{"id":25172,"date":"2023-10-30T12:47:03","date_gmt":"2023-10-30T11:47:03","guid":{"rendered":"https:\/\/demdlx704as001.ad.harman.com\/?post_type=documentor-sections&p=25172"},"modified":"2023-11-07T08:13:14","modified_gmt":"2023-11-07T07:13:14","slug":"xoverbiquad-2","status":"publish","type":"post","link":"https:\/\/audioworx.transfunnel.co\/old\/?p=25172","title":{"rendered":"XoverBiquad"},"content":{"rendered":"

The XoverBiquad audio object computes crossover bi-quadratic filter coefficients and calculates the output of the input audio buffers processed through the filters that users specify.<\/span><\/p>\n

Use Case:<\/strong> This object can be deployed whenever a user needs a crossover filter with specified parameters.<\/em><\/span><\/p>\n

XoverBiquad Properties<\/strong><\/span><\/p>\n

Below table describes about the XoverBiquad audio object <\/span>properties and functionality.<\/p>\n

<\/span><\/p>\n\n\n\n\n\n\n
Properties<\/strong><\/span><\/td>\nDescription<\/strong><\/span><\/td>\n<\/tr>\n
# of Channels<\/strong><\/span><\/td>\nEnter number of channels. The object has a configurable number of channels as well as the number of filters. The number of audio inputs is always equal to the number of audio outputs.<\/span><\/p>\n
    \n
  • Range: 1 to 64<\/span><\/li>\n
  • By default, the number of channels is set to 1.<\/span><\/li>\n<\/ul>\n

    In SFD, users can set the number of channels (the number of input and output channels is the same) as well as the number of filters. Users can also select the object corresponding to the required mode.<\/span><\/td>\n<\/tr>\n

Number of biquads<\/strong><\/span><\/td>\nThe number of elements generally describes the number of filters requested by the user.<\/span><\/p>\n
    \n
  • Range: 1 to 100<\/span><\/li>\n
  • By default, the value is set to 1.<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
Display Name<\/strong><\/span><\/td>\nDisplay the name of the XoverBiquad audio object in signal flow design. It can be changed based on the intended usage of the object.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Mode<\/strong><\/span><\/p>\n

There are no mode available for XoverBiquad audio object<\/span>.<\/p>\n

Additional Parameters<\/strong><\/span><\/p>\n\n\n\n\n
Parameter<\/strong><\/span><\/td>\nDescription<\/strong><\/span><\/td>\n<\/tr>\n
Biquad Topology<\/strong><\/span><\/td>\nThis audio object has an additional variable that allows you to pick the topology of the object at design time.<\/span><\/p>\n
    \n
  • Direct Form I (DFI)<\/span><\/li>\n
  • Direct Form II (DFII)<\/span><\/li>\n
  • Transposed Direct Form II (TDFII)<\/span><\/li>\n<\/ul>\n

    By default, the object uses DFII.<\/span><\/td>\n

<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Tuning Parameters<\/strong><\/span><\/p>\n\n\n\n\n\n
Parameter<\/strong><\/span><\/td>\nDescription<\/strong><\/span><\/td>\nTunable or Controllable<\/strong><\/span><\/td>\nRange<\/strong><\/span><\/td>\nDefault<\/strong><\/span><\/td>\n<\/tr>\n
Frequency<\/strong><\/span><\/td>\nFiltering frequency to be applied<\/span><\/td>\nTunable<\/span><\/td>\n10 Hz – 20 kHz<\/span><\/td>\n1000 Hz<\/span><\/td>\n<\/tr>\n
Type<\/strong><\/span><\/td>\nFilter type<\/span><\/td>\nTunable<\/span><\/td>\nThe memory layout is exposed in GTT as (per filter).<\/span><\/p>\n\n\n\n\n
\n
    \n
  • Bypass<\/span><\/li>\n
  • High pass 1<\/span><\/li>\n
  • High pass Butterworth 2<\/span><\/li>\n
  • High pass Bessel 2<\/span><\/li>\n
  • High pass Linkwitz Riley 2<\/span><\/li>\n
  • High pass Butterworth 3<\/span><\/li>\n
  • High pass Bessel 3<\/span><\/li>\n
  • High pass Butterworth 4<\/span><\/li>\n
  • High pass Bessel 4<\/span><\/li>\n<\/ul>\n<\/td>\n
\n
    \n
  • Low pass Linkwitz-Riley 4<\/span><\/li>\n
  • Low pass 1<\/span><\/li>\n
  • Low pass Butterworth 2<\/span><\/li>\n
  • Low pass Bessel 2<\/span><\/li>\n
  • Low pass Linkwitz Riley 2<\/span><\/li>\n
  • Low pass Butterworth 3<\/span><\/li>\n
  • Low pass Bessel 3<\/span><\/li>\n
  • Low pass Butterworth 4<\/span><\/li>\n
  • Low pass Bessel 4<\/span><\/li>\n
  • Low pass Linkwitz-Riley 4<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n
BYP_XOVER<\/span><\/td>\n<\/tr>\n
Bypass<\/strong><\/span><\/td>\nBypass enable or disable<\/span><\/td>\nTunable<\/span><\/td>\n0 – 1<\/span><\/td>\n0<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Control Parameters<\/strong><\/span><\/p>\n

There are no control parameters available for XoverBiquad audio object<\/span>.<\/p>\n","protected":false},"excerpt":{"rendered":"

The XoverBiquad audio object computes crossover bi-quadratic filter coefficients and calculates the output of the input audio buffers processed through the filters that users specify. Use Case: This object can be deployed whenever a user needs a crossover filter with specified parameters. XoverBiquad Properties Below table describes about the XoverBiquad audio object properties and functionality. 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