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SCTE 24-23 2007
- BV32 Speech Codec Specification for Voice over IP Applications in Cable Telephony
- standard by Society of Cable Telecommunication Engineers, 01/01/2007
- Publisher: SCTE
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This document contains the description of the BV32 speech codec1. BV32 compresses 16 kHz sampled wideband speech to a bit rate of 32 kb/s (kilobits per second) by employing a speech coding algorithm called Two-Stage Noise Feedback Coding (TSNFC), developed by Broadcom. The rest of this document is organized as follows. Section 2 gives a high-level overview of TSNFC and BV32. Sections 3 and 4 give detailed description of the BV32 encoder and decoder, respectively. The BV32 codec specification given in Sections 3 and 4 contain enough details to allow those skilled in the art to implement bit-stream compatible and functionally equivalent BV32 encoder and decoder.
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