JP2014510302A - オーディオ信号のトラックのパルス位置の符号化および復号化 - Google Patents
オーディオ信号のトラックのパルス位置の符号化および復号化 Download PDFInfo
- Publication number
- JP2014510302A JP2014510302A JP2013553882A JP2013553882A JP2014510302A JP 2014510302 A JP2014510302 A JP 2014510302A JP 2013553882 A JP2013553882 A JP 2013553882A JP 2013553882 A JP2013553882 A JP 2013553882A JP 2014510302 A JP2014510302 A JP 2014510302A
- Authority
- JP
- Japan
- Prior art keywords
- pulse
- track
- positions
- tracks
- pulses
- 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
- 230000005236 sound signal Effects 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 claims description 37
- 238000005192 partition Methods 0.000 claims description 22
- 238000004590 computer program Methods 0.000 claims description 10
- 238000012360 testing method Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 description 16
- 238000013459 approach Methods 0.000 description 15
- 238000004422 calculation algorithm Methods 0.000 description 8
- 230000003044 adaptive effect Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
- G10L19/025—Detection of transients or attacks for time/frequency resolution switching
-
- 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
-
- 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
-
- 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
-
- 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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
-
- 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
-
- 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
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
-
- 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
- G10L19/012—Comfort noise or silence coding
-
- 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
-
- 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/0212—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 spectral analysis, e.g. transform vocoders or subband vocoders using orthogonal transformation
-
- 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
-
- 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/03—Spectral prediction for preventing pre-echo; Temporary noise shaping [TNS], e.g. in MPEG2 or MPEG4
-
- 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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
- G10L19/07—Line spectrum pair [LSP] vocoders
-
- 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
- G10L19/107—Sparse pulse excitation, e.g. by using algebraic codebook
-
- 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
- G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
-
- 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
- G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
- G10L19/13—Residual excited linear prediction [RELP]
-
- 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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
-
- 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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
-
