Digital Audio Shows Why They Are An Industry Staple
Digital Audio is a respected name in the car audio game, and this CES showed why. They've revamped nearly the entire product line, and introduced a couple of new products. From head units .
http://stereos.about.com/od/equipmentmakers...
soxmix - Linux Command - Unix Command
Linux / Unix Command Library: soxmix. Learn about its synopsis, description, options, and examples.
http://linux.about.com/library/cmd/blcmdl1_...
Steward and Sons
Offers DSP books (FIR, IIR, recursive, nonrecursive, adaptive, estimation, detection), and Filter books (Butterworth, Bessel, nomographs, lowpass, highpass, bandpass, bandstop, allpass).
http://www.steward-sons.com
The Subwoofer DIY Page
Five basic types of subwoofers systems are covered here: sealed, ported, bandpass, passive radiator and transmission line systems.
http://www.diysubwoofers.org/
Octave | Glossary - O | Stereos
In audio, an octave is the interval between any two frequencies having a ratio of 2 to 1. One octave is a doubling of frequency.
http://stereos.about.com/cs/glossaryandtool...
Center Frequency | Glossary - C | Stereos
Center frequencies are one of the parameters of a bandpass filter. The center frequency occurs at the maximum or minimum amplitude response for what's known as a Butterworth filter, the .
http://stereos.about.com/cs/glossaryandtool...
Andover Corporation
Bandpass, dichroic, DWDM, filter glass, neutral density and calibration filters.
http://www.andcorp.com/Web_store
sox - Linux Command - Unix Command
Linux / Unix Command Library: sox. Learn about its synopsis, description, options, and examples.
http://linux.about.com/od/commands/l/blcmdl...
Joe Carr's Tech Notes
Articles about receiving antenna theory, feed lines, grounds, bandpass filters and loop antennas for Mediumwave and Shortwave reception.
http://www.dxing.com/tnotes.htm
Starcast
Provides simultaneously queries, and many astronomical databases. Includes input target coordinates or name, data type, source, and bandpass.
http://archive.stsci.edu/starcast/
Bandpass Filters
. the designed bandpass response and it's associated stop band attenuation. 20 Meter Band: Below is a second order Butterworth bandpass .
http://www.qrp.pops.net/bandpass.htm
Bandpass Filter - Band Reject Filter - Bandpass Filter Design
PROFESSIONAL COMMUNICATIONS ANTENNAS, FILTERS AND COMBINERS PRODUCTS - BANDPASS FILTERS Back Print Home Bandpass Filter / Band Reject Filter Products Bandpass filter and band reject filter .
http://www.procom-dk.com/filter/c0201-bandp...
Microwave Circuits Inc., Bandpass filters
High performance RF/Microwave filters from DC - 40 GHz
http://www.micckts.com/bandpass.html
Car Audio Help Guide
You can design your own bandpass subwoofer enclosure here for free. . Bandpass Subwoofer Box Design (Fourth-Order) .
http://www.carstereo.com/help/Articles.cfm
active bandpass filters
Active band pass filters (sometimes spelt bandpass) are simply filters constructed by. electronics-tutorials.com/filters/active-ban dpass-filters.htm" .
http://www.electronics-tutorials.com/filter...