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Audio

Encoders

MPEG-4/MPEG-2 AAC Audio Encoder

The MPEG-4/MPEG-2 AAC Audio Encoder implements in ANSI C the complete functionality to compress digital audio sequences into binary streams according to either of the two coding formats, specified by ISO/MPEG.

The software is completely written in C, for ease of portability to specific platforms.
Anyway, the design is such that all structures and functions provide an object oriented structure and complete data encapsulation to run multiple instances of the encoder.

The Encoder implements the MPEG-4 AAC Main Profile as specified by the ISO Standard 14496-3, and the MPEG-2 AAC Main Profile as specified by the ISO Standard 13818-7.

G.723 Audio Encoder

The G.723 Audio Encoder implements in ANSI C the complete functionality to compress digital audio sequences into binary streams according to the G.723 coding format, specified by ITU-T, at one of the two possible rates 5.3 kbps or 6.4 kbps.

The software is completely written in C, for ease of portability to specific platforms.
Anyway, the design is such that all structures and functions provide an object oriented structure and complete data encapsulation to run multiple instances of the encoder.
The software is implemented in 16 bits integer arithmetic.

The Encoder implements the G.723 standard as specified by the ITU-T Recommendation G.723.1.

Software Type Component Description
AM4ENC MPEG4AAC Encoder Audio Encoder, MPEG-4 AAC Main Profile (IS 14496 part 3)
AG9ENC G729 Encoder Audio Encoder, G.729 Audio (ITU-T Rec. G.729)
AG3ENC G723 Encoder Audio Encoder, G.723.1 Audio (ITU-T Rec. G.723.1)
AU1ENC AMRNB Encoder Audio Encoder, AMR NB Audio (3GP TS xxxxx)

Decoders

MPEG-4/MPEG-2 AAC Audio Decoder

The MPEG-4/MPEG-2 AAC Audio Decoder implements in ANSI C the complete functionality to decompress binary streams into digital audio sequences according to either of the two coding formats, specified by ISO/MPEG.

The software is completely written in C, for ease of portability to specific platforms.
Anyway, the design is such that all structures and functions provide an object oriented structure and complete data encapsulation to run multiple instances of the decoder.

The Decoder implements the MPEG-4 AAC Main Profile as specified by the ISO Standard 14496-3, and the MPEG-2 AAC Main Profile as specified by the ISO Standard 13818-7.

G.723 Audio Decoder

The G.723 Audio Decoder implements in ANSI C the complete functionality to decompress binary streams into digital audio sequences according to G.723 coding format, specified by ITU-T, at one of the two possible rates 5.3 kbps or 6.4 kbps.

The software is completely written in C, for ease of portability to specific platforms.
Anyway, the design is such that all structures and functions provide an object oriented structure and complete data encapsulation to run multiple instances of the decoder.
The software is implemented in 16 bits integer arithmetic.

The Decoder implements the G.723 standard as specified by the ITU-T Recommendation G.723.1.

Software Type Component Description
AM4DEC MPEG4AAC Decoder Audio Decoder, MPEG-4 AAC Main Profile (IS 14496 part 3)
AG9DEC G729 Decoder Audio Decoder, G.729 Audio (ITU-T Rec. G.729)
AG3DEC G723 Decoder Audio Decoder, G.723.1 Audio (ITU-T Rec. G.723.1)
AU1DEC AMRNB Decoder Audio Decoder, AMR NB Audio (3GP TS xxxxx)

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