uAVD: Analog Video Decoder Windows Software for SDRs
Thank yoy to Viol Tailer for submitting news about the release of his new software called "uAVD - Analog Video Decoder". uAVD is capable of demodulating the following:
- AM (broadcast analog television - NTSC, PAL, SECAM)
- FM (FPV drone video links)
- RAW (composite output from VHS, camcorders, game consoles)
The software uses the uSDR software as a host, and it passes the IQ passband stream to the uAVD via a uSDR-TCP link. uSDR is a lightweight general purpose multimode software defined radio receiver Windows application that we have posted about on the blog in the past. Currently, it supports RTL-SDR, AirSpy, BladeRF, HackRF, FobosSDR, and LimeSDR devices.
The software supports full color and grayscale modes. With a wideband receiver, it will be possible to receive full-color video. With the reduced bandwidth available with an RTL-SDR, only grayscale will be available.
The code is not open-source, but the software is freely available from SourceForge.
The image below shows it being used to receive video from a camcorder composite video output. A FobosSDR used in direct sampling mode is used to receive the signal.
Below is a video from a user of the software demonstrating it in action.
This is actually quite an interesting tool but sadly being closed source disqualifies it from use with the FM RF Archival workflow, and it’s still far behind tools like CVBS-Decode capabilities wise, not to mention VHS-Decode, LD-Decode (which has the industry leading time base correction abbilitys and comb filters like 3D transform, alongside whole 4fsc frame access and usability) and HiFi-Decode being the easiest to get into because it will work from virtually any SDR capture via GNURadio.
Most SDRs can’t capture the lower range of tapes and either have not enough bandwidth or not the appropriate range for CVBS or raw Baseband capture to a quality level above legacy capture cards.
Das kann ich bestätigen. Egal in welchem Modus dieses Programm betrieben wird, ist kein Bild zu decodieren. Als Quelle wird SDRSharp mit einem NOOELEC Stick und einem Testbildgenerator genutzt, bzw analog TV per SpySeever….einzig der TCP LINK funktioniert..Schade…das Programm wäre interessant gewesen für meine Zwecke…
No right instruction for program. For example – sample rate?? , which data type for server … (you must deep research video ). As result I try this Usdr with Uavd – no decoding results for FM mode. Just selection menu….. Now program is in non-working state.
Virus detected.