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Diffstat (limited to 'README')
| -rw-r--r-- | README | 13 |
1 files changed, 9 insertions, 4 deletions
@@ -4,10 +4,6 @@ Gate Array Learn make doas make load -Pulse Density Modulation - https://en.wikipedia.org/wiki/Pulse-code_modulation - https://curiouser.cheshireeng.com/2015/01/21/pdm-in-attiny85-source-code/ - Raspberry Pi UART Enable serial communication in raspi-config. @@ -18,3 +14,12 @@ UART pv /dev/ttyUSB1 > pcm.raw hexdump -ve '1/1 "%u\n"' pcm.raw > pcm.txt play -r 48k -e unsigned-integer -b 8 -c 1 pcm.raw + +References + Pulse Density Modulation + https://curiouser.cheshireeng.com/2015/01/21/pdm-in-attiny85-source-code/ + https://en.wikipedia.org/wiki/Pulse-code_modulation + https://tomverbeure.github.io/2020/10/04/PDM-Microphones-and-Sigma-Delta-Conversion.html + https://tomverbeure.github.io/2020/12/20/Design-of-a-Multi-Stage-PDM-to-PCM-Decimation-Pipeline.html + Verilog by Example (Blaine C. Raedler 2021) + http://readler.com/books2.html |