DocumentCode
3440032
Title
Audio single and dual tone measurements with a 12 bit converter
Author
Wehrman, Hal
Author_Institution
Boeing Co., Kent, WA, USA
fYear
2005
fDate
26-29 Sept. 2005
Firstpage
773
Lastpage
799
Abstract
This paper documents a unique approach to utilize a 12 bit analog to digital converter to measure audio parameters on single and dual tone audio signals. A mathematical process is used to align a fast Fourier transform frequency cell to accurately measure target frequencies. This paper covers the background, algorithms, and contain measured demonstrated results. Mathematical constructs to calculate measurement accuracy is also covered.
Keywords
analogue-digital conversion; audio signal processing; fast Fourier transforms; 12 bit; analog to digital converter; audio dual tone measurements; audio single tone measurements; dual tone audio signals; fast Fourier transform; single tone audio signals; Accuracy; Analog-digital conversion; Contracts; Discrete Fourier transforms; Distortion measurement; Fast Fourier transforms; Fourier transforms; Frequency domain analysis; Frequency measurement; Warranties;
fLanguage
English
Publisher
ieee
Conference_Titel
Autotestcon, 2005. IEEE
Print_ISBN
0-7803-9101-2
Type
conf
DOI
10.1109/AUTEST.2005.1609234
Filename
1609234
Link To Document