Sonnox Fraunhofer Pro-Codec Manual do Utilizador descarregar pdf (Página 10)

4.3 HD-AAC 4 SUMMARY OF CODEC FEATURES AND APPLICATIONS

4.3 HD-AAC (Fraunhofer)

The HD-AAC codec from Fraunhofer has a very clever feature; the single compressed

lossless ﬁle includes a lossy core channel. It therefore acts as a lossless archival format, a

lossless distribution format for the masters, and a ﬁnal playback format for both lossless

and lossy decoders – and all of this in a single ﬁle.

In the case of HD-AAC playback, if the decoder in your player has full HD-AAC capability,

you will be able to listen to a perfect replication of the original WAV ﬁle. However, the

same HD-AAC ﬁle will still play through a decoder that does not have HD-AAC capability,

and instead you will be listening to the embedded lossy AAC channel.

The HD-AAC codec now supports 16-bit ﬁles in addition to 24-bit data.

4.4 AAC-LC (Fraunhofer)

The AAC-LC codec now supports a 96 kHz session sample rate and a VBR mode at 256

kbps.

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Sonnox Fraunhofer Pro-Codec Manual do Utilizador Página 10