iWoofer = 开放硬件和免费应用程序，用于低音炮的DSP控制

啸竹

感谢E1带来低频管理的新方案。   请问是否有成品硬件（已安装零件的电路板）销售？   

iWoofer

So far only Earthquake started mass production subwoofers equipped iWoofer http://www.earthquakesound.com/i ... cts/home-subwoofers I can ask the OEM factory which got the order to build iWoofer modules for sale, however, it have to be >100pcs I guess.

啸竹

iWoofer 发表于 2018-9-12 10:21
So far only Earthquake started mass production subwoofers equipped iWoofer http://www.earthquakesoun ...

我建议您自行少量生产套件(未焊接电路板，必须的芯片)。  生产印刷电路板，小于等于10厘米*10厘米，双面，10mil精度，7工作日内邮寄至家，freeshipping，10pcs，通常报价 40人民币。

iWoofer

and what next??

iWoofer

The latest Android version is here https://yadi.sk/d/wRabgbCA6a6w7g or on the Googleplay. Import of presets works fine with wechat.

cddiy

iWoofer 发表于 2018-9-14 17:45
The latest Android version is here https://yadi.sk/d/wRabgbCA6a6w7g or on the Googleplay. Import of  ...

帮朋友做了几台样机寄给客户，客户发现一个问题。用IPHONE控制比用安卓手机控制的效果更好。用手机连接到DSP模块没有蓝牙的干扰声音，断开手机蓝牙连接DSP.喇叭会有咔咔的声音。用手压在CC2540芯片上也没有咔咔声。请教怎么处理？是蓝牙天线不匹配吗？

iWoofer

Ha-ha, you are funny guy, disclose for yourself balanced input, also known as a differential input. https://en.wikipedia.org/wiki/Differential_signaling I've posted here -102db(A) S/N result for iWoofer V4.02 PCBA with active BLE and balanced input of course. You know, before you suspect the DSP error, now antenna's impedance, what is next? Maybe Planck's constant isn't correct for you? ))

my5abc

这个如果应用到车上应该会很好

iWoofer

fortunately, an average sized car needs only 10-12" decent woofer in a closed box to make near perfect frequency response, which is doesn't need further linearization. Why? Because inside or car all things are soft and not reflective for subwoofer frequencies at all - chairs, ceiling, floor, dashboard. So the iWoofer is not really needed there, the same as in a small and well-damped room.

sokyo

Hello， Iwoofer. As you know the android without the respond function, can we use the external
microphone WM61 to finished the respond function by 3.5mm audio jack or micro USB? Thank you!

iWoofer

No, only IOS version can do room compensation yet.

啸竹

iWoofer 发表于 2018-3-11 13:21
Hi everyone, I want to share my CM6631A design here. Cmedia is a quite weird company which doesn't h ...

Cmedia PDFs  https://www.cmedia.com.tw/support/download_center

Cmedia chip  many hardware options config by EEPROM ,but  PDF not Include how to config , you mast Email them （like： sales@cmedia.com.tw>;），tell them you COMPANY name ，hao many Chips you want buy ,and,  they well give you a tools(like CMA1XX_Config_Tool-2.01(CR).zip ) to make HEX file and burn EEP

啸竹

32M晶振，如何改为有源晶振？      APP是否支持 2 in 2 out

啸竹

Dear e1 :
Is it possible to publish the Chinese version of the Android app?

Can you provide all the English text, translate it by me and give it to you to recompile?

Can you let iwoofer manage frequencies below 20Hz?

Can provide a new version of Android APP and hardware, support measurement microphone, support the frequency response file of the microphone, and realize automatic measurement and room correction. This feature requires the user to purchase a verification code ($3) from you. After the verification code is entered, it is bound to the iwoofer hardware ID. It is not transferable and cannot be reused.

thankyou

iWoofer

啸竹, so far I too busy with E1DA, if we'll have time we'll prepare chinese Android version.

吻遍中国人

支持你俄罗斯的烧友！能不能介绍你们国家的发烧器材，线路图和功放制作要领！在国内看到有外国高烧烧友兼备单片机制作者简直是如雷贯耳啊！欢迎您iwoofer的加入！

啸竹

Dear E1 ：
  Android APP BUG List：
  1，In Xover interface , If I only control LPF and HPF , let the frequency response curve fall out of the screen range, then I will automatically exit the Xover interface and return directly to the interface just entered the APP.

  2，If I delete all PEQs and save to generate a new Preset, the Xover interface in this Preset, the PEQ switch is always OFF, click the "  PEQ OFF" button does not respond.

  3，The Preset selected in the Preset manager will be highlighted, but only the difference between gray and white is not obvious. I hope to change to other more obvious colors, such as bright green, bright blue and so on.  

  4，I recommend that you can choose to turn HPF and LPF on or off in the Xover interface.   Display the current Prest name on the Xover interface

  5，According to a private survey of Chinese subwoofer DSP users, we found that users want the lower limit of management of LPF and PEQ of DSP as low as 10Hz (currently iWoofer is 20hz), and Q up to 20 。The users involved in this survey have used Behringer DSP1124, ＭiｎiDSP (and HD Ver), ANITMODE2.0, etc.
   
     AND，users want the app to directly apply the EQ file automatically generated by the REW software.，，，，Of course, I also expect Iwoofer to support hardware microphones (support microphone frequency response calibration file and sensitivity calibration) to automatically implement room acoustic processing. Even the paid feature.
  
  6，I hope iWoofer is upgraded to support 1 in 2 out. I am willing to pay $3 for each app that supports 1In2Out, and if the app has room measurement and correction and  sound pressure meter and pink noise generator function (users calibrate the microphone sensitivity) , I am willing to pay another $3. A total of 6 dollars

  

啸竹

Dear E1 ：
Iphone APP BUG Report ：
Iphone 6， IOS 12.4.1  ， Iwoofer Pro Ver 1.1.3

1，I can't import any Preset files, and the app will close directly when I try to import the Preset file. And the same Preset file can be imported normally on the Android app.

2，When the APP is connected to the DSP, it will prompt to import settings from the DSP, but it always fails. (Android APP is fine)。

3，The room correction feature provides three repair options, boomy region, near field, and linear. The boomy region offers 70-200Hz calibration, which is not suitable for home theater. According to a large number of user best practices, the best setting method currently recognized in China is to set the main speaker, center speaker, surround speaker to “small” and HPF to 80hz. SUBWOOF is only responsible for playing back the sound of 20-80hz.

I think the boomy region mode should be at the last position of the menu or cancel this function. The linear mode is set to the default value.

yongpengwang

I developed a device similar to Iwoofer ,the hardware is ti cc2541+ adua1701 ,it is designed for speaker RTA/howling test
host device is adsp21489 +cc2541(host mode),noise  signal is pink/white , the frequency response curve will be corrected from 120hz to 12000hz

592657820

流着眼泪唱情歌 发表于 2017-7-3 00:20
再说用软件来的重低音到目前为止没有一个可以入耳的，否则foobar,windows media player早就开发出重低音插 ...

这个不是软件DSP，是用专用的DSP芯片，软件是用来调整芯片的参数，和直接软件DSP不是一回事