Publications – Details
Binaural Wideband Telephony Using Steganography
- Authors:
- Bernd Geiser, Magnus Schäfer, and Peter Vary
- Book Title:
- Konferenz Elektronische Sprachsignalverarbeitung (ESSV)
- Volume:
- 61
- Series:
- Studientexte zur Sprachkommunikation
- Venue:
- Aachen, Germany
- Event Date:
- 28.-30.9.2011
- Organization:
- ITG, DEGA
- Publisher:
- TuDPress Verlag der Wissenschaften GmbH
- Location:
- Dresden, Germany
- Date:
- Sept. 2011
- Pages:
- 132–137
- ISBN:
- 978-3-94271-037-4
- ISSN:
- 0940-6832
- Language:
- English
Abstract
A system for the transmission of binaural wideband speech signals over a standard telephone network is proposed. It is backwards compatible with the (single channel and narrowband) 3GPP Adaptive Multirate (AMR) codec. The required information about the source location and for audio bandwidth extension is transmitted over a steganographic communication channel that is embedded within the bitstream of the AMR codec. A legacy receiver can still decode the single channel narrowband signal without noticeable quality loss.
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