- 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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/06—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/78—Detection of presence or absence of voice signals
-
- 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
- G10L19/26—Pre-filtering or post-filtering
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Health & Medical Sciences (AREA)
- Signal Processing (AREA)
- Computational Linguistics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Quality & Reliability (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Algebra (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
【選択図】図1
Description
Claims (15)
- 符号化されたオーディオ信号を復号化するための装置であって、1つ以上のトラックが前記符号化されたオーディオ信号に関連し、前記トラックのそれぞれは、複数のトラック位置および複数のパルスを有し、前記装置は、
複数のパルス位置を復号化するためのパルス情報デコーダ(110)であって、前記パルス位置のそれぞれは、前記トラックの前記パルスのうちの1つのパルスの位置を示すために前記トラックのうちの1つのトラックの前記トラック位置のうちの1つのトラック位置を示し、さらに、前記パルス情報デコーダ(110)は、前記トラックのうちの少なくとも1つのトラックの前記トラック位置の総数を示すトラック位置数、前記トラックのうちの少なくとも1つのトラックの前記パルスの総数を示す総パルス数、および1つの状態番号を用いることによって、前記複数のパルス位置を復号化するように構成される、パルス情報デコーダ、および
前記複数のパルス位置および前記符号化されたオーディオ信号に関連する複数の予測フィルタ係数を用いて、合成されたオーディオ信号を生成することによって、前記符号化されたオーディオ信号を復号化するための信号デコーダ(120)を含む、装置。 - 前記パルス情報デコーダ(110)は、さらに、前記トラック位置数、前記総パルス数および前記状態番号を用いて、複数のパルス符号を復号化するように構成され、前記パルス符号のそれぞれは、前記複数のパルスのうちの1つのパルスの符号を示し、さらに
前記信号デコーダ(120)は、さらに前記複数のパルス符号を用いて、合成されたオーディオ信号を生成することによって、前記符号化されたオーディオ信号を復号化するように構成される、
請求項1に記載の装置。 - 前記1つ以上のトラックは、少なくとも最後のトラックおよび1つ以上の他のトラックを含み、さらに
前記パルス情報デコーダ(110)は、前記状態番号から第1の副状態番号および第2の副状態番号を生成するように構成され、
前記パルス情報デコーダ(110)は、前記第1の副状態番号に基づいて前記パルス位置の第1のグループを復号化するように構成され、さらに
前記パルス情報デコーダ(110)は、前記第2の副状態番号に基づいて前記パルス位置の第2のグループを復号化するように構成され、
前記パルス位置の前記第2のグループは、前記最後のトラックのトラック位置を示すパルス位置だけから成り、さらに
前記パルス位置の前記第1のグループは、前記1つ以上の他のトラックのトラック位置を示すパルス位置だけから成る、請求項1または請求項2に記載の装置。 - 前記パルス情報デコーダは、除算結果として整数部分および余りを得るために前記状態番号をf(pk,N)で割ることによって前記第1の副状態番号および前記第2の副状態番号を生成するように構成され、前記整数部分は、前記第1の副状態番号であり、さらに、前記余りは、前記第2の副状態番号であり、pkは、前記1つ以上のトラックのそれぞれについてパルスの数を示し、さらに、Nは、前記1つ以上のトラックのそれぞれについてトラック位置の数を示す、請求項3に記載の装置。
- 前記パルス情報デコーダ(110)は、前記状態番号または更新された状態番号を閾値と比較するテストを行うように構成される、先行する請求項のうちの1つに記載の装置。
- 前記パルス情報デコーダ(110)は、前記状態番号または更新された状態番号が、前記閾値に対して、より大きいか、以上であるか、より小さいか、または以下であるかどうかを比較することによって、前記テストを行うように構成され、さらに、前記パルス情報デコーダ(110)は、さらに、前記テストの結果に応じて前記状態番号または更新された状態番号を更新するように構成される、請求項5に記載の装置。
- 前記パルス情報デコーダ(110)は、前記複数のトラックのうちの1つのトラックのそれぞれのトラック位置について前記状態番号または前記更新された状態番号を前記閾値と比較するように構成される、請求項6に記載の装置。
- 前記パルス情報デコーダ(110)は、前記トラックのうちの1つのトラックを、前記複数のトラック位置の少なくとも2つのトラック位置を含む第1のトラックパーティションおよび前記複数のトラック位置の少なくとも2つの他のトラック位置を含む第2のトラックパーティションに分割するように構成され、
前記パルス情報デコーダ(110)は、前記状態番号に基づいて第1の副状態番号および第2の副状態番号を生成するように構成され、
前記パルス情報デコーダ(110)は、前記第1の副状態番号に基づいて前記第1のトラックパーティションに関連する第1のグループのパルス位置を復号化するように構成され、さらに
前記パルス情報デコーダ(110)は、前記第2の副状態番号に基づいて前記第2のトラックパーティションに関連する第2のグループのパルス位置を復号化するように構成される、
請求項1ないし請求項3のうちの1つに記載の装置。 - オーディオ信号を符号化するための装置であって、
前記オーディオ信号および複数の予測フィルタ係数に基づいて残差信号を生成するために、前記オーディオ信号に関連する複数の予測フィルタ係数を決定するための信号プロセッサ(210)、および
