AES Store

Journal Forum

Audibility of a CD-Standard A/DA/A Loop Inserted into High-Resolution Audio Playback - September 2007
10 comments

Reflecting on Reflections - June 2014
1 comment

Quiet Thoughts on a Deafening Problem - May 2014
1 comment

Access Journal Forum

AES E-Library

Frame Loss Concealment for Audio Decoders Employing Spectral Band Replication

An efficient frame loss concealment technique is proposed for audio decoders employing spectral band replication (SBR). The high frequency bands of the lost frame are reconstructed by estimating the parametric information involved in the SBR process. Utilizing all SBR data from the previous and the next frame, the high-band envelope is adaptively estimated from the energy evolution of the surrounding frames. The tonality control parameters are determined so as to ensure smooth transition between the lost frame and its neighbors. Subjective quality evaluation demonstrates that the proposed technique achieves better quality of the concealed audio than the technique adopted in the standard aacPlus decoder.

Authors:
Affiliation:
AES Convention: Paper Number:
Publication Date:
Subject:

Click to purchase paper or login as an AES member. If your company or school subscribes to the E-Library then switch to the institutional version. If you are not an AES member and would like to subscribe to the E-Library then Join the AES!

This paper costs $20 for non-members, $5 for AES members and is free for E-Library subscribers.

Learn more about the AES E-Library

E-Library Location:

Start a discussion about this paper!


 
Facebook   Twitter   LinkedIn   Google+   YouTube   RSS News Feeds  
AES - Audio Engineering Society