Signal types: Sine, Sweep, Noise, Phase, Double-Sine, Rectangle, IMD, DFD
Compact Disc Audio Format
Audio CD for HiFi or Car CD drives, DvD drives
CD Text with track information
HiFi or DJ or PA sound systems check
Quick acoustic measurement of frequency response using "Pink Noise" signal and free of charge "RTA Analyzer" app. Alternative via "white noise" signal and free FFT mobile phone app or PC audio analyzer (see above)
Check loudspeaker driver polarity
Visualize or measure signal distortion: THD, IMD, DFD
Identify vibrations due to loudspeaker enclosures issues, driver assembling or in room equipment
Channel cross talk test
Amplifier rise time check
Test EQ or tone control functions
Check L/R channel assignment
Audio crossover freq. response check via AC voltmeter
Phase and channel check
Vibration identification: Enclosure, room equipment, bass reflex port
Loudspeaker test or burn-in process
and many more
OPTIMISE YOUR HOME CINEMA SYSTEM WITH THE
5.1 Surround Sound AUDIO Test DVD
Video DVD description
244 test signals for optimization without or with measurement equipment
Dolby Digital 5.1: Front Right & Left, Rear Right & Left, Center, Subwoofer/LFE
Video DVD with 49 chapter
TV views signal details and current loudspeaker channel(s)
Quick acoustic measurement of frequency response using "Pink Noise" signal and free of charge "RTA Analyzer" app. Alternative via "white noise" signal and free FFT mobile phone app or PC audio analyzer (see below)
Sound improvement by measuring and correcting the frequency response via EQ / tone control of the home cinema receiver
Acoustic subwoofer test with signals starting at 15Hz
Acoustic test of channel assignment (Left front...)
Acoustic test speaker polarity (+/- reversed?)
Identification of vibrations in the loudspeaker, stand or furniture with sine or sweep signal
and more...
Measurement with cell phone
Tip: Get quick an acoustic frequency response measurement via mobile phone and RTA app (free mode sufficient) plus CD or DvD "Pink Noise" signal. Use the app:
iOS app "Spectrum"
Android app "RTA Analyzer"
Or use a FFT app to analyze distortions with sine or IMD signals.
Tip: You can use external microphones, to improve the measurement accuracy.
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