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g729 Optimization

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Abstract: .729I Recommendation [7] presents a reference fixed-point implementation for integrating the ITU-T G.729 , G.729 (8 kbps rate) [1] G.729B (G.729 + Annex B) [2] G.729D (6.4 kbps rate) [3] G.729F (G.729D + , the ITU-T G.729 [8] and ITU-T G.729B [11] implementations are integrated into this project. The Metrowerks® StarCore compiler reduced the effort required in the optimization phase. Therefore, most of the , runs at 6.4 kbps (Annex D [3]), 8 kpbs (G.729 Recommendation [1]) and 11.8 kbps (Annex E [4]) using ... Freescale Semiconductor
Original
datasheet

8 pages,
549.43 Kb

SC140 MSC8101ADS G729E acelp G.729 vocoder g.729 G.729E g729B 729G G729D AN2397/D TEXT
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Abstract: Implementation Process 3 2.1 Differences Between ITU-T G.729 and ITU-T G.729B . 3 2.2 , application note describes the process of porting and optimizing the ITU-T G.729 Recommendation with Annex B , Detection (VAD) · Discontinuous Transmission (DTX) · Comfort Noise Generator (CNG) In the optimization phase, there are three categories of functions: · Functions reused from G729 (no modification required) · Functions that also exist in G729 but require changes · New functions related to the silence ... Freescale Semiconductor
Original
datasheet

8 pages,
493.89 Kb

SC140 g729B G729 DIAGRAM OF SPEECH COMPRESSION motorola application notes g729 Optimization g.729 ic AN2278/D TEXT
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Abstract: . 2 2 Implementation Process 3 2.1 Differences Between ITU-T G.729 and ITU-T G , application note describes the process of porting and optimizing the ITU-T G.729 Recommendation with Annex B , Detection (VAD) · Discontinuous Transmission (DTX) · Comfort Noise Generator (CNG) In the optimization phase, there are three categories of functions: · Functions reused from G729 (no modification required) · Functions that also exist in G729 but require changes · New functions related to the silence ... Motorola
Original
datasheet

8 pages,
316.19 Kb

SC140 motorola application notes g729B G729 acelp sps 6580 AN2278/D TEXT
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Abstract: ITU-T G.729 .2 Optimization Process .5 , .45 G.729 Recommendation for Speech Compression · Stack optimization for improved , Freescale Semiconductor Application Note AN2094 AN2094 Rev. 1, 12/2004 ITU-T G.729 Implementation , is identical to that of the original application (bitexactness). The optimization steps and the , vocoder defined by the ITU-T G.729 Recommendation [1], but the principles illustrated can be applied to ... Freescale Semiconductor
Original
datasheet

52 pages,
347.13 Kb

VOCODERS voip vocoder lpc 10 SC140 SC100 MPY32 celp coding displacement AN2094 "vector instructions" saturation TEXT
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Abstract: implementation for integrating the ITU-T G.729 Recommendation with Annexes D, E, and B (silence compression , .729I Recommendation is composed of the following: · G.729 (8 kbps rate) [1] · G.729B (G.729 + Annex B) [2 , ) [5] · G.729G (G.729E + Annex B) [6] Some optimizations in the ITU-T G.729 [8] and ITU-T G , effort required in the optimization phase. Therefore, most of the functions are optimized in C and only , Algebraic-Code-Excited Linear-Prediction (CSACELP) speech codec that runs at 6.4 kbps (Annex D [3]), 8 kpbs (G.729 ... Freescale Semiconductor
Original
datasheet

8 pages,
134.48 Kb

acelp AN2261 MSC8101ADS lpc 1678 G729D core SC1400 G.729D AN2397 G.729E vocoder g.729 SC140 g729 Optimization TEXT
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Abstract: described in application note AN2094 AN2094, ITUT G.729 Implementation on the StarCore SC140/SC1400 SC140/SC1400 Cores [3]. , rights reserved. G.729A Basics 2 Encoder Differences Between G.729A and G.729 .2 Decoder Differences Between G.729A and G729 .3 Data Table Differences Between G.729A and G729 , the ITU G.729 CS-ACELP speech vocoder. However, the G.729A vocoder is bit-stream compatible and interoperable with the G.729 vocoder. It operates on 10 ms speech frames with 5 ms look-ahead for linear ... Freescale Semiconductor
Original
datasheet

