Search found 32 matches

by benbiles
Mon Dec 16, 2019 3:22 am
Forum: ESP-ADF
Topic: applying esp-dsp IIR biquad to pipeline or element ?
Replies: 22
Views: 5135

applying esp-dsp IIR biquad to pipeline or element ?

Hi, I'd like to modify an I2s audio stream with something like int NbufferSize = 1024; float coeffs[5]; // the 5 IIR bi quad coefficients in this array int delay(0,0); dsps_biquad_f32 (&NsamplesBufferInPointer, &iNsamplesBufferOutPointer, NbufferSize, coeffs, delay); Do I create my own element and t...
by benbiles
Sun Dec 15, 2019 4:58 pm
Forum: ESP-ADF
Topic: pipeline_passthru example / 2 channel mic problem
Replies: 1
Views: 999

pipeline_passthru example / 2 channel mic problem

Hi, I have flashed pipeline_passthru example on lyrat v4.3 and stereo line input asses through in stereo to headphones as expected. I changed AUDIO_HAL_CODEC_MODE_LINE_IN to.. audio_hal_ctrl_codec(board_handle->audio_hal, AUDIO_HAL_CODEC_MODE_BOTH, AUDIO_HAL_CTRL_START); Now I get one mic channel at...

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