Search found 79 matches

by Jakobsen
Wed May 27, 2020 1:26 pm
Forum: General Discussion
Topic: wifi + I2s
Replies: 5
Views: 317

Re: wifi + I2s

There are lots of good example out there that takes a http based audio stream from the internet via WIFI and output audio via I2S to a codec/audio amplifier. In case you want to use your mobile to source the audio you can use the bt audio sink examble. If you require Wifi one option is to wait for s...
by Jakobsen
Mon May 11, 2020 9:15 pm
Forum: ESP32 ADF
Topic: A2dp sink volume control?
Replies: 5
Views: 599

Re: A2dp sink volume control?

Hi MooaLot Correct design practice would be control volume in as close the speaker as possible - so if your last point of control is an external DAC find out if it has a volume control to offer over I2C. If that is not the case you are back to apply you volume to you PCM sample before you pass them ...
by Jakobsen
Fri May 01, 2020 7:41 am
Forum: Showcase
Topic: Full audio sub-system based on WROVER
Replies: 3
Views: 905

Re: Full audio sub-system based on WROVER

Wau - well designed and impressive feature list

I was notified on your project yesterday.
Look forward to give it at try on my hardware as well.
Jakobsen
by Jakobsen
Sat Apr 04, 2020 8:04 pm
Forum: Hardware
Topic: I2S DMA
Replies: 4
Views: 2572

Re: I2S DMA

Missing a lot ...

It is only a couple of lines from a signal generator component.

You can check out the full project from the repo :
https://github.com/jorgenkraghjakobsen/sig_gen.git

/j
by Jakobsen
Fri Apr 03, 2020 7:31 am
Forum: Hardware
Topic: I2S DMA
Replies: 4
Views: 2572

Re: I2S DMA

Hi Small Coke I've done that - It is quite easy just wait for i2s_evt.type == I2S_EVENT_TX_DONE using xQueueReceive(i2s_queue, &i2s_evt, portMAX_DELAY); The queue handle you will get from you driver install setup call i2s_driver_install(0, &i2s_config, 10, &i2s_queue); Let me know if you need more l...
by Jakobsen
Tue Mar 24, 2020 9:22 pm
Forum: ESP32 IDF
Topic: Web Socket Server
Replies: 9
Views: 1494

Re: Web Socket Server

No - But
I use it for raw date - amplifier status, audio samples to be displayed on canvas etc. Do not see why it would not work for image data on a specific format as well.
/j
by Jakobsen
Mon Mar 16, 2020 9:32 am
Forum: ESP32 IDF
Topic: Send other data during audio streaming
Replies: 1
Views: 524

Re: Send other data during audio streaming

Hi Cao I have successfully setup a SPP link between my phone an ESP32. On this link I do my normal control communication stuff. Volume, UV and amp power mode feedback, DSP control. It is a simple mixup of the A2DP and SPP examples from the Bluetooth classics repo. I have coded my stuff in ESP-IDF no...
by Jakobsen
Sun Mar 15, 2020 9:46 pm
Forum: Showcase
Topic: ESP32 Webradio
Replies: 185
Views: 143050

Re: ESP32 Webradio

Hi
Did you try /esp/esp-idf/examples/bluetooth/bluedroid/classic_bt/a2dp_sink
Very simple and works out of the box.
This project from Buddy works out of the box as well.
/j
by Jakobsen
Mon Mar 09, 2020 3:16 am
Forum: Showcase
Topic: ESP32 Webradio
Replies: 185
Views: 143050

Re: ESP32 Webradio

Hi Akmishra
It is an old project - Not sure it has been maintained vs the new IDFs that has been rolled out. Let me give it a shoot on my setup here - I will let you know. /J

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