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RA Program manual
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 About this manual  Introduction of RA  Operation Guide  Impulse response  Running ACF  Reference Manual (Version 3, Version 5 Appendix

This reference manual is written for RA Version 2.0.0.1 and Version 3.1.6.8. Check the version of your RA (Help menu > Version information) before reading this document.  

For users of Version 5.x.x.x, read the reference manual for Version 5.

Last updated: 2004/09/06


  1. Main Window
  2. Signal Generator
    1. Tone
    2. Noise
    3. Sweep
    4. Pulse
  3. FFT Analyzer
  4. Oscilloscope
  5. Impulse Response
  6. Running ACF
  7. Preset
  8. Keyboard shortcut

Last updated: 2004/05/24


1. Main Window of RA


1-1. Menu bar 

Menu Item Description
File (F) Exit (X) Quit the application.
Window (W) Signal generator (S) Open / close the signal generator window.
FFT analyzer (F) Open / close the FFT analyzer window.
Oscilloscope (O) Open / close the oscilloscope window.
Impulse response (I) Open / close the impulse response window.
Running ACF (A) Open / close the runnng ACF window.
Preset (P) Open / close the preset window.
Help (H) Version information (V) Show the version information.
Read me (R Open the read me file. 
Online manual (M) Open the online manual (only when connected to the Internet). 
Technical support (S Open the technical support page (only when connected to the Internet). 
Document Q&A (Q) Open the Q&A page (only when connected to the Internet). 
Online update (U) Execute the online update (only when connected to the Internet, and available only in Version 5.x.x.x.). 

*Alphabets after the item name ( _ ) show the shortcut keys. 

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1-2. "Input Device" and  "Peak Level Monitor" 

Item Description
Input Device Selection of an input device. It is same as the Windows volume control.  
[Example] Choose a "microphone" if your computer has a microphone input terminal and you want to use it. Choose a "line-in" if your computer has a line-in input terminal and you want to input a signal from external apparatus (e.g. DAT and pre-amplifier). When reproducing sound files (.wav) in signal generator or in Running ACF, choose WAVE or Mixer (this name depends on your computer or sound driver). 

more info about device selection 

Volume Adjustment of the input signal volume. Adjust the volume using peak level meter or an oscilloscope not to be distorted or not to be too small.
Input Peak level monitor of an input signal. Check this box to start the display. 

more info about peak level monitor 

Output Peak level monitor of an output signal. This level can be adjusted only by the digital volume in signal generator. When playing a wave file (in the Running ACF or the Impulse response), peak level of that file is displayed in real time.

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1-3. Function buttons on the main window of RA

Buttons Descriptions
Signal Generator Tone, noise, sweep and pulse is generated as a stereo signal. As for tone, sinusoidal, triangle, square, and saw-tooth wave can be chosen. Each channel can generate different signals with specified frequencies. As for noise, white and pink can be chosen. Sweep is a tone signal of which frequency is varied continuously. Pulse signal is generated with specified number of time, duration and interval.
FFT Analyzer Two channels spectrum analyzer, 1/3 octave band analyzer, 3D display (TEF), correlation function (auto- and cross-) can be chosen.
Oscilloscope Two channels oscilloscope.
Impulse Response The impulse response of a room is measured automatically with MLS (Maximum Length Sequence) or TSP (Time Stretched Pulse) methods. Measured impulse response can be saved as a wav. format. A wav. format impulse response can be imported from other measurement system.
Running ACF The running ACF (autocorrelation function) and CCF (cross-correlation function)  is measured. It is a time domain sound analysis method. Sound can be recorded up to 30 seconds. Recorded sound can be played and saved as a wav. format. A wav. format sound file can be imported.
Preset Setup of RA can be stored as a "preset." Loading a preset, all settings of RA is recovered. Each preset is named and comment can be added. This function not only shortens the preparation time before the measurement, but it reduces a mistake. It is highly recommended to use this function for the easy and precise measurement.

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2. Signal Generator

In the signal generator, several kinds of the test signals are generated automatically. Tone, noise, sweep, and pulse signals can be controlled and generated separately with an easy operation.



