* Ward, T. J .; Bielawski, J. P .; Davis, S. K .; Templeton, J. W .; and Derr, J. N. ( 1999 ) Identification of Domestic Cattle Hybrids in Wild Cattle and Bison Species: A General Approach Using mtDNA Markers and the Parametric Bootstrap, Animal Conservation

Parametric equation for the ellipse ( red ) in canonical position.

* Parametric Cost Estimating Handbook, NASA webpage based on the waterfall model, archived on Internet Archive March 8, 2005.

Parametric solids require the operator to consider the consequences of his actions carefully.

Parametric amplifiers use parametric amplfication.

By using a noncollinear interaction geometry Optical Parametric Amplifiers are capable of extremely broad amplification bandwidths.

HMM-based synthesis is a synthesis method based on hidden Markov models, also called Statistical Parametric Synthesis.

There is a multi-storey car park opposite Selfridges on Park Street which is connected to the Selfridges store via a 37 metre long, curved, polycarbonate-covered footbridge, known as the Parametric Bridge, suspended over the street.

Parametric statistics is a branch of statistics that assumes that the data has come from a type of probability distribution and makes inferences about the parameters of the distribution .< ref name =" Geisser and Johnson "> Seymour Geisser and Wesley M. Johnson, < cite > Modes of Parametric Statistical Inference </ cite >, John Wiley & Sons ( 2006 ), ISBN 978-0-471-66726-1 </ ref > Most well-known elementary statistical methods are parametric .< ref name =" Cox "> D.

Parametric statistical methods are used to compute the 2. 365 value above, given 99 independent observations from the same normal distribution.

Parametric polymorphism is widely supported in statically typed functional programming languages.

Parametric polymorphism allows a function or a data type to be written generically, so that it can handle values identically without depending on their type.

Parametric polymorphism is a way to make a language more expressive, while still maintaining full static type-safety.

Parametric continuity of a given degree implies geometric continuity of that degree.

Computervision was acquired by Parametric Technology Corporation ( PTC ) in 1998, which ( as of 2005 ) still supports the CADDS-5i product for existing users.

MKS Inc ( Mortice Kern Systems ) was a multinational independent software vendor which was acquired by Parametric Technology Corporation on May 31, 2011 and now operates as a business unit within PTC.

Parametric equalizers can control not only the amount of boost and cut but also the specific frequency at which the boost and cut takes place and the range of frequencies ( bandwidth ) affected.

Parametric equations of the trochoid, which assume L is the x-axis, are

* Parametric family, a family where elements are be specified by a set of parameters.

Parametric equalizers are often built into each channel in mixing consoles and are also available as separate units.

Parametric equations for the nephroid shown above, with cusps on the x-axis, are given by

Parametric statistical models are assumed at each voxel, using the general linear model to describe the variability in the data in terms of experimental and confounding effects, and residual variability.

Parametric equations in terms of surface parameters u and v ( longitude and latitude ) are

Parametric tests, such as those described in exact statistics, are exact tests when the parametric assumptions are fully met, but in practice the use of the term exact ( significance ) test is reserved for those tests that do not rest on parametric assumptions – non-parametric tests.

As of 2006, DDM continues to be supported by Parametric Technology Corporation as " Dimension III ".

Computervision was acquired by Parametric Technology Corporation in 1998.

Computervision, including the Dimension III product, was acquired by Parametric Technology Corporation in 1998.

In 1998 it was bought by aforementioned Parametric Technology Corporation, that exists to this day.

Prior to the standardization of HE AAC v2 by MPEG, Coding Technologies submitted the combination of HE-AAC v1 coupled with Parametric Stereo under the name Enhanced AAC +.

* 2011: MKS acquired by Parametric Technology Corporation PTC ()

Mathcad, Parametric Technology Corporation's engineering calculation solution, is used by engineers and scientists in various disciplines – most often those of mechanical, chemical, electrical, and civil engineering.

* Pro / ENGINEER, a parametric feature-based 3D modeling software created by Parametric Technology Corporation

Parametric then bumped Pier 1 Imports Inc. (), a retailer of home furnishings, down one spot and off the bottom of the S & P MidCap 400 Index.

On December 29, 2006, Standard & Poor's bumped Pier 1 Imports Inc. down one spot and off the bottom of the S & P MidCap 400 Index when it added Parametric Technology Corp. (), a software company.

Parametric derivative is a derivative in calculus that is taken when both the x and y variables ( traditionally independent and dependent, respectively ) depend on an independent third variable t, usually thought of as " time ".

* Electromagnetic energy is not converted from the surface wave field to another form of energy ( except in leaky or lossy surface waves ) such that the wave does not transmit power normal to the interface, i. e. it is evanescent along that dimension.

In the case of lossy medium, i. e. when the conduction current is not negligible, the total current density flowing is:

Since the RG transformations in such systems are lossy ( i. e.: the number of

* mpc-Musepack or MPC ( formerly known as MPEGplus, MPEG + or MP +) is an open source lossy audio codec, specifically optimized for transparent compression of stereo audio at bitrates of 160 – 180 kbit / s.

* Lossy codecs: Many of the more popular codecs in the software world are lossy, meaning that they reduce quality by some amount in order to achieve compression.

The decreasing cost of storage capacity and network bandwidth has a tendency to reduce the need for lossy codecs for some media.

Compression can be either be lossy or lossless.

The design of data compression schemes involve trade-offs among various factors, including the degree of compression, the amount of distortion introduced ( e. g., when using lossy data compression ), and the computational resources required to compress and uncompress the data.

Generally, lossy data compression schemes are guided by research on how people perceive the data in question.

Similarly, DVDs use the lossy MPEG-2 Video codec for video compression.

In lossy audio compression, methods of psychoacoustics are used to remove non-audible ( or less audible ) components of the signal.

The theoretical background of compression is provided by information theory ( which is closely related to algorithmic information theory ) for lossless compression, and by rate – distortion theory for lossy compression.

In both lossy and lossless compression, information redundancy is reduced, using methods such as coding, pattern recognition and linear prediction to reduce the amount of information used to represent the uncompressed data.

Lossless audio compression produces a representation of digital data that decompresses to an exact digital duplicate of the original audio stream, unlike playback from lossy compression techniques such as Vorbis and MP3.

Some audio formats feature a combination of a lossy format and a lossless correction ; this allows stripping the correction to easily obtain a lossy file.

Comparison of musical acoustics | acoustic spectrograms of a song in an uncompressed format and various lossy formats.

The fact that the lossy spectrograms are different from the uncompressed one indicates that they are in fact lossy, but nothing can be assumed about the effect of the changes on perceived quality.

The innovation of lossy audio compression was to use psychoacoustics to recognize that not all data in an audio stream can be perceived by the human auditory system.

Most lossy compression reduces perceptual redundancy by first identifying sounds which are considered perceptually irrelevant, that is, sounds that are very hard to hear.

This makes lossy compression unsuitable for storing the intermediate results in professional audio engineering applications, such as sound editing and multitrack recording.

In order to determine what information in an audio signal is perceptually irrelevant, most lossy compression algorithms use transforms such as the modified discrete cosine transform ( MDCT ) to convert time domain sampled waveforms into a transform domain.

Other types of lossy compressors, such as the linear predictive coding ( LPC ) used with speech, are source-based coders.

The majority of video compression algorithms use lossy compression.

As in all lossy compression, there is a tradeoff between video quality, cost of processing the compression and decompression, and system requirements.

Some of these methods are inherently lossy while others may preserve all relevant information from the original, uncompressed video.