack, decay, sustain and release as an envelope.
The filter envelope in particular is very popular in today's music due to its ability to produce much more vibrant sounds than would be possible with static filters.
In measurement technology (as already indicated above), the threshold values are usually set at 10% or 90% of the maximum value of the voltage to specify the times.
Optimum shielding effects are achieved by combining different techniques. Double and triple shields combine spiral, braid and foil shields to improve performance.
constructed in such a way that no eddy currents arise which could irritate the sensitive audio signal. For this purpose, the shielding is not completely closed radially, but a gap remains.