[EA Support]

EA Support

6 March 2023 at 9:37 am #634

Thanks for the files.

Impulse.txt loads fine.
RTA.txt is missing phase but we’ll have an update out shortly to just load the magnitude.

Regarding SMAART control, a TF average is streaming fine from SMAART v8 to FIR Designer here. However all TF’s that are used in the TF Average and the TF Average need to be “Active.” Just check the “Active” checkbox for each TF in the SMAART Control “SMAART Measurements” list, or turn them on in SMAART itself.

Best regards,
EA Support

[EA Support]

EA Support

6 March 2023 at 7:50 am #633

>> But REW RTA Window > Save Current > Export to txt > Import FIR-designer > impossible..please try to test it.

Have you compared the format of your REW RTA TXT file to the examples on our Import File Formats Page? If it does match but still won’t load, email us the file and we’ll take a look. The address is on the https://eclipseaudio.com/contact/ page.

>> I’m using Smaart version 8.

Thanks. We’ll take a look at the TF averaging.

Regards,
EA Support

[EA Support]

EA Support

5 March 2023 at 6:20 pm #628

Hi Eddie,

REW has multiple and different export formats. The page

Loudspeaker Measurement Import File Formats

shows two REW formats our software can import.

Regarding FIR Designer’s SMAART control, streaming of a TF average is not a scenario we have specifically tested. Which SMAART product and version are you using?

Regards,
EA Support

[EA Support]

EA Support

3 March 2023 at 9:16 pm #623

The IIR tab of FIR Designer can export raw coefficients for all IIR filters to a summary txt file, and the raw coefficients can be entered in this block.
https://wiki.analog.com/resources/tools-software/sigmastudio/toolbox/filters/general2ndorder/iircoefficient

We’re not familiar with the math behind the Sigma Studio IIR filters. Of the IIR modes we do support, some were created in partnership with the specific brand, and some we figured out through trial and error. We haven’t investigated Sigma Studio IIRs.

Best regards,
EA Support

[EA Support]

EA Support

17 February 2023 at 9:15 pm #621

Hi,

Since you only have the FIR filter coefficients at 48 kHz, try the following:
– start FIR Designer with an empty, new project,
– load the FIR filter onto the Target tab (in “File”) and uncheck both “Mag only” and “Phase only”
– set the “Design sample rate” to 96 kHz
– use the various FIR tabs to match the target response. (If the filter is fairly simple, the Auto Mag and Auto Phase may be enough to match the target.)
– on the “Export” tab, set the Filter length to 300 taps or longer and adjust the Filter delay to minimise the “Total Error.”
– then export to whatever file format you need.

We don’t have a separate converter tool right now, but we are thinking of making one. And obviously if you had the original FIR Designer project file, just changing the “Design sample rate” to 96 kHz and doubling the “Filter length” and “Filter delay” numbers would get you straight to a result.

Best regards,
EA Support

[EA Support]

EA Support

2 February 2023 at 12:15 pm #619

>> Thank you very much,
>>
>> One more thing. Something that would be an absolute game changer would be the
>> ability to load polar data for given loudspeaker channels and then see the
>> resultant polar coverage.
>>
>> Something like Vituix has however in combination with all of the functionality
>> you have in FIR designer it would allow for extremely interesting control of the
>> polar coverage of a loudspeaker.

Take a look at the video on

FIR Designer M 2.0 Release | New Features & Functionality

There’s a Suppplementary Responses view that allows loading of measurements sets for each driver and plots both the driver processed responses and the combined response. Whilst it’s not presented in a contour graph, it does provide a means of checking the systemm response in different directions.

We’ll add a contour plot to the ‘todo’ list.

Best regars,
EA Support

[EA Support]

EA Support

21 January 2023 at 8:59 am #616

BTW If you only wish to use 1 output channel, you still need to set the other 2 output channels and the input channel. These other channels can be set with no enabled IIR filters and just am impulse FIR filter, but they do need to be set with something for the module to work.

Again, our apologies that this is not documented clearly.

Best regards,
EA Support

[EA Support]

EA Support

21 January 2023 at 8:54 am #615

Ok…. phew…. there is no problem after all. It’s just the order of operations that is important in FIR Designer. (Note: FIR Designer M, being multiway, handles all of this in one step, rather than the following.)

1. Start the Lake Controller, load the FIR 3-way onto an amp module and press CNTRL-L to load the plugin. A message will appear saying the plugin has loaded.

2. Start FIR Designer and open 4 windows (using the menu “Project” -> “New Window” each time).
– Window 1 will be for the input IIRs
– Window 2 will be for output channel 1
– Window 3 will be for output channel 2
– Window 4 will be for output channel 3

3. Either load previously made projects or set up each FIR Designer window’s processing as desired. Ensure that:
– All window FIR filters have a length <= 384 taps
– Window 1 “Design sample rate” is 96 kHz.
– Window 2 “Design sample rate” is 12 kHz.
– Window 2 “Design sample rate” is 24 kHz.
– Window 2 “Design sample rate” is 48 kHz.