Common items in "Signal Generator"

Name Description
Output The output of sound signals starts by clicking the [Start] button.
There is a stopwatch function. Time counter starts by clicking on the [Start] button and the time counter is displayed here during the output. The count lasts until the output is finished.
Sampling Rate Number of sampling per second. Hardware is automatically checked and the available sampling rate is displayed. Generally, it is better to choose 44 kHz or 48 kHz. 
Digital Output Adjustment of the digital output level to pass through D/A converter.
Output Level Adjustment of the analogue output level after the D/A converter. When the [Interlock] box is checked, left and right channels are outputted as the same level. This control is linked with the Windows volume control.
Exit "Signal Generator" program finishes.

Four functions of "Signal Generator"

i. Tone
The tone signal of sinusoidal, triangular, square or sawtooth waveform is generated at arbitrary frequency.
ii. Noise
The white noise or the pink noise are generated.
iii. Sweep
Sweep signal is generated with arbitrary start and end frequencies, sweeping speed and waveform.
iv. Pulse
The square pulse signal with arbitrary width and period is generated.

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2-1. Tone



Explanation of the options in "Tone"

Option Description
Frequency Specify a frequency by the numerical value or by the slider. When the [Interlock] box is checked, left and right channels are set equal.
Waveform Choose the waveform of output sound from [Sinusoidal], [Triangular], [Square] and [Sawtooth].

* About the kind of the waveform

Back to Signal generator

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2-2. Noise

 

Explanation of options in "Noise"

Field Option Description
Noise White Noise White noise contains equal energy for all frequency. Its power spectrum is flat.
Pink Noise Pink noise contains equal energy for all octave frequency. Energy decreases for high frequency. Its octave band spectrum is flat.
Mode Monaural Outputs the same signal for left and right channels.
Dual Outputs a different signal for each channel.
Inverse Phase Outputs an inverse-phased signal for each channel.

Back to Signal generator

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2-3. Sweep



Explanation of options in "Sweep"
Option Description
From
To
The frequency sweep is generated from the frequency inputted in the [From] to the frequency inputted in the [To]. This is the logarithmic sweep, of which the frequency increases with a fixed rate of octave change per time. It means that the energy is constant within octave bands and it decreases at 3dB/oct.
Loop Normally, a sweep signal is outputted only once. If [Loop] is checked, the output is repeated.
Rate Sweep Rate [octave/sec].
Waveform Select the waveform of output sound.

Back to Signal generator

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2-4. Pulse



Explanation of the options in "Pulse"

Option Description
Width of Pulse Set up width of pulse [ms].
Number of Pulse The number of output. If [Interlock] is checked, the output is repeated.
Period Set up a period [ms].
Polarity Set up polarity of a waveform.



[Reference] Pulse wave

Back to Signal generator

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3. FFT Analyzer


In the FFT analyzer, 2ch spectum analyzer, octave band analyzer, TEF (time-energy-frequency) analyzer, and correlation meter are available. 



3-1. Common items of the FFT analyzer

Commands or options Descriptions
Input Measurement starts with the [Start] button. Time counter starts when the Start button is clicked and the elapsed time is displayed here during the measurement. The time count lasts until the output is finished.
Calibration The calibration of microphone are done. ->3-3. Microphone calibration
Level Peaks of energy level for L (= left) and R (= right) are shown respectively [dB].
By a left-click on the graph, the energy level at the frequency where you clicked on is indicated. By a right-click, the total level is indicated.
Frequency Peaks of frequency for L (= left) and R (= right) are shown respectively [Hz].
Resolution Resolution is shown, which depends on a FFT size and a sampling rate.
F: frequency [Hz]. It shows the interval, at which the data is obtained.
T: time [ms].
Split L-R If this checkbox is checked when the "2 ch" is selected, screen is split in two and data for each channel are displayed separately.
Exit Finishes the "Realtime Analyzer".
Level Range A setting of an indicated range of energy level (= vertical axis).
Freq. Range A setting of an indicated range of frequency (= horizontal axis).
Sampling Rate Set a sampling rate of A/D conversion.
FFT Size A block size of FFT (Fast Fourier Transform).
Time Window The time window is used to decrease extra frequencies, Select the time window which meets the case.
Rectangular: Rectangular window
Hamming: Hamming window
Hanning: Hanning window
Blackman :Blackman window

