Git-Mirrors/portapack-mayhem
1
0
Fork 0
mirror of https://github.com/eried/portapack-mayhem.git synced 2025-06-27 08:10:42 -04:00
Code Issues Projects Releases Packages Wiki Activity

Finalise all low bit rate Capture App with x64 (#1386)

Browse source 
* Finalise all low bit rate Capture App with x64

* Adding back also 25k BW option
This commit is contained in:
Brumi-2021 2023-08-18 14:49:22 +02:00 • committed by GitHub
parent bd2ee03e44
commit a4636d7872
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
4 changed files with 22 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

7
firmware/common/oversample.hpp
View file

@ -57,10 +57,9 @@
* The oversample rate is used to increase the sample rate to improve SNR and quality.
* This is also used as the interpolation rate when replaying captures. */
inline OversampleRate get_oversample_rate(uint32_t sample_rate) {
if (sample_rate < 50'000) return OversampleRate::x128; // 25k..12k5, prepared for future, OVS ok, but decim. x128 still not implemented.
if (sample_rate < 100'000) return OversampleRate::x64; // 50k, prepared for future, OVS ok, but decim. x64 still not implemented.
if (sample_rate < 150'000) return OversampleRate::x32; // 100k needs x32
if (sample_rate < 250'000) return OversampleRate::x16; // 150k needs x16
if (sample_rate < 30'000) return OversampleRate::x64; // 25k, 16k, 12k5.
if (sample_rate < 80'000) return OversampleRate::x32; // 75k, 50k, 32k.
if (sample_rate < 250'000) return OversampleRate::x16; // 100k and 150k.
return OversampleRate::x8; // 250k .. 1Mhz, that decim x8 , is already applied.(OVerSampling and decim OK)
}