Sound Module WTV20
hi, has ever worked sound module wtv20?
i have module on arduino nano , works far, have problem manual load on sd card sounds fails me or whenever play not come out should actually, sounds. according data sheet, thing can play wav , not ad4 files. have not found solution how khz , bit wav file should sound "sounds normal"
the 2gb card fat formatted. test file network works whole wonderful. somehow not create suitable file. wanted convert mp3 file ad4 file, somehow there's worm in it.
does have tip? many thanks!
i have module on arduino nano , works far, have problem manual load on sd card sounds fails me or whenever play not come out should actually, sounds. according data sheet, thing can play wav , not ad4 files. have not found solution how khz , bit wav file should sound "sounds normal"
the 2gb card fat formatted. test file network works whole wonderful. somehow not create suitable file. wanted convert mp3 file ad4 file, somehow there's worm in it.
does have tip? many thanks!
sorry translation comes out bit funny sounding...
the wtv20 manual has these specifications audio files.
supports 4 bit adcpm formatted files
sampling rate 6khz 36khz ad4 voice format
sampling rate 6khz 16khz wav voice format
typical wav files around 44khz try converting them 16khz. not high fidelity sound should "normal".
this author matthias seems have solved of other issues module. http://makeithappend.org/archives/2247
good luck
the wtv20 manual has these specifications audio files.
supports 4 bit adcpm formatted files
sampling rate 6khz 36khz ad4 voice format
sampling rate 6khz 16khz wav voice format
typical wav files around 44khz try converting them 16khz. not high fidelity sound should "normal".
this author matthias seems have solved of other issues module. http://makeithappend.org/archives/2247
good luck
Arduino Forum > Using Arduino > Audio > Sound Module WTV20
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