前記オーディオ信号を符号化するために、1つ以上のトラックに関連する複数のパルス位置を符号化するためのパルス情報エンコーダ(220)であって、前記1つ以上のトラックは、前記残差信号に関連し、前記トラックのそれぞれは、複数のトラック位置および複数のパルスを有し、前記パルス位置のそれぞれは、前記トラックの前記パルスのうちの1つのパルスの位置を示すために前記トラックのうちの1つのトラックの前記トラック位置のうちの1つのトラック位置を示し、前記パルス情報エンコーダ(220)は、状態番号、前記トラックのうちの少なくとも1つのトラックの前記トラック位置の総数を示すトラック位置数、および前記トラックのうちの少なくとも1つのトラックの前記パルスの総数を示す総パルス数だけに基づいて、前記パルス位置を復号化することができるように、状態番号を生成することによって前記複数のパルス位置を符号化するように構成される、パルス情報エンコーダを含む、装置。 - 前記パルス情報エンコーダ(220)は、複数のパルス符号を符号化するように構成され、前記パルス符号のそれぞれは、前記複数のパルスのうちの1つのパルスの符号を示し、前記パルス情報エンコーダ(220)は、前記状態番号、前記トラックのうちの少なくとも1つのトラックの前記トラック位置の総数を示す前記トラック位置数、および前記総パルス数だけに基づいて、前記パルス符号を復号化することができるように、前記状態番号を生成することによって前記複数のパルス符号を符号化するように構成される、請求項9に記載の符号化するための装置。
- 前記パルス情報エンコーダ(220)は、前記状態番号を得るために、前記トラックのうちの1つのトラックのそれぞれのトラック位置に対してトラック位置のそれぞれのパルスについて整数値を中間番号に加えるように構成される、請求項9または請求項10に記載の装置。
- 前記パルス情報エンコーダ(220)は、前記トラックのうちの1つのトラックを、前記複数のトラック位置の少なくとも2つのトラック位置を含む第1のトラックパーティションおよび前記複数のトラック位置の少なくとも2つの他のトラック位置を含む第2のトラックパーティションに分割するように構成され、
前記パルス情報エンコーダ(220)は、前記第1のパーティションに関連する第1の副状態番号を符号化するように構成され、
前記パルス情報エンコーダ(220)は、前記第2のパーティションに関連する第2の副状態番号を符号化するように構成され、さらに
前記パルス情報エンコーダ(220)は、前記状態番号を得るために前記第1の副状態番号および前記第2の副状態番号を結合するように構成される、
請求項9または請求項10に記載の装置。 - 符号化されたオーディオ信号を復号化するための方法であって、1つ以上のトラックが前記符号化されたオーディオ信号に関連し、前記トラックのそれぞれは、複数のトラック位置および複数のパルスを有し、前記方法は、
複数のパルス位置を復号化するステップであって、前記パルス位置のそれぞれは、前記トラックの前記パルスのうちの1つのパルスの位置を示すために前記トラックのうちの1つのトラックの前記トラック位置のうちの1つのトラック位置を示し、さらに、前記複数のパルス位置は、前記トラックのうちの少なくとも1つのトラックの前記トラック位置の総数を示すトラック位置数、前記トラックのうちの少なくとも1つのトラックの前記パルスの総数を示す総パルス数、および1つの状態番号を用いることによって復号化される、ステップ、および
前記複数のパルス位置および前記符号化されたオーディオ信号に関連する複数の予測フィルタ係数を用いて、合成されたオーディオ信号を生成することによって、前記符号化されたオーディオ信号を復号化するステップを含む、方法。 - オーディオ信号を符号化するための方法であって、
前記オーディオ信号および複数の予測フィルタ係数に基づいて残差信号を生成するために、前記オーディオ信号に関連する複数の予測フィルタ係数を決定するステップ、および
前記オーディオを符号化するために、1つ以上のトラックに関連する複数のパルス位置を符号化するステップであって、前記1つ以上のトラックは、前記残差信号に関連し、前記トラックのそれぞれは、複数のトラック位置および複数のパルスを有し、前記パルス位置のそれぞれは、前記トラックの前記パルスのうちの1つのパルスの位置を示すために前記トラックのうちの1つのトラックの前記トラック位置のうちの1つのトラック位置を示し、前記複数のパルス位置は、状態番号、前記トラックのうちの少なくとも1つのトラックの前記トラック位置の総数を示すトラック位置数、および前記トラックのうちの少なくとも1つのトラックの前記パルスの総数を示す総パルス数だけに基づいて、前記パルス位置を復号化することができるように、状態番号を生成することによって符号化される、ステップを含む、方法。 - コンピュータまたは信号プロセッサ上で実行されるときに、請求項13または請求項14の方法を実施するコンピュータプログラム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161442632P | 2011-02-14 | 2011-02-14 | |
US61/442,632 | 2011-02-14 | ||
PCT/EP2012/052294 WO2012110416A1 (en) | 2011-02-14 | 2012-02-10 | Encoding and decoding of pulse positions of tracks of an audio signal |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014510302A true JP2014510302A (ja) | 2014-04-24 |
JP5800915B2 JP5800915B2 (ja) | 2015-10-28 |
Family
ID=71943601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013553882A Active JP5800915B2 (ja) | 2011-02-14 | 2012-02-10 | オーディオ信号のトラックのパルス位置の符号化および復号化 |
Country Status (19)
Country | Link |
---|---|
US (1) | US9595263B2 (ja) |
EP (3) | EP3239978B1 (ja) |
JP (1) | JP5800915B2 (ja) |
KR (1) | KR101643450B1 (ja) |
CN (1) | CN103460284B (ja) |
AR (1) | AR085361A1 (ja) |
AU (1) | AU2012217184B2 (ja) |
BR (1) | BR112013020700B1 (ja) |
CA (1) | CA2827156C (ja) |
ES (2) | ES2639646T3 (ja) |
HK (1) | HK1245987B (ja) |
MX (1) | MX2013009345A (ja) |
PL (3) | PL3239978T3 (ja) |
PT (2) | PT3239978T (ja) |
RU (1) | RU2586597C2 (ja) |
SG (1) | SG192747A1 (ja) |
TR (1) | TR201903388T4 (ja) |
WO (1) | WO2012110416A1 (ja) |
ZA (1) | ZA201306841B (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104978970B (zh) | 2014-04-08 | 2019-02-12 | 华为技术有限公司 | 一种噪声信号的处理和生成方法、编解码器和编解码系统 |