Note 1: the Lake FIR 3-way module has specific output sample rate requirements. Output channels must be 12, 24 and 48 kHz OR one at 48 kHz and the other two any combination of 12 and 24 kHz.
Note 2: my previous message above was incorrect. The IIR mode can be any brand. Biquad coefficients for the IIR filters (from any brand) will be pushed to the Lake module.

4. In FIR Designer, open the Lake DTP “Export to Lake FIR 3-way module” window.

5. In the “Export to Lake FIR 3-way module” window
a) For “Use FIR Designer Window,” choose Window 1 then press the Push “IIR Filters” button. The Input Sample Rate will show “96000” and a biquads number will appear.
b) For “Use FIR Designer Window,” choose Window 2 then press the Out 1 Push “Delay, IIR + FIR” button. The Out 1 Sample Rate will show “12000” and a biquads number will appear.
c) For “Use FIR Designer Window,” choose Window 3 then press the Out 1 Push “Delay, IIR + FIR” button. The Out 2 Sample Rate will show “24000” and a biquads number will appear.
d) For “Use FIR Designer Window,” choose Window 4 then press the Out 1 Push “Delay, IIR + FIR” button. The Out 3 Sample Rate will show “48000” and a biquads number will appear.

Prior to step 5.d), all the data is cached in the Lake Controller plugin but hasn’t yet been sent to the Lake FIR 3-way module. When step 5.d) happens, the plugin has all the necessary data and pushes everything to the module.

Now the module is ready for measuring.

Our apologies for the hassle. The module requires data to be set for every output channel, hence the need for multiple FIR Designer windows/projects. Again, things are much simpler in FIR Designer M since it already has all multiway channel data ready.

(We’ll check that our YouTube video covers all these steps.)

Best regards,
EA Support

[EA Support]

EA Support

21 January 2023 at 6:15 am #613

Ok, we have replicated here what you are seeing and there’s definitely a problem. We don’t know if the problem is in our Lake plugin or in more recent versions of the Lake Controller. We’ll investigate this week.

Thanks for you patience,
EA Support

[EA Support]

EA Support

21 January 2023 at 5:12 am #612

>> Is it normal, that I cannot access the output filters of your FIR modul in the Lake Controller?

No, that’s not normal.

In the project file you sent through, you’re using the “Legacy (General)” IIR mode. Change this to “Lake” and set your HPF in the Lake mode.

The plugin screen-shot shows “Data Set” “Yes” for “Out 3”, but “-” for Sample Rate and the number of biquads. This is a clue that data is not going through. (We will look into that here.)

I’d suggest:
– Run FIR Designer and open two extra windows using menu “Project” -> “New Window”
– Set each window to a “Design Sample Rate” of 48 kHz, 24 kHz and 12 kHz respectively.
– In each window, set a different parametric filter in the “Lake” IIR mode and set the FIR filter length to 384 samples
– Open the Lake DTP window “Export to Lake FIR 3-way module,” connect to the module then
— In “Use FIR Designer Window” select the 12 kHz window and press push “Delay, IIR + FIR” to “Out 1”
— In “Use FIR Designer Window” select the 24 kHz window and press push “Delay, IIR + FIR” to “Out 2”
— In “Use FIR Designer Window” select the 48 kHz window and press push “Delay, IIR + FIR” to “Out 3”

If this is successful, the “Sample Rate” and “Biquads” column should show numbers for the output channels, and not show “-“.

Let me know how you go.

Best regards,
EA Support

[EA Support]

EA Support

20 January 2023 at 10:39 pm #610

Your project file has the FIR filter set for 96 kHz. The Lake FIR 3-way module only allows 48 kHz, 24 kHz and 12 kHz for module output channels.

Uncheck “FIR output sample rate.” This will change the FIR sample rate back to 48 kHz. (When we implemented “FIR output sample rate” as separate to the processing sample rate, we forgot to add an error message for Lake.)

Best regards,
EA Support

[EA Support]

EA Support

14 January 2023 at 6:15 am #607

It can be done one window at a time. It’s just easier with 4 windows open.

Regards,
EA Support

[EA Support]

EA Support

13 January 2023 at 9:39 pm #605

Thanks. And did you have 4 FIR Designer windows open – one for input IIRs and one each for the 3 module output channels? Email us the FIR Designer project FDP files and we’ll take a look.

Best regards,
EA Support

[EA Support]

EA Support

13 January 2023 at 9:59 am #603

Hi URI,

Which product (FIR Designer, FIR Designer M) and which product version are you using?
Which Lake module are you using? (The Lake FIR 3-way – that comes with our Lake plugin – or one of the Lake XP modules?)
Can you email us your FIR Designer project and/or system files? info (at) eclipseaudio.com
Also, can you provide a screenshot of the FIR Designer Lake DTP or “Export to Lake” window?

Best regards,
EA Support

[EA Support]

EA Support

9 December 2022 at 11:51 am #598

I just emailed you a link to the plugin.

Note that FIR Creator EX and FIR Designer work with the Lake FIR 3-way module. Th newer Lake XP 1, 2, 3 and 4-way modules, with FIR, can only be loaded from FIR Designer M.

Best regards,
EA Support