Dynamic range compression question

geoschmi
Posts: 2
Joined: Mon Dec 21, 2020 6:59 pm

Dynamic range compression question

Postby geoschmi » Mon Dec 21, 2020 7:07 pm

Hello to all,

I am a complete beginner.
I use a LyraT v.4.3 and am looking for a way to include a dynamic range compressor in the pipeline. Classic with threshold, attack time etc.
Unfortunately I have not found an example function.
Is there a possibility to run the streamed contents in the passthru
for example over a Compressor?
Thanks in advance

ESP_HengYC
Posts: 184
Joined: Fri Dec 15, 2017 2:45 am

Re: Dynamic range compression question

Postby ESP_HengYC » Tue Dec 29, 2020 3:20 am

DRC(Dynamic range compression) is not ready, would you like try ALC(https://github.com/espressif/esp-adf/tr ... peline_alc), this feature is similar, so evaluate if it meets your needs.

geoschmi
Posts: 2
Joined: Mon Dec 21, 2020 6:59 pm

Re: Dynamic range compression question

Postby geoschmi » Tue Dec 29, 2020 7:59 pm

Hello and thank you for the answer,

is it possible to add the use_alc_set_volume to the passthru example?
I have tried so far to combine it and use the I2s_stream reader instead of the wav_decoder etc, but I don't get the same effect as when using the SD card.

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