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- Spectral_band_replication abstract "Spectral band replication (SBR) is a technology to enhance audio or speech codecs, especially at low bit rates and is based on harmonic redundancy in the frequency domain.It can be combined with any audio compression codec: the codec itself transmits the lower and midfrequencies of the spectrum, while SBR replicates higher frequency content by transposing up harmonics from the lower and midfrequencies at the decoder. Some guidance information for reconstruction of the high-frequency spectral envelope is transmitted as side information.When needed, it also reconstructs or adaptively mixes in noise-like information in selected frequency bands in order to faithfully replicate signals that originally contained no or fewer tonal components.The SBR idea is based on the principle that the psychoacoustic part of the human brain tends to analyse higher frequencies with less accuracy; thus harmonic phenomena associated with the spectral band replication process needs only be accurate in a perceptual sense and not technically or mathematically exact.".
- Spectral_band_replication wikiPageID "1029261".
- Spectral_band_replication wikiPageRevisionID "597052679".
- Spectral_band_replication hasPhotoCollection Spectral_band_replication.
- Spectral_band_replication subject Category:Audio_codecs.
- Spectral_band_replication comment "Spectral band replication (SBR) is a technology to enhance audio or speech codecs, especially at low bit rates and is based on harmonic redundancy in the frequency domain.It can be combined with any audio compression codec: the codec itself transmits the lower and midfrequencies of the spectrum, while SBR replicates higher frequency content by transposing up harmonics from the lower and midfrequencies at the decoder.".
- Spectral_band_replication label "Reconstruction de Bande Spectrale".
- Spectral_band_replication label "Replicación de la Banda Espectral".
- Spectral_band_replication label "Spectral Band Replication (SBR)".
- Spectral_band_replication label "Spectral Band Replication".
- Spectral_band_replication label "Spectral Band Replication".
- Spectral_band_replication label "Spectral band replication".
- Spectral_band_replication label "Spektralbandreplikation".
- Spectral_band_replication sameAs Spektralbandreplikation.
- Spectral_band_replication sameAs Replicación_de_la_Banda_Espectral.
- Spectral_band_replication sameAs Reconstruction_de_Bande_Spectrale.
- Spectral_band_replication sameAs Spectral_Band_Replication.
- Spectral_band_replication sameAs Spectral_Band_Replication.
- Spectral_band_replication sameAs Spectral_Band_Replication_(SBR).
- Spectral_band_replication sameAs m.03_pq9.
- Spectral_band_replication sameAs Q960718.
- Spectral_band_replication sameAs Q960718.
- Spectral_band_replication wasDerivedFrom Spectral_band_replication?oldid=597052679.
- Spectral_band_replication isPrimaryTopicOf Spectral_band_replication.