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LEAD AAC
Included in LEAD H.264
and MPEG-4 Codecs
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.
Are you a software developer looking for multimedia tools to create your own application? LEAD offers a complete line of Multimedia SDKs with MPEG-2 compression, H.264 and more. Click here to visit the LEADTOOLS developer website.