Brüel & Kjær 4219 Otro
Fabricante:
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Modelo:
4219
Fecha:
1971
Categoría:
Grupo:
Descripción:
Artificial Voice
Información
The Artificial Voice Type 4219 is a complete redesign of the
Artificial Mouth Type 4216. It is intended for use in
laboratories and quality production control, when a well
defined sound source is required, and when it is more
convenient to use an artificial source rather than the human
voice.
The Artificial Voice produces a sound field similar to the
sound field from a human mouth, and also covers the
frequency and pressure ranges normally produced by the human
voice.
it is equipped with a built-in condenser microphoneand
preamplifier, which can be used with the compressor circuit
of a B & K Beat Frequency Oscillator to maintain a constant
sound pressure at the orifice.
The characteristics of the voice make it suitable for
general acoustic work, and telephone measurements.
Type manuel:
Manual del usuario
Páginas:
29
Tamaño:
1.36 Mbytes (1422049 Bytes)
Idioma:
english
Revisión:
Manuel-ID:
Fecha:
1971 02 01
Formato:
Documento Scaneds, en parte leyendo mal, no parcialmente legible.
Fecha de subida:
2017 06 01
MD5:
5bdf63357091aaca09bea150066f3104
Descargas:
436
Información
1. INTRODUCTION ... 3
2. DESCRIPTION ... 4
2.1. General ... .
. .. . 6
2.3. Closed Volume Characteristics ... . 12
2.4. Directivity
... 14
2.5. Obstacle Effect
... 14
3. OPERATION ... 19
3.1. Calibration ... 19
3.2. Recording the Frequency Response of Microphones . 19
4. SPECIFICATIONS