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- #Measure delay in smaart 7 how to#
- #Measure delay in smaart 7 driver#
- #Measure delay in smaart 7 full#
- #Measure delay in smaart 7 professional#
The first day of class are primarily a classroom lecture and lab format, relying heavily on in-class measurements. This course focuses on providing the attendee with a functional knowledge of how Smaart operates as a tool before expanding to the application of that tool in sound system engineering, and as much as possible, examines data interpretation as much as acquisition. This course begins with an overview of both the general system measurement theory involved as well as the operational context in which Smaart is used, namely in Sound System Engineering and Alignment.
#Measure delay in smaart 7 how to#
Special attention is paid throughout the course to the subject of how to make valid and useful measurements. The Smaart Operator Fundamentals covers the fundamentals of setting up a Smaart measurement rig and using Smaart to make basic RTA, Spectrograph, Transfer Function and Impulse Response measurements. If you have any questions concerning course prerequisites, please do not hesitate to contact the listed Smaart instructor prior to registration.
#Measure delay in smaart 7 professional#
This course does assume a working knowledge of professional sound system engineering practices and basic audio fundamentals. Prior system alignment experience is not required, but is definitely helpful. The Smaart Operator Fundamentals course is open to all interested persons.
#Measure delay in smaart 7 full#
Full system level & time alignment (mains, subs, delays etc.) – if in suitable equipped venue Session 19 options (advanced measurement session discussions) Advanced system measurements – polar vs complex averaging, MTW vs fixed FFT size etc. Data window types Magnitude average types If time available at the end of the official 2- day itinerary. Room analysis – reverberation & intelligibility measurementsĮxtras.
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Introduction to acoustical analysis, reverberation, intelligibility Case study – investigating stage sound anomalies using dual microphone techniques Longer FFT time constant + smoothing – measuring in windy conditions Line array consideration, long-throw propagation, air absorption Outdoor considerations – temperature and wind gradient Comparing mics, comparing listening positions & system propagation (Dual mic techniques for room analysis will be covered later) Far-field measurement, coverage, improving intelligibility Stereo matching – matching eq, fine placement adjustments Multiple microphones – trace averaging Lines on the screen vs ear-brain perception -Short break. A full, 1-day practical subwoofer array course is available. Subwoofer arrays, reverse-polarity cardioid, in-phase (end-fired) cardioid etc – depends on venue & facilities Tinker time - if the classroom is small (compared to LF wavelengths), sub-main alignment may done outdoors Acoustically small subwoofers and subwoofer arrays – phase rotation caused by boundaries
#Measure delay in smaart 7 driver#
Cross-over and driver placement effects – polarity/phase Low frequency boundary effects, sub alignment. Effects of multiple source arrivals – combing, and combinations of the above Tinker time Phase shift vs time offset and frequency Microphone calibration & SPL Spectral measurements Spectrograph measurements Transfer function measurements Review of earlier stuff, if necessary, before moving on. How to deal with noise and interference from other sources Further uses of FFT size/Time constant relationships Tinker time for rest of day Magnitude threshold and coherence blanking Loudspeaker measurement example Smoothing Synchronising Measurement and Reference signals – Delay locator Controller/delay line/equaliser measurement example Sample rate/FFT size/Time constant relationships, making the right choices Direct or direct + reverb
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Review of dual channel techniques – source independence Frequency domain and time domain Is it the room or the system? Using the spectrograph function for a quick check Spectrograph practice Spectrograph Dynamic range controls Tinker time Spectrum Banding Averaging Tinker time Drop-down menus, Help menu Control strip