测量、试验及标准室-SoundCheck测相位问题声学楼论坛

SoundCard Performance
This is a universal sequence for testing the Frequency Response, Sensitivity, THD, Play/Record Delay, and Self Noise of your soundcard. For SoundCheck Version 5 ONLY

exe File 152kB

Product Test Sequences

Headphone Test Sequence - a sequence to measure the performance of headphones

Noise-Cancelling Headphone Test Sequence - a sequence to measure the performance of noise-cancelling headphones

Loudspeaker Splice Measurement Sequence - a sequence to measure the near and far field response of a loudspeaker and splice the two together to simulate a free field measurement

Microphone Self-Noise Meaurement Sequence - a sequence to measure the self noise of a condenser microphone using the spectrum analysis step and a power sum calculation to derive an RMS rating for the unit under test.

SoundCheck ® Version 8.0 - Sneak Preview

图片点击可在新窗口打开查看 SoundCheck 8.0, due for release in April, contains a host of new features designed to simplify the test and measurement process and offer a wider choice of data output options.

These features include:

Expanded printing functionality. Printing now acts as a report generator to Excel, Word, Html or image files and can send data and images to Word or Excel templates. There is a report print preview option, and the user can print either to file or directly to a printer.
Improved calibration - SoundCheck 8.0 offers a database of transducers with one DAT file for each transducer for direct access to individual input/output device calibration info. External correction/equalization curves can be imported.
Improved usability of the sequence editor including comment lines, comments on steps, visualization of in/out data per step, a \'replace step\' feature and full right click operation.
The Autosave feature has several improvements including an \'apply\' button, simplification of folder paths, the option to browse to a folder at run-time and use of memory list values for filename construction
SoundCheck 8.0 also features miscellaneous algorithms improvements including a faster frequency shift algorithm, faster logTSR with choice of time windows, faster loose particles algorithm with a cleaner envelope, record level monitoring for better acquisition control, wavefile streaming in signal generator, and a new MLS stimulus.