more info about time window

Freq. Weighting Select characteristics of auditory-filter from Flat, A-weighting, B-weighting, and C-weighting.
Channels 1ch: One channel (light blue)
2ch: Two channels (light blue and red)
Freq. Axis A setting of the scale on frequency axis.
Logarithm: A rate is constant.
Linear: A difference is constant.
Time Resolution Speed of real-time display is specified. "1x" (standard), "2x" (double) and "4x" (4 times) can be specified as a refresh rate of a real-time display.
Moving Average If the time is specified (1sec to 10sec, or until measurement end), The average value of specified period is displayed.
Smoothing An indicated line is smoothed by averaging with a value here.
If the value is large, the line is easy to see, but the response is getting slower.
Peak Detection Peak: A peak is indicated with blue (In the case of 2 channels, blue and red).
Peak Hold: Peak indication lasts for some seconds (Green).
When "Manual Reset" is chosen, peak indication is done until the "Reset" button is pushed. When "Auto Reset" is chosen, peak indication is done during the specified period.
Number of Data The number of time axes which are indicated in "Waterfall".
Direction of Axis Direction of the time axis in "Waterfall". When [Forward] is selected, the time shifts forward on the screen. When [Backward] is selected, the time shifts backward.
Correlation ACF: Autocorrelation is displayed.
CCF: Crosscorrelation is displayed.
Moving the "Zoom" slider makes it possible to zoom the correlation function to a suitable scale on time-axis.
maximize button : click to enlarge the measurement screen
close button : click to close the analyzer window

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3-2. Measurement windows

Five functions of the FFT analyzer
Items Description
Spectrum Measures the power spectrum of the input signal. Sound level is displayed as a function of frequency.
Octave band Octave band analysis is performed. Energy at each octave band is displayed.
Waterfall Time-energy-frequency analysis is performed. Results are displayed in the 3D graph.
Correlation Auto- and Cross-correlation functions are measured. 

目次へ戻る


3-3.Microphone calibration

The Calibration dialog as below opens by clicking the Calibration button on the FFT analyzer.  When the program is installed, no calibration data appears. To save a microphone data, click the Edit button. 

When the Edit button is clicked, the Calibration dialog expands and the edit window appears as below. On this window, the sensitivity calibration and the edit of frequency response curve are done. See the microphone setting in the operation guide for how to edit and save the microphone data. 

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4. Oscilloscope

The waveform of the input signal is observed. Vertical axis is amplitude and horizontal axis is time. When "X-Y" check box is marked, horizontal axis is left channel's amplitude and vertical axis is right channel's amplitude. The mark on the left of window indicates the point of trigger start level.


**This is the Oscilloscope window of the latest version of RA (Version 5.0.3.0). 

Supplementary information of an oscilloscope New! 2004/01/20

The oscilloscope is generally used in checking an operation of electronic circuits. Voltage variations in a short time, or its oscillating waveforms are measured in real time. RA's oscilloscope not only measure the voltage waveform, but also waveforms of various signals through the input devices. 

Input devices as below can be used by the oscilloscope. 

Device Description
WAVE Sound signal generated inside the PC, such as Windows Media Player or RA's signal generator, can be measured. 
SW synthesizer(MIDI) Output signal of the SW synthesizer can be measured.
CD player Signal in the CD (test signal or music) can be measured.
マイク Signal from the built-in microphones or devices connected to the microphone port can be measured. 
telephony Signal from the internal modem can be measured. 
PCBeep Phase difference between two channels can be measured.

When measuring the voltage signal by using the electronic probe, the maximum input level of the sound mixer should be checked before the measurement. Usually, it ranges from 1.0 and 1.5 V. 

The oscilloscope displays the input waveform as a digital value between -32767 and +32766. The values corresponds to the maximum voltage of the sound mixer.

