Hello to all,
I need to identify a file audio format from a chiness IP camera, they say it is ima_adpcm, but i can’t transcode the raw data to a good wav file. I can hear with difficulty my voice the transcoded result, but the data seems corrupted.
I tested all of these values with different software (sox, ffmpeg, fmod, …):
Sample bit : 16, 32
Sample rate : 8Khz, 16Khz, 22Khz, 32Khz, 44Khz
Format : IMA_ADPCM, ADPCM, PCM (fmod do not handle ADPCM, so i used other software like sox, and ffmpeg)
Channel : 2
Audio File for test : http://naskel.cx/audio.raw.gz ( ~ 20sec of audio with my voice )
It would be great if someone got the time to help me to find the good format.
PS: I can give online access to the camera if needed.
PS2: I can give free camera to the one who help me about this audio problem!
Thanks in advance,
- Naskel asked 10 years ago
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