24 pages,
316.5 Kb

SC140 AN2151 G.729 chip g.729 codec chip G729 G729A MNSC140CORE MPY32 MSC8101 SC100 AN2094 TEXT
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Abstract: Freescale Semiconductor, Inc. Freescale Semiconductor, Inc. ITU-T G.729 Implementation on , . The optimization steps followed in this project and the results obtained are discussed in detail. The application referred to is the vocoder defined by the ITU-T G.729 Recommendation, but the conclusions can be , . . . . . . . . . 1 1.1 The G.729 Recommendation for Speech Compression . . . . . . . . . . . . , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.3 Technical Overview of ITU-T G.729 ... Motorola
Original
datasheet

68 pages,
566.3 Kb

VOCODERS voip SC140 TEXT
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Abstract: describes the process of porting and optimizing the ITU-T G.729 Recommendation with Annex B (G729B G729B) on the , ) · Discontinuous transmission (DTX) · Comfort noise generator (CNG) In the optimization phase, there are three categories of functions: · Functions reused from G729 (no modification required) · Functions that also exist in G729 but require changes · New functions related to the silence compression scheme During optimization, most of the functions are optimized in C, and ... Freescale Semiconductor
Original
datasheet

8 pages,
387.02 Kb

acelp AN2094 g729 MSC7116 MSC7118 MSC7119 SC140 AN2278 g729B vocoder g.729 SC140/SC1400 TEXT
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Abstract: assembly for best optimization. The goal of the G.729 project was to obtain the maximum speed without , . . . . . . . . . . . . . . . . . . 1 Encoder Differences Between G.729A and G729 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Decoder Differences Between G.729A and G729 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Data Table Differences Between G.729A and G729 . . . . . , methodology described in application note AN2094/D AN2094/D, ITU-T G.729 Implementation on StarCore SC140 SC140 [3]. Thus ... Motorola
Original
datasheet

32 pages,
123 Kb

SC140 SC100 MSC8101 G729A G729 g.729 codec chip 164 20 8525 G.729 TEXT
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Abstract: describes a methodology for porting and optimizing the ITU-T G.729 Recommendation with Annex A and Annex B , .729A implementation with the ITU-T G.729/Annex B Recommendation and considers an interface to the G.729AB 729AB library , StarCore compiler also reduces the effort required in the optimization phase. The tests to verify the bit , implementing ITU-T G.729A on the SC140 SC140 core [5]. The ITU-T G.729/Annex B Recommendation [3] was added to the , ) speech codec employed in simultaneous voice and data applications. The Annex B of the ITU-T G.729 ... Motorola
Original
datasheet

12 pages,
349.59 Kb

SC140 MSC8101ADS G729 79AB AN2261/D 729AB TEXT
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Archived Files

Abstract Saved from Date Saved File Size Type Download
combined optimization on algorithmic, architectural and gate level. Frontier offers custom optimization and implementation in algorithm specific processors. A|RT Library TM and A|RT Builder - G.729 Low bit-rate ITU-T compliant speech-compression codec at 8 kbit/s.
/datasheets/files/xilinx/docs/rp00024/rp0245b.htm
Xilinx 06/03/2000 18.92 Kb HTM rp0245b.htm
combined optimization on algorithmic, architectural and gate level. Frontier offers custom optimization and implementation in algorithm specific processors. A|RT Library TM and A|RT Builder - G.729 Low bit-rate ITU-T compliant speech-compression codec at 8 kbit/s.
/datasheets/files/xilinx/docs/wcd00010/wcd01036.htm
Xilinx 16/02/1999 19.11 Kb HTM wcd01036.htm
optimization on algorithmic, architectural and gate level. DeDris implementations of signal-processing additional hardware cost. - - - G.729 Low bit-rate ITU-T compliant speech-compression
/datasheets/files/xilinx/docs/wcd0000d/wcd00d76-v1.htm
Xilinx 17/07/1998 15.64 Kb HTM wcd00d76-v1.htm
No abstract text available
/download/9761900-868466ZC/hotline.tar
Texas Instruments 08/02/1999 15343 Kb TAR hotline.tar
No abstract text available
/download/95370793-223476ZC/pc_99_1.zip ()
Intel 22/07/1998 1314.61 Kb ZIP pc_99_1.zip
No abstract text available
/download/35476560-256393ZC/pc_99_1.zip ()
Intel 06/08/1998 1173.74 Kb ZIP pc_99_1.zip
No abstract text available
/download/44134754-223477ZC/pc_99_1-v1.zip ()
Intel 06/08/1998 1173.74 Kb ZIP pc_99_1-v1.zip
No abstract text available
/download/49318403-996020ZC/xapp663.zip ()
Xilinx 23/08/2004 21918.22 Kb ZIP xapp663.zip
No abstract text available
/download/6111223-996050ZC/xapp775.zip ()
Xilinx 26/08/2004 30899.35 Kb ZIP xapp775.zip