Fatal error: Uncaught TypeError: Cannot access offset of type string on string in /www/wwwroot/chipdebug.com/wp-content/themes/zibll/inc/functions/shop/widgets/widgets-product.php:652 Stack trace: #0 /www/wwwroot/chipdebug.com/wp-content/themes/zibll/inc/csf-framework/classes/widget-options.class.php(676): zib_shop_widget_ui_oneline_product_lists() #1 /www/wwwroot/chipdebug.com/wp-includes/class-wp-widget.php(394): CSF_Widget->widget() #2 /www/wwwroot/chipdebug.com/wp-includes/widgets.php(847): WP_Widget->display_callback() #3 /www/wwwroot/chipdebug.com/wp-content/themes/zibll/inc/functions/bbs/inc/template.php(42): dynamic_sidebar() #4 /www/wwwroot/chipdebug.com/wp-content/themes/zibll/inc/functions/bbs/page/posts.php(36): zib_bbs_page_template() #5 /www/wwwroot/chipdebug.com/wp-includes/template.php(880): require_once('...') #6 /www/wwwroot/chipdebug.com/wp-content/themes/zibll/inc/functions/bbs/inc/class.init.php(426): load_template() #7 /www/wwwroot/chipdebug.com/wp-includes/class-wp-hook.php(353): zib_bbs->template_redirect() #8 /www/wwwroot/chipdebug.com/wp-includes/class-wp-hook.php(377): WP_Hook->apply_filters() #9 /www/wwwroot/chipdebug.com/wp-includes/plugin.php(523): WP_Hook->do_action() #10 /www/wwwroot/chipdebug.com/wp-includes/template-loader.php(23): do_action() #11 /www/wwwroot/chipdebug.com/wp-blog-header.php(19): require_once('...') #12 /www/wwwroot/chipdebug.com/index.php(17): require('...') #13 {main} thrown in /www/wwwroot/chipdebug.com/wp-content/themes/zibll/inc/functions/shop/widgets/widgets-product.php on line 652


RD2033不使用FFT,但我们使用Filterbank。对于我们在iCE40UP上没有的资源,FFT非常昂贵,因此我们不得不寻找其他方法。当FPGA启动时,我们绘制2个文件存储在FPGA,固件文件和Filter Bank文件中。这些存储在内存中,然后解决方案就可以运行了。音频数据通过I2S接口进入,然后发送到Filterbank。然后,滤波器组将该音频数据转换为图像,并将图像发送到NN引擎。 NN引擎获取图像和固件文件以获得输出。