diff options
Diffstat (limited to 'doc/example.ini')
| -rw-r--r-- | doc/example.ini | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/doc/example.ini b/doc/example.ini index 8c07997..f8cec36 100644 --- a/doc/example.ini +++ b/doc/example.ini @@ -83,14 +83,18 @@ loop=0 ; for some power amplifier. The output samples are limited to a magnitude ; of 32768. ; -; Mode 'var' uses the method specified in ETSI 300 798. This method +; Mode 'var' uses the method specified in ETSI 300 798 Clause 5.3. This method ; normalizes to 4 times the standard deviation for an approximation of the RMS ; power. So around 6/100000 samples will be truncated and will introduce some ; really minor distortion. But this mode also maximizes the output power. This ; is the gain mode recommended for real world operation as it is based on a DAB -; standard; the only difference is that ODR-DabMod uses a better resolution -; with 16 bits instead of 8 bits. +; standard; the only difference is that ODR-DabMod internally calculates this with +; 32-bit floats instead of 8 bits. gainmode=var +; +; In mode var, you can choose to normalise the samples to something else than +; 4 times the standard deviation. +;normalise_variance=4 ; Transmission mode ; If not defined, take the mode from ETI @@ -144,7 +148,7 @@ output=uhd ;format=complexf ; ; When the format is set to complexf_normalised the maximal -; amplitude written to a file, is 1+-5%. +; amplitude written to a file, is the digital gain +-10%. ;format=complexf_normalised ; ; When the format is set to s8, the output writes I/Q 8-bit |