The Pro Audio Option from Telestream adds encode/decode support for selected audio formats to Episode 6, Episode Pro 6, and Episode Engine 6 for Windows. With the Pro Audio Option you can decode and encode Dolby Digital (AC3), AAC HE, AAC LC, and AMR files with Episode.
Dolby Digital (AC3) contains up to six discrete channels of sound, for 5.1 surround
AAC HE is High-Efficiency Advanced Audio Coding, a lossy data-compression scheme for digital audio defined as an MPEG-4 Audio profile in ISO/IEC 14496-3
AAC LC is Low Complexity Advanced Audio Coding, which is optimized for low-bit-rate applications such as streaming audio
AMR is the Adaptive Multi-Rate audio codec, an audio data-compression scheme optimized for speech coding