Class/Object

de.sciss.synth.ugen

AmpComp

Related Docs: object AmpComp | package ugen

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final case class AmpComp(rate: Rate, freq: GE = 261.626f, root: GE = 261.626f, expon: GE = 0.3333f) extends SingleOut with Product with Serializable

A UGen that produces a psychoacoustic amplitude compensation factor for a given frequency.

Implements the formula: (root / freq).pow(exp)

Higher frequencies are normally perceived as louder, therefore AmpComp outputs lower values for them. For example, with default parameters, the pitch C4 (frequency 262 Hz) produces the base factor of 1.0, whereas a pitch one octave up, C5 (or 523 Hz) produces a factor of 0.793719 (an attenuation of -2 dB).

An alternative is AmpCompA that better models the bell-shaped equal loudness contours of the hearing system. Especially note that the output of this UGen can become very high for frequencies much lower than the root parameter.

freq

the frequency in Hertz for which to determine the compensation factor

root

the base frequency corresponding to a compensation factor of 1.0

expon

the exponent determines how steep the compensation curve decreases for increasing frequencies. In general, the louder a signal is played, the shallower the equal loudness contours become.

See also

AmpCompA

Linear Supertypes
Serializable, Serializable, SingleOut, SomeOut, GE.Lazy, GE, UGenSource[UGenInLike], Expander[UGenInLike], Lazy, Product, Equals, AnyRef, Any
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Inherited
  1. AmpComp
  2. Serializable
  3. Serializable
  4. SingleOut
  5. SomeOut
  6. Lazy
  7. GE
  8. UGenSource
  9. Expander
  10. Lazy
  11. Product
  12. Equals
  13. AnyRef
  14. Any
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Visibility
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Instance Constructors

  1. new AmpComp(rate: Rate, freq: GE = 261.626f, root: GE = 261.626f, expon: GE = 0.3333f)

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    freq

    the frequency in Hertz for which to determine the compensation factor

    root

    the base frequency corresponding to a compensation factor of 1.0

    expon

    the exponent determines how steep the compensation curve decreases for increasing frequencies. In general, the louder a signal is played, the shallower the equal loudness contours become.

Value Members

  1. final def !=(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  2. final def ##(): Int

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    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  4. final def asInstanceOf[T0]: T0

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    Definition Classes
    Any
  5. def clone(): AnyRef

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  6. final def eq(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef
  7. val expon: GE

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    the exponent determines how steep the compensation curve decreases for increasing frequencies.

    the exponent determines how steep the compensation curve decreases for increasing frequencies. In general, the louder a signal is played, the shallower the equal loudness contours become.

  8. def finalize(): Unit

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  9. val freq: GE

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    the frequency in Hertz for which to determine the compensation factor

  10. final def getClass(): Class[_]

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    Definition Classes
    AnyRef → Any
  11. lazy val hashCode: Int

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    Definition Classes
    UGenSource → AnyRef → Any
  12. final def isInstanceOf[T0]: Boolean

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    Definition Classes
    Any
  13. def makeUGens: UGenInLike

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    Abstract method which must be implemented by creating the actual UGens during expansion.

    Abstract method which must be implemented by creating the actual UGens during expansion. This method is at most called once during graph expansion

    returns

    the expanded object (depending on the type parameter U)

    Attributes
    protected
    Definition Classes
    AmpCompExpander
  14. final def name: String

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    Definition Classes
    UGenSource
  15. final def ne(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef
  16. final def notify(): Unit

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    Definition Classes
    AnyRef
  17. final def notifyAll(): Unit

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    Definition Classes
    AnyRef
  18. val rate: Rate

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    Definition Classes
    AmpCompGE
  19. val root: GE

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    the base frequency corresponding to a compensation factor of 1.0

  20. final def synchronized[T0](arg0: ⇒ T0): T0

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    Definition Classes
    AnyRef
  21. final def wait(): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  22. final def wait(arg0: Long, arg1: Int): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  23. final def wait(arg0: Long): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

Inherited from Serializable

Inherited from Serializable

Inherited from SingleOut

Inherited from SomeOut

Inherited from GE.Lazy

Inherited from GE

Inherited from UGenSource[UGenInLike]

Inherited from Expander[UGenInLike]

Inherited from Lazy

Inherited from Product

Inherited from Equals

Inherited from AnyRef

Inherited from Any

Ungrouped