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4-1. Items of the Oscilloscope 

Item Description
Level Range Adjustment of amplitude (1 to 32768).
There is [Automatic] function.
Position A vertical position of a waveform is adjusted with a ruler for each channel.
If [Single] button is clicked, the waveform is arranged at the middle of window. If [Dual] button, two waveforms are arranged vertically.
Sweep Time Range Time range for one graduation on the horizontal axis [ms].
Delay Time An interval from the input to the display [ms].
Set the range of 'B', by selecting 1ms, 10ms, 100ms, or 1000ms from a pop menu (A). Then, adjust the delay time (= It is shown in the box 'C') with a ruler (B).
For example, when you select "1ms" from a pop menu (A), The scales of a ruler (B) mean from 0ms to 1ms.
When you select "10ms" in A, the scales of B mean from 0ms to 10ms.
Trigger Settings Trigger settings are done here.
  Level Trigger level is set up. This is the starting point of a waveform.
There is an automatic adjustment function (Check [Auto] box.)
Channel Select the channel which becomes the object of trigger settings.
Slope The timing of trigger.
- Ascent: When a waveform gets over the trigger level in upward direction, the trigger is pulled. (A waveform starts upward.)
- Descent: When a waveform gets over the trigger level downward, the trigger is pulled. (A waveform starts downward.)
Highcut High frequency noise is cut.
Lowcut Low frequency noise is cut.
Relative With a check here, it is indicated relatively. Without a check, an absolute position is shown.
Indicator The starting level of trigger is indicated with "" mark.
Auto Trigger If you check here, the indication is performed even when it has no trigger for a certain period of time.
Single Stops with the first indication.
Reset You can reset with [Reset] button, after you use [Single] function.
Lch Inverse Inverts a waveform of left channel up and down.
Rch Inverse Inverts a waveform of right channel up and down.
X-Y Indicates the left channel as a vertical axis and the right channel as a horizontal axis. It is shown with green.
Sampling Rate A sampling rate of A/D conversion.
Channels -1ch: One Channel(blue)
-2ch: Left and right, two channels(blue and red)
Start (Stop) Starts (and stops) an oscilloscope.
Exit Closes "Oscilloscope". 

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5. Impulse Response 



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5-1. Items on the Impulse response window

Field Description
Measurement The measurement starts with [Start] button. Though the measurement finishes automatically, you can stop it with [Stop] button.
File [Save...] button: Saves the data measured here. -> 5-2. Save measurement data
[Load...] button: Loads the data stored previously. -> 5-3. Load measurement data
Sampling Rate Sampling frequency. 8 to 48kHz.
Conditions [Adjustment...] button: Input & output level, microphones position, measurement time are adjusted. -> 5-4. Adjustment
Measure Time The time duration for measuring impulse response. (The scale on horizontal axis)
Summation The number of times that MLS signal (period) are added and averaged out.
If this number becomes larger, S/N ratio is improved. But, the time duration becomes longer.
Channels Choose stereo (= 2 channels) or monaural (= 1 channel).
Method The MLS method and the TSP method can be used in the impulse response measurement. It can be used only by choosing one of the MLS and the TSP.
TSP is the signal in which the energy of an impulse is distributed on the time axis. In the TSP method, an impulse response is calculated by generating TSP signal, acquiring the response and returning the dispersed energy.
Auto level It is adjusted so that an output level can become the most suitable. (An output level is enlarged within the range that an input doesn't become saturated, and S/N ratio is improved.)
If you turn "Auto Level" off. You can adjust sound volume (output level) at random using Windows sound volume control.
Auto Retry Measurement will be repeated until distortion-free data can be obtained. You can release it at your option by switching on/off.
Correction Unnecessary response of the measurement system such as microphone and speaker are removed.
[Setup...] button: Sets the Inverse filter.
[Cancel] button: Cancels the Inverse filter.
[Save...] button: Saves new Inverse filter. 

-> 5-5. Correction (inverse filter setting)

Output Wave File The data are saved in wave file format and text file format.
Play Clicking on this enables to listen to the impulse response sound.
Exit "Impulse Response" program is finished.
These buttons adjust the range of indication of impulse response.
Measurement Conditions Various conditions of the measurement are shown. (Time, Measurement Time, Bits, Sampling Rate, Summation, Channels)

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5-2. Save Measurement Data
Clicking [Save...] button on "Impulse Response" window, the following "Save Measurement Data" window appears.
The measured data will be stored in a folder.

 

No. Field Description
(1) Folder The folders, in which the measured data are stored, are listed.
(2) Measurement Conditions The measurement conditions of measured data are indicated.
(3) Observations Input the information about the data to save.
(3)-A Title Input data's name.
(3)-B Comment You can make optional comments upon the data.
(4) Time The time and date when data were measured.
(5) Save Saving is carried out.
(6) Folder... The folders in which the data are stored are managed. You can create new folder, alter the information such as folder's name, and delete a folder. ( -> Explained in the following section.)

