A low complexity audio coding scheme for wideband audio

A low complexity audio coding scheme for wideband audio

Differential encoding is a well known low complexity coding technique. Its use in the coding of wideband audio is limited by its inability to follow rapid changes in the signal. This is a serious drawback when coding high fidelity audio where this inability can seriously degrade the perceptual quali...

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Bibliographische Detailangaben
Hauptverfasser: Peddibhotla, R.M., Maher, R.C., Sayood, K.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Audio coding
Degradation
Encoding
Image coding
Image reconstruction
Modulation coding
Noise level
Pulse modulation
Quantization
Wideband
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Beschreibung
Zusammenfassung:Differential encoding is a well known low complexity coding technique. Its use in the coding of wideband audio is limited by its inability to follow rapid changes in the signal. This is a serious drawback when coding high fidelity audio where this inability can seriously degrade the perceptual quality of the reconstruction. This overload problem can be remedied by using a recursively indexed quantizer. In this paper we present some empirical results for the differential coding of audio signals.< >
ISSN:1058-6393
2576-2303
DOI:10.1109/ACSSC.1994.471653