| Paper: | AE-P3.5 | ||
| Session: | Audio Coding, Network Audio and Multimedia Applications | ||
| Time: | Thursday, May 18, 10:00 - 12:00 | ||
| Presentation: | Poster | ||
| Topic: | Audio and Electroacoustics: Broadband and Perceptual Coding | ||
| Title: | Different Quantisation Noise Shaping Methods for Predictive Audio Coding | ||
| Authors: | Stefan Wabnik, Gerald Schuller, Jens Hirschfeld, Ulrich Kraemer, Fraunhofer IDMT, Germany | ||
| Abstract: | The paper presents a comparison of a previous and a new approach to shape quantization noise in low bit rate predictive audio coding. The previous approach uses an adaptation of the step size of a uniform quantizer, the new approach uses a quantizer with clipping. Both approaches are evaluated using a predictive audio coding scheme. The presented results of a listening test show the improved performance of the new approach. | ||
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