Can you tell us about the compression and format of Audio recorded, or uploaded, into The Combine? I’ve been asked this question specifically as it relates to being able to export data from The Combine into FLEx.
Thank you
I’m not sure because I cannot find it in the docs but here is my guess based on looking at the source code:
16-bit PCM uncompressed with a 44100 sample rate in a webm container. So basically the same quality as a WAV file. I don’t know if it’s configurable or not in The Combine.
Hi, @Scott_Dysart. Yes, Chris is correct that audio recorded in The Combine is uncompressed WebM format.
When data is imported into The Combine via a zipped LIFT file, any contained audio files are kept in their original format.
When exporting a project from The Combine, the WebM audio files are automatically converted into WAV.
Thank you Danny. I’ll let the user know that the files are recorded as webm and then exported as wav when exported.
I think it’s important to clarify that this is lossless uncompressed PCM WAV, even though it is initially recorded in a webm container (that’s a limitation of the browser tech used). There is no loss of quality in changing the container format from webm to wav.
Danny, my assumption is that the audio is sampled at 16-bit 44100Hz - can you confirm?
The audio is recorded with the browser’s native PCM sampling, which may be 44100 Hz or 48000 Hz. I get 48000 Hz with The Combine on Chrome.