Sinusoidal Parameter Estimation Using Quadratic Interpolation around Power-Scaled Magnitude Spectrum Peaks

نویسنده

  • François Georges Germain
چکیده

Center for Computer Research in Music and Acoustics (CCRMA), Department of Music, Stanford University, 660 Lomita Drive, Stanford, CA 94305-8180, USA; [email protected] * Correspondence: [email protected]; Tel.: +1-650-723-4971 † This paper is an extended version of our paper published in the 41st International Computer Music Conference (ICMC), Denton, TX, USA, 25 September–1 October 2015, entitled “The XQIFFT: Increasing the accuracy of quadratic interpolation of spectral peaks via exponential magnitude spectrum weighting.” .

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Design Criteria for Simple Sinusoidal Parameter Estimation based on Quadratic Interpolation of FFT Magnitude Peaks

Due to its simplicity and accuracy, quadratic peak interpolation in a zero-padded Fast Fourier Transform (FFT) has been widely used for sinusoidal parameter estimation in audio applications. While general criteria can guide the choice of window type, FFT length, and zero-padding factor, it is sometimes desirable in practice to know more precisely the requirements for achieving a prescribed erro...

متن کامل

The XQIFFT: Increasing the Accuracy of Quadratic Interpolation of Spectral Peaks via Exponential Magnitude Spectrum Weighting

In spectral audio, accurate estimation of the frequency and magnitude of spectral peaks is a central task. One particularly attractive method for increasing the interpolation density of a spectrum is both inexpensive and accurate: quadratic interpolation over magnitude spectrum peaks (MQIFFT). Although it is known that using this method on a logarithmicallyweighted magnitude spectrum (LQIFFT) c...

متن کامل

Estimation and Tracking of the Power Quality Disturbances in the Frequency Domain

In this paper, simple algorithms for fast measurement and estimation of the unknown changing frequency, amplitude, and phase difference of the sinusoidal signals from two channels with the same frequency, as well as other parameters for evaluation of the power quality disturbances, are presented. Parameters are calculated from the DFT coefficients around the component peaks. The improvement for...

متن کامل

A phase interpolation algorithm for sinusoidal model based music synthesis

This paper presents a least square quadratic phase interpolation algorithm for sinusoidal model based music synthesis. This algorithm uses two additions with one parameter per data frame to generate the phase samples of a component sinewave. Compared with the cubic phase interpolation algorithm proposed by McAulay and Quatieri [1], the proposed algorithm is more e cient in terms of computationa...

متن کامل

A spectrally mixed excitation (SMX) vocoder with robust parameter determination

Sinusoidal speech coders have been widely studied for low-bit rate coding around 4 kbit/s. However, the estimation error of the sinusoidal model parameters would seriously degrade the speech quality. In general, the estimation errors are caused by the effects of various types of speech signal or backgound noise. In this paper we propose a sinusoidal speech coder with robust parameter determinat...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 2016