< Procedure for saving measured Impulse Response data >
1. Select the folder to save data;
From [Folder] list box , select the folder into which you want to save the measured data. If you want to save in a new folder, click [Folder...] button and create a new folder there.
2. Input data's name;
Input the name of measured data into [Title] text box. And input the other information into [Comment] text box if necessary.
3. Save the data;
Carry out with [Save] button. If you want to cancel, click [Cancel] button.


<Folder Management>

Clicking [Folder...] button on "Save Measurement Data" window, the following "Folder Management" window appears.


No. Button and Field Description
(1) - The folders, in which the measured data are stored, are listed.
(2) - Information about the folder.
(2)-A Title Folder's name.
(2)-B Name The person who carried out the measurement. (Optional)
(2)-C Place The place where the measurement were done. (Optional)
(2)-D Comment Optional information. (Optional)
(2)-E Data The date when the folder was created. It is set automatically.
(2)-F Scale In the case of experiment with a model, its scale is inputted. For example, you measured the impulse response for 1/10 scale model, you should input "10" in the box.
(3) New Creates a new folder, which has the information you have inputted to (2). The new folder appears in the list box.
(4) Change Changes the information about the folder which is selected in the list box.
Select the folder in the list box, and the information about this folder are displayed in (2). Alter the information in (2) and then click this [Change] button.
(5) Delete Deletes the folder which is selected in the list box.

Back to Items on the Impulse response window


5-3. Load Measurement Data

Clicking [Load...] button on "Impulse Response" window, the following dialog appears. Select the impulse response data you want to load, here.

No. Field and button Description
(1) Folder The folders, in which the measured data are stored, are listed. Here, select the folder which includes the data you want to load. The information (Title, Name, Place, Comment, and Date) about selected folder are shown below the list box.
(2) Measurement Data The data which are included in the folder selected in [Folder] list box (1) are listed. Here, select the data you want to load.
The information (Title, Comment, and Time) about selected data are shown below the list box.
(3) Load Loads the data selected in [Measurement Data] list box (2).
(4) Delete Deletes the data selected in [Measurement Data] list box (2).
(5) Folder... Opens [Folder Measurement] dialog.
(6) Wave File Loads wave file.
(7) Import Imports database of DSSF3/RAE/RAD.
(8) Cancel Closes this dialog without doing anything.

Database of the impulse response measurement can be imported from DSSF3/RAE/RAD on other PC.

Open the shared drive on your LAN.

Open database of DSSF3.

Back to Items on the Impulse response window


5-4. Adjustment

Input and output level, microphone position, measurement time are adjusted so that they can become the most suitable for the impulse response measurement.

No. Field Description
(1) Input Output Level By clicking [Start] button, a signal sound is outputted. Then, adjust the volume of amplifier to the level marked with [Normal].
A result is indicated, "OK" or "NG".
(2) Mic. Position The difference between the distances from the sound source to left and right microphones is indicated in [Distance] text box. Adjust this value to "0".
(3) Measuring Time According to the size of reverberation in the sound field, the most suitable time for measuring is set.
When the measurement time is shorter in comparison with the reverberation time, the measurement is not carried out exactly. And, when the measurement time is too long, it takes long time to measure and calculate.

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5-5. Correction (inverse filter setting)

[Save] the inverse filter

In this window, the inverse filter is created from the measured impulse response. Only the initial part of the response should be selected because the response of the measurement system is included in this part.

No. Fields Description
(1) Impulse Response Measured impulse response is shown. The yellow area represents a filtering range.
Adjust the boundary of the yellow area, so as to include the part which is thought of as the impulse response of the measurement system within the yellow area. Drag left and right borderlines when the mouse cursor shape changes to "<-| |->" over borderline.
(2) Filtering Characteristics (Level, Phase) of the inverse filter corresponding to the impulse response which is cut out from (1) are indicated.
Red curve is characteristic of sound pressure level, and green curve is the phase characteristic.
(3) Title Input the name for the present inverse filter.
(4) Comment Input the comment on the present inverse filter.
(5) Maximum Level Sets the SPL limit for correction of the inverse filter.
(6) Phase Correction When this box is checked, both SPL and phase are corrected. If not, only SPL is corrected. Ordinarily, it should be checked.
(7) Save Saves the inverse filter.
(8) Exit Closes this dialog.


