3 ms·
Yes absolutely! (Edit: or maybe not :-) see sibling comment for more info) Actually, the "Waver" youtube video linked at the top of the README has an embedded
by ggerganov 5y ago
Yes absolutely! (Edit: or maybe not :-) see sibling comment for more info)
Actually, the "Waver" youtube video linked at the top of the README has an embedded ultrasound transmission at around 0:36. I can for example decode the message on my iPhone by simply running the Waver app and playing the video on my PC.
Some people have already done some work for AV sync in the issues of the project [0].
[0] https://github.com/ggerganov/ggwave/issues/46 https://github.com/ggerganov/ggwave/issues/46
- westurner 5y agohttps://www.adafruit.com/product/3421 https://www.adafruit.com/product/3421 https://learn.adafruit.com/adafruit-i2s-mems-microphone-breakout/raspberry-pi-wiring-and-test https://learn.adafruit.com/adafruit-i2s-mems-microphone-brea... : > The I2S is a small, low-cost MEMS mic with a range of about 50Hz - 15KHz, good for just about all general audio recording/detection. From https://en.wikipedia.org/wiki/Ultrasound https://en.wikipedia.org/wiki/Ultrasound : > Ultrasound devices operate with frequencies from 20 kHz up to several gigahertz. Raspberry Pi Pico (RP2040), Pi Zero [2 W]: $5+ Power supply, case, wall-mount: Mic: ~$6 Huge [red] 7-segment display with I2C and voltage regulator components taped to the wall next to the sports bar TVs: