JPS60219823A - 音声符号化装置および音声復号化装置 - Google Patents
音声符号化装置および音声復号化装置Info
- Publication number
- JPS60219823A JPS60219823A JP59076793A JP7679384A JPS60219823A JP S60219823 A JPS60219823 A JP S60219823A JP 59076793 A JP59076793 A JP 59076793A JP 7679384 A JP7679384 A JP 7679384A JP S60219823 A JPS60219823 A JP S60219823A
- Authority
- JP
- Japan
- Prior art keywords
- sequence
- sound source
- signal sequence
- audio signal
- source pulse
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000004044 response Effects 0.000 claims abstract description 28
- 238000001228 spectrum Methods 0.000 claims abstract description 5
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 claims description 69
- 108010076504 Protein Sorting Signals Proteins 0.000 claims description 56
- 230000005236 sound signal Effects 0.000 claims description 49
- 238000000034 method Methods 0.000 claims description 34
- 230000003595 spectral effect Effects 0.000 claims description 21
- 230000005284 excitation Effects 0.000 claims description 14
- 238000012937 correction Methods 0.000 claims description 5
- 230000003111 delayed effect Effects 0.000 claims description 4
- 108091026890 Coding region Proteins 0.000 claims 1
- 238000004364 calculation method Methods 0.000 abstract description 49
- 238000004891 communication Methods 0.000 abstract description 3
- 230000006870 function Effects 0.000 description 20
- 238000007796 conventional method Methods 0.000 description 14
- 230000015572 biosynthetic process Effects 0.000 description 11
- 238000003786 synthesis reaction Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 8
- 238000004422 calculation algorithm Methods 0.000 description 8
- 230000009466 transformation Effects 0.000 description 7
- 238000012545 processing Methods 0.000 description 6
- 238000013139 quantization Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000005314 correlation function Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000010845 search algorithm Methods 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59076793A JPS60219823A (ja) | 1984-04-17 | 1984-04-17 | 音声符号化装置および音声復号化装置 |
| CA000479256A CA1226946A (en) | 1984-04-17 | 1985-04-16 | Low bit-rate pattern coding with recursive orthogonal decision of parameters |
| US06/723,987 US4724535A (en) | 1984-04-17 | 1985-04-16 | Low bit-rate pattern coding with recursive orthogonal decision of parameters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59076793A JPS60219823A (ja) | 1984-04-17 | 1984-04-17 | 音声符号化装置および音声復号化装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60219823A true JPS60219823A (ja) | 1985-11-02 |
| JPH0572780B2 JPH0572780B2 (enrdf_load_stackoverflow) | 1993-10-13 |
Family
ID=13615505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59076793A Granted JPS60219823A (ja) | 1984-04-17 | 1984-04-17 | 音声符号化装置および音声復号化装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60219823A (enrdf_load_stackoverflow) |
-
1984
- 1984-04-17 JP JP59076793A patent/JPS60219823A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0572780B2 (enrdf_load_stackoverflow) | 1993-10-13 |
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