Handbook for Sound Engineers

1532 Chapter 41 the interpreted language back to the language distribu- tion system where it is sent to the various listeners. B ...

Interpretation and Tour Group Systems 1533 In the event the interpreter cannot understand the floor language, the console must ...

1534 Chapter 41 shutoff, as they may be on the same channel and cause feedback. Acoustical crosstalk can occur if open back earp ...

Interpretation and Tour Group Systems 1535 41.2 Multichannel FM Induction Loop The induction loop system is a development of the ...

1536 Chapter 41 restricted to a 3–4 kHz bandwidth that is adequate for voice only. Table 41-1 gives the technical specifications ...

Interpretation and Tour Group Systems 1537 diode incorporates a collecting lens which bends the infrared light to hit the diode, ...

1538 Chapter 41 . This does not take into account the wall surfaces, niches, and obstructions and it assumes that at least 95% o ...

Interpretation and Tour Group Systems 1539 Tour group systems are excellent for factory tours, museums, outdoor events, wireless ...

1540 Chapter 41 41.4.2. FM Receiver A typical FM receiver is shown in Fig. 41-12. The spec- ifications for this FM receiver are: ...

Interpretation and Tour Group Systems 1541 Fig. 41-13. Soundfield FM applications can be in a classroom, meeting room, training ...

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1543 Chapter 42 Assistive Listening Systems by Glen Ballou 42.1 Nature of the Problem........................................... ...

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Assistive Listening Systems 1545 42.1 Nature of the Problem There are millions of people in the world (20 million in America alo ...

1546 Chapter 42 mic the actors, talkers, or singers. A sound pickup that does not reject the reverberant field and extraneous no ...

Assistive Listening Systems 1547 The vertical field strength predominates over most of the loop area, Fig. 42-2. The T-coils in ...

1548 Chapter 42 becomes more pronounced. This field distortion is manifest by dead spots within the loop. At its worst, the enti ...

Assistive Listening Systems 1549 impedance characteristic and falling loop current will complement the rising sensitivity charac ...

1550 Chapter 42 be adjusted according to the nature of the principal program material. If the system is used mostly for music, a ...

Assistive Listening Systems 1551 High immunity to unwanted or external radio signals. More than ten simultaneous channels. Good ...