From 931e203621e7c203b7a1854e0049092eeeb8cd5d Mon Sep 17 00:00:00 2001 From: drowe67 Date: Sun, 4 Jan 2015 02:42:13 +0000 Subject: [PATCH] notes on testing SM1000 with laptop git-svn-id: https://svn.code.sf.net/p/freetel/code@1999 01035d8c-6547-0410-b346-abe4f91aad63 --- smartmic/SM1000-C/testplan.txt | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/smartmic/SM1000-C/testplan.txt b/smartmic/SM1000-C/testplan.txt index 42759a87..97c3a9ba 100644 --- a/smartmic/SM1000-C/testplan.txt +++ b/smartmic/SM1000-C/testplan.txt @@ -22,7 +22,17 @@ David Rowe 15/12/14 [X] speak into mic, or tap board, sould be a few Vpp + mic gain R42 roughly in the middle of travel -TODO: +Useful Command Lines +-------------------- + +Receiving freedv waveform from SM1000 via mic input on laptop and decode to wave file: + +$ cd codec2-dev/build/src +$ rec -r 8000 -s -2 -c 1 -t raw - trim 0 10 | ./freedv_rx - - | sox -t raw -r 8000 -s -2 - ~/Desktop/sm1000_beta_dv.wav + +TODO +---- + (need more detail, pass/fail conditions) [ ] set up procedure to get levels right/minimise distortion on TX -- 2.25.1