Codec.Audio.FLAC.StreamEncoder.Apodization

This module exports the ApodizationFunction data type, which is rarely needed, and thus should not “contaminate” the Codec.Audio.FLAC.StreamEncoder module with potentially confilcting names.

Documentation

data ApodizationFunction

Supported apodization functions.

Constructors

Bartlett

BartlettHann

Blackman

BlackmanHarris4Term92Db

Connes

Flattop

Gauss Double

The parameter is standard deviation STDDEV, 0 < STDDEV <= 0.5.

Hamming

Hann

KaiserBessel

Nuttall

Rectangle

Triangle

Tukey Double

The parameter is the fraction of the window that is tapered P, 0 <= P <= 1. P == 0 corresponds to Rectangle and P = 1 corresponds to Hann.

PartialTukey Natural (Maybe (Double, Maybe Double))

The parameters are a series of small windows (all treated separately). The three parameters are n, ov and P. n is the number of functions to add, ov is the overlap of the windows. P is the fraction of the window that is tapered, like with a regular tukey window. The function can be specified with only a number, a number and an overlap, or a number, an overlap and a P. ov should be smaller than 1 and can be negative.

PunchoutTukey Natural (Maybe (Double, Maybe Double))

The parameters are a series of windows that have a hole in them. In this way, the predictor is constructed with only a part of the block, which helps in case a block consists of dissimilar parts. All said about the parameters in the comment for PartialTukey applies here, with the exception that ov is the overlap in the gaps in this case.

Welch

Instances

Eq ApodizationFunction

Methods

(==) :: ApodizationFunction -> ApodizationFunction -> Bool

(/=) :: ApodizationFunction -> ApodizationFunction -> Bool

Ord ApodizationFunction

Methods

compare :: ApodizationFunction -> ApodizationFunction -> Ordering

(<) :: ApodizationFunction -> ApodizationFunction -> Bool

(<=) :: ApodizationFunction -> ApodizationFunction -> Bool

(>) :: ApodizationFunction -> ApodizationFunction -> Bool

(>=) :: ApodizationFunction -> ApodizationFunction -> Bool

max :: ApodizationFunction -> ApodizationFunction -> ApodizationFunction

min :: ApodizationFunction -> ApodizationFunction -> ApodizationFunction

Read ApodizationFunction

Methods

readsPrec :: Int -> ReadS ApodizationFunction

readList :: ReadS [ApodizationFunction]

readPrec :: ReadPrec ApodizationFunction

readListPrec :: ReadPrec [ApodizationFunction]

Show ApodizationFunction

Methods

showsPrec :: Int -> ApodizationFunction -> ShowS

show :: ApodizationFunction -> String

showList :: [ApodizationFunction] -> ShowS