![]() ![]() ![]() (I'm also suspicious that it may have a hard limit on how long the audio file can be, but I haven't tested this above ~10 seconds). The indoor station is very strict about the audio format it needs: the ringtone WAV file MUST have the following properties: Potentially the whole transcoding process can be done in Audacity alone as it provides some customisation of its exported audio files, but the custom export feature seems to require ffmpeg external integration with Audacity - a path that I didn't venture on) ffmpeg stubbornly insists on having at least a "encoder" metadata field being populated in its output files. Audacity (to strip any metadata from the resulting file, since the indoor station doesn't accept having any metadata included in the uploaded ringtone files. ffmpeg leaves a metadata nag which will need to be removed in another piece of software, in my procedure I'll use the freely available - donationware - "Audacity" to achieve this goal) ffmpeg (to reencode a downloaded audio mp3 file to the proper WAV format accepted by the indoor station. I used two applications in order to get the format of the ringtone file done in a way accepted by the indoor station: I eventually dabbed into - and found a lively community of field and studio recordists, with multiple freely available high quality recordings of a wide variety of specialised objects.such as the noble tubular doorbells Click to expand.The stock "ringtones" are OK-ish but I found them all to have a bit too much of a "sense of urgency" for my home doorbell tastes. ![]()
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