[Setup] the inverse filter

To set the filter, click the "Setup" button and select the filter. Then start the measurement. The impulse response of a room excluding the response of the measurement system can be measured. 

No. Field Description
(1) (List box) The inverse filters which have been stored are listed.
(2) Impulse Response Measured impulse response is shown. The yellow area represents a filtering range.
Adjust the boundary of the yellow area, so as to include the part which is thought of as the impulse response of the measurement system within the yellow area. Drag left and right borderlines when the mouse cursor shape changes to "<-| |->" over borderline.
(3) Filtering Characteristics (Level, Phase) of the inverse filter corresponding to the impulse response which is cut out from (2) are indicated.
Red curve is characteristic of sound pressure level, and green curve is the phase characteristic.
(4) Title The name of the present inverse filter.
(5) Comment The comment on the present inverse filter.
(6) Maximum Level Sets the SPL limit for correction of the inverse filter.
(7) Phase Correction When this box is checked, both SPL and phase are corrected. If not, only SPL is corrected. Ordinarily, it should be checked.
(8) OK Applies the selected inverse filter to the measurement.
(9) Cancel Closes this dialog without doing anything.
(10) Overwrite Saves the altered inverse filter.
(11) Delete Deletes the selected inverse filter.

Back to Items on the Impulse response window

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6. Running ACF/CCF



6-1. Items on the Running ACF window

Items Descriptions
Graph (Upper) The graph of the Running ACF is displayed. The vertical axis is the autocorrelation, the horizontal axis is the time, and the depth is the running step.
Measurement The measurement starts with [Start] button. Although the measurement stops automatically if the time you have set passes by, it is possible to stop it with [Stop] button.
File [Save...] button is used for saving the measured data in a file (database) -> 6-2. Save measurement data

 [Load...] button is used for loading the stored data. -> 6-3. Load measurement data

Measurement
Settings
Sampling Rate A sampling rate of A/D conversion. (44.1 or 48 kHz is recommended)
Time Set the time for measuring.
Channels Choose the number of channel used for measurement, 1 channel (monaural) or 2 channels (stereo).
Display
Settings
Integration Time Set the Integration Time of ACF between 0.001 and 10 s.
Running Step Set the Running Step (calculation interval) between 0.001 and 10 s.
Time Range Set the maximum value of the horizontal axis (t) in the graph.
Freq. Weighting Select the frequency weighting filter.
Number of Data Set the number of the data on the time axis (= The depth of graph)
Direction Set the direction of the time axis of the graph.
Forward: The time shifts forward.
Backward: The time shifts backward.
Vertical Axis Set the scale of the vertical axis (Autocorrelation value).
Linear: Autocorrelation is indicated in linear scale between -1 and 1. If [Abs.] box is checked, absolute value of Autocorrelation is indicated between 0 and 1.
Log: Autocorrelation is indicated in logarithm (decibel) scale. Its range is from 0 dB to the value inputted to the right text box.
Channel In the case of stereo measurement, left channel's data is displayed by checking "L ch" radio button, and right channel's data is displayed by checking "R ch" radio button. (Left channel's data is displayed in light blue, and right channel's one is pink.) In the case of monaural measurement, only left channel is displayed.
Redraw When the setting is changed, clicking on this button displays new data.
Input Wave The waveform of the input signal is displayed.
Normalization The input data is normalized between -1 and 1.
Edit Unnecessary part can be removed from the measured data.
[Sel. Area] text boxes: Input the start and the end of the part you want to select. The selected area is painted with light blue. Or, this light blue area is changeable by dragging its left and right borderlines when the mouse cursor shape changes to "<-||->" over borderline.
[Cut] button: Cuts off the part except light blue area.
[All Sel.] button: Selects the whole area. (The whole area become light blue.)
[Replay] button: Outputs the selected part (light blue area) from the speaker. During playback, a green line indicates where is replayed.
Measurement Conditions The measurement conditions (Time, Sampling Rate, Measurement Time) are shown.
Exit Finishes "Running ACF" program.

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6-2. Save Measurement Data
Clicking [Save...] button on "Running ACF" window, the following "Save Measurement Data" window appears.
The measured data will be stored in a folder.


No. Field Description
(1) Folder The folders, in which the measured data are stored, are listed.
(2) Measurement Conditions The measurement conditions of measured data are indicated.
(3) Observations Input the information about the data to save.
(3)-A Title Input data's name.
(3)-B Comment You can make optional comments upon the data.
(4) Time The time and date when data were measured.
(5) Save Saving is carried out
(6) Folder... The folders in which the data are stored are managed. You can create new folder, alter the information such as folder's name, and delete a folder. ( -> Explained in the following section.)
(7) Wave file Saves as Wave file.

< Procedure for saving measured ACF data >
1. Select the folder to save data;
From [Folder] list box , select the folder into which you want to save the measured data. If you want to save in a new folder, click [Folder...] button and create a new folder there.
2. Input data's name;
Input the name of measured data into [Title] text box. And input the other information into [Comment] text box if necessary.
3. Save the data;
Carry out with [Save] button. If you want to cancel, click [Cancel] button.


<Folder Management>

Clicking [Folder...] button on "Save Measurement Data" window, the following "Folder Management" window appears.


No. Field and button Description
(1) - The folders, in which the measured data are stored, are listed.
(2) - Information about the folder.
(2)-A Title Folder's name
(2)-B Name The person who carried out the measurement. (Optional)
(2)-C Place The place where the measurement were done. (Optional)
(2)-D Comment Optional information. (Optional)
(2)-E Date The date when the folder was created. It is set automatically.
(2)-F Scale In the case of experiment with a model, its scale is inputted.
(3) New Creates a new folder, which has the information you have inputted to (2). The new folder appears in the list box .
(4) Change Changes the information about the folder which is selected in the list box.
Select the folder in the list box, and the information about this folder are displayed in (2). Alter the information in (2) and then click this [Change] button.
(5) Delete Deletes the folder which is selected in the list box.

Back to Items on the Running ACF window


6-3. Load Measurement Data
Clicking [Load...] button on "Running ACF" window, the following dialog appears.
Select the ACF data you want to load, here.


No. Field Description
(1) Folder The folders, in which the measured data are stored, are listed.
Here, select the folder which includes the data you want to load. The information (Title, Name, Place, Comment, and Date) about selected folder are shown below the list box.
(2) Measurement Data The data which are included in the folder selected in [Folder] list box are listed. Here, select the data you want to load.
The information (Title, Comment, and Time) about selected data are shown below the list box.
(3) Load Loads the data selected in [Measurement Data] list box.
(4) Delete Deletes the data selected in [Measurement Data] list box.
(5) Folder... Opens [Folder Management] dialog.
(6) Wave file Opens Wave file.
(7) Import Imports database of DSSF3/RAE/RAD.
(8) Cancel Closes this dialog without doing anything.

Back to Items on the Running ACF window

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7. Preset

You can save the window's status and location and various settings, and you can call them in the future.


No. Button Description
(1) List box The preset which ware saved previously are listed.
(2) OK Reproduces the preset selected on the list box.
(3) Cancel Closes this dialogue, without doing anything.
(4) New Saves the current status.
(5) Overwrite Overwrites the preset selected on the list box by the current status.
(6) Delete Deletes the preset selected on the list box.

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8. Keyboard shortcut

A keyboard shortcut is a combination of keys that can be pressed to do something that you normally do with the mouse. This topic instructs how to find and use keyboard shortcuts in RA.

For example, as in the figure below,  items in the menu bar start with underbars like Window. This means that you can press Alt + W to see the window menu. The buttons on the RA's main window also have shortcuts (Signal Generator, FFT Analyzer, Oscilloscope, and so). 

Some of the buttons on the measurement window also have shortcuts. The most useful one might be the Start / Stop key. To start and stop the measurement, just press the S key. In other window, several buttons have shortcuts as well. Check the measurement window and find useful shortcuts.

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Yoshimasa Electronic Inc.
 Introduction of RA  Operation Guide  Impulse response  Running ACF  Reference Manual  Appendix

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