github f4exb/sdrangel v3.14.0
New audio management

latest releases: v7.19.1, v7.19.0, v7.18.1...
5 years ago

New audio management

Complete redesign of the audio management with the possibility to set preferences by device in particular the sample rate. The audio device used for the audio stream of modulators and demodulators can be selected individually. This allows all sorts of audio plumbing between channel plugins and with external applications. Also by using sample rates as low as 8000 S/s it is possible to set the baseband sample rate below 48k (AM, NFM, SSB). The sending of a copy of the audio stream via UDP is handled at device level taking the audio mix. RTP protocol can be used over UDP for better connection to players that accept this format using SDP files. Consequently the UDP support at plugin level has been entirely removed. This implements issue #145

More details here: https://github.com/f4exb/sdrangel/blob/master/sdrgui/audio.md

Other changes

  • Fixes in ATV and DATV demods initialization
  • Fixed stereo stream handling in RTP
  • Extension to decimation by 64 for BladeRF and RTLSDR
  • Extension to interpolation by 64 for HackRF

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