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Using an ESP8266 to playback an audio stream over WiFi and 7-bit PWM.
when you say call "avconv -i gong.mp3 -f s32be -acodec pcm_u8 -ac 1 -ar 33000 tcp://192.168.1.100:5522"
How do i do that? how do i stream sound to the esp?
I believe the ESP8266 can't be programmed if the D8 pin used for AMP_ENABLE_PIN (GPIO15) is held high, which I found occurred when I connected an OTS relay module to it.
Just something to keep in mind.
it would be nice to have it paired with an esp that reads the audio via ADC and send the data to the speaker
just an idea
still, nice project!
Could you remove the version from the end of the INO file name?
Is not good for the IDE and prevents change tracking.
can i change it to 14 bits PWM?? because in esp8266 there is 14 bits PWM.
Nice project! I was wondering whether an ESP8266 would be up to this job, and came across your work. Personally, I'd like to get some higher quality. For this, I'm thinking to use a PT8211 DAC, which should give much better quality, while it is still really cheap.
However, I note that you set bitrate to 33kps, specifically, and I can only guess that you hit some limit at this point. Is that correct? Do you have any insights on where the bottleneck is at? Is it:
For 1) and 2), using an external DAC should allow me to get around the limit, easily. For 3) it would be a different story.
Thanks!
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