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Alvas.Audio is a collection of 100% native CLR-compliant controls written in C#. The collection allows C# and VB.Net developers to create applications that play (including mixed audio data), record, edit and convert sound.Key Features: 1. Record audio data: - record uncompressed audio data (PCM); - record compressed audio data: IMA ADPCM, Microsoft ADPCM, CCITT A-Law, CCITT u-Law, GSM 6.10, Windows Media Audio V2, MPEG Layer-3 (mp3) and others;- record data to the stream (file stream, memory stream);- pause and resume recording; - get the current sound position; - record data to any recorder installed in the system. 2. Play audio data: - play uncompressed audio data (PCM); - play compressed audio data; - play data from the stream (file stream, memory stream); - play mixed audio data; - pause and resume playing; - get the current sound position; - play data from any player installed in the system.3. Set up mixer controls: - select source line for recording;- change source line volume for recording;- additional controls adjustment. For example, "Mic Boost";- change master volume for playback;- playback muting.4. Editing - change the speed of audio data;- change the volume of audio data;- join several pieces of audio in a single;- cut/insert/remove a piece in the audio stream;- create audio format from the byte array;5. Convert the audio data from one audio format to another. 6. Change Wave stream to MP3 stream if Wave stream contains MPEG Layer 3 data. 7. Few audio files concatenation. 8. Return the audio stream duration in milliseconds. 9. View the level of the input sound signal. 10. Play, record and convert RAW headerless format (SLINEAR etc).11. Encode and decode Dialogic .vox (adpcm) format data.12.
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