How good is ESP32 DAC quality for audio applications?
I want to connect DAC output to the audio amplifier and pass to the speaker. But I'm not sure about DAC quality for audio.
Of course I don't expect very high quality sounds. But I expect at least understandable speech.
Any suggestions?
Search found 7 matches
- Thu Mar 02, 2017 8:28 am
- Forum: General Discussion
- Topic: ESP32 DAC quality
- Replies: 3
- Views: 15388
- Tue Feb 21, 2017 12:22 pm
- Forum: General Discussion
- Topic: SPI speed via GPIO matrix
- Replies: 2
- Views: 5441
Re: SPI speed via GPIO matrix
Thank you!!!
- Tue Feb 21, 2017 10:26 am
- Forum: General Discussion
- Topic: SPI speed via GPIO matrix
- Replies: 2
- Views: 5441
SPI speed via GPIO matrix
What is the maximum SPI speed connected via GPIO matrix?
- Tue Jan 31, 2017 2:29 pm
- Forum: General Discussion
- Topic: ESP32 arduino flash size
- Replies: 1
- Views: 6527
ESP32 arduino flash size
Here is the ESP32 recourse usage report in Arduino: Sketch uses 151,467 bytes (14%) of program storage space. Maximum is 1,044,464 bytes. Global variables use 20,496 bytes (6%) of dynamic memory, leaving 274,416 bytes for local variables. Maximum is 294,912 bytes. My SPI flash size is 4 Mbytes so wh...
- Tue Jan 31, 2017 1:52 pm
- Forum: General Discussion
- Topic: ESP32 external SRAM connection pins
- Replies: 1
- Views: 5119
ESP32 external SRAM connection pins
Hi,
In which SPI port should I connect the external SPI SRAM?
Thanks.
In which SPI port should I connect the external SPI SRAM?
Thanks.
- Thu Jan 05, 2017 4:30 pm
- Forum: General Discussion
- Topic: ESP32 ROM update
- Replies: 8
- Views: 18353
Re: ESP32 ROM update
Kolban, Thank you very much for your response. Now it is more clear for me. So it is not possible to reprogram ROM, which is good. Could you please let me know where are located WiFi and Bluetooth stacks? In the ROM or it comes with the firmware? If I program ESP32 module via Arduino environment wha...
- Thu Jan 05, 2017 10:30 am
- Forum: General Discussion
- Topic: ESP32 ROM update
- Replies: 8
- Views: 18353
ESP32 ROM update
Hi, I have several questions about ESP32 ROM and firmware. 1. I don't understand well the meaning of firmware. Is it the software located in the internal ROM? Or is it located in the external flash. 2. If it is located in the internal ROM then I need firmware sources to make changes and then update ...