Abstract
The signal on VRs is coded according to the rules set by the Record Industry Association of America (RIAA). This code is determined by three time constants: T1, T2 and T3. Cutting a VR means that the three time constants encode the signal in a specific way. The reason for this is to handle overloading and noise issues the optimal way.
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Notes
- 1.
See Sect. 23.3 for more details on the circuitry of an anti-RIAA transfer performing amplifier.
- 2.
- 3.
For the values of the time constants the standard is set by RIAA and DIN 45535/6.
- 4.
In some regions of the world a fourth time constant also plays a role: T4 = 7,950 × 10−6 s (corresponding frequency = 20.02 Hz). This was set by the IEC (Publication 98-1964 + Amendment n. 4, Sep. 1976). It was never standardized and its effects are not described in detail in this book. Nevertheless, an electronic solution will be given in Part V, The RIAA Phono-Amp Engine.
- 5.
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© 2011 Springer-Verlag Berlin Heidelberg
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Vogel, B. (2011). RIAA Transfer/Anti-RIAA Transfer. In: The Sound of Silence. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-19774-1_2
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DOI: https://doi.org/10.1007/978-3-642-19774-1_2
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