WO2016162283A1 (en) * | 2015-04-07 | 2016-10-13 | Dolby International Ab | Audio coding with range extension |
JP2022539217A (ja) | 2019-07-02 | 2022-09-07 | ドルビー・インターナショナル・アーベー | 離散指向性情報の表現、符号化、および復号化のための方法、装置、およびシステム |
US11088784B1 (en) | 2020-12-24 | 2021-08-10 | Aira Technologies, Inc. | Systems and methods for utilizing dynamic codes with neural networks |
US11575469B2 (en) | 2020-12-28 | 2023-02-07 | Aira Technologies, Inc. | Multi-bit feedback protocol systems and methods |
US11483109B2 (en) | 2020-12-28 | 2022-10-25 | Aira Technologies, Inc. | Systems and methods for multi-device communication |
US11368251B1 (en) | 2020-12-28 | 2022-06-21 | Aira Technologies, Inc. | Convergent multi-bit feedback system |
US20220291955A1 (en) | 2021-03-09 | 2022-09-15 | Intel Corporation | Asynchronous input dependency resolution mechanism |
US11489623B2 (en) | 2021-03-15 | 2022-11-01 | Aira Technologies, Inc. | Error correction in network packets |
US11496242B2 (en) | 2021-03-15 | 2022-11-08 | Aira Technologies, Inc. | Fast cyclic redundancy check: utilizing linearity of cyclic redundancy check for accelerating correction of corrupted network packets |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003506764A (ja) * | 1999-08-06 | 2003-02-18 | モトローラ・インコーポレイテッド | 情報コード化のための階乗パッキング方法及び装置 |
JP2004514182A (ja) * | 2000-11-22 | 2004-05-13 | ヴォイスエイジ コーポレイション | 広帯域信号コーディング用の代数コードブック中のパルス位置と符号の索引付け方法 |
JP2006504123A (ja) * | 2002-10-25 | 2006-02-02 | ディリティアム ネットワークス ピーティーワイ リミテッド | Celpパラメータの高速マッピング方法および装置 |
JP2010539528A (ja) * | 2007-09-11 | 2010-12-16 | ヴォイスエイジ・コーポレーション | 話声およびオーディオの符号化における、代数符号帳の高速検索のための方法および装置 |
Family Cites Families (213)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69232202T2 (de) | 1991-06-11 | 2002-07-25 | Qualcomm, Inc. | Vocoder mit veraendlicher bitrate |
US5408580A (en) | 1992-09-21 | 1995-04-18 | Aware, Inc. | Audio compression system employing multi-rate signal analysis |
SE501340C2 (sv) | 1993-06-11 | 1995-01-23 | Ericsson Telefon Ab L M | Döljande av transmissionsfel i en talavkodare |
BE1007617A3 (nl) | 1993-10-11 | 1995-08-22 | Philips Electronics Nv | Transmissiesysteem met gebruik van verschillende codeerprincipes. |
US5657422A (en) | 1994-01-28 | 1997-08-12 | Lucent Technologies Inc. | Voice activity detection driven noise remediator |
US5784532A (en) | 1994-02-16 | 1998-07-21 | Qualcomm Incorporated | Application specific integrated circuit (ASIC) for performing rapid speech compression in a mobile telephone system |
US5684920A (en) | 1994-03-17 | 1997-11-04 | Nippon Telegraph And Telephone | Acoustic signal transform coding method and decoding method having a high efficiency envelope flattening method therein |
US5568588A (en) | 1994-04-29 | 1996-10-22 | Audiocodes Ltd. | Multi-pulse analysis speech processing System and method |
CN1090409C (zh) | 1994-10-06 | 2002-09-04 | 皇家菲利浦电子有限公司 | 采用不同编码原理的传送系统 |
SE506379C3 (sv) | 1995-03-22 | 1998-01-19 | Ericsson Telefon Ab L M | Lpc-talkodare med kombinerad excitation |
US5727119A