Audio creation/conversion SDK's
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I'm looking for an SDK that will make it easier for me to record audio and store it in one of the ADPCM variants like G.711, G.726, G.722, and others. I am writing a recording utility for our application. The reason for using these encoding codecs are because they are more naively used for VOIP and can be used directly rather than standard PCM recordings to have to be converted first. Key needs are being able to either directly record into this format or easily convert the recordings using API calls. Also a method to have the software automatically trim leading and trailing "silence". I quote silence because there is actually background noise but at a very low volume what would need to be trimmed. Having a way for the software to automatically trim this static of the beginning and end of a recording is a key feature for me. I don't want to have the user to use another tool to self edit the audio file because most of our users will not be efficient and will save the files in the wrong formats.