LEAD AAC
Included in LEAD H.264 and MPEG-4 Codecs

Are you a software developer looking for multimedia tools to create your own video conference, webcast, or security application? LEAD offers a complete line of Multimedia SDKs with H.264 compression, MPEG-2, AAC, and more. Click here to visit the LEADTOOLS developer website.

The LEAD AAC Encoder is included in the LEAD H.264 Encoder, H.264 Professional and the LEAD MPEG-4 Standard Encoder. The AAC Decoder is included in the H.264 Decoder and the MPEG-4 Decoder.

Advanced Audio Coding (AAC), also known as MPEG-2 Part 7, is a digital audio encoding and lossy compression format. AAC delivers high quality audio at a lower bitrate compared to other audio encoding standards like ISO/MPEG Audio Layer-3; MP3.

The LEAD AAC Audio Encoder and Decoder are DirectShow® filters for compressing and decompressing audio data using the AAC compression standard (ISO/IEC 13818-7).

Key Features:

• Supports both variable and constant bitrates.
• Output channels selection.
• Surround feature.
• Supports both versions of AAC, MPEG-4 and MPEG-2.
• Supports different profiles; Low Complexity profile, Main profile, and Long Term Prediction profile.
• Supports 2 stream formats; Raw and ADTS.
• Output sample frequency selection.
• Cut-off frequency option.
• Force stereo output option in the decoder.

More about AAC

MPEG-4 AAC is the most powerful audio codec available today. The near CD quality MPEG-1 Layer 2 audio codec (used widely in digital video applications) delivers high-quality stereo at 128kbit/s/channel while MPEG-4 AAC offers the same quality at 64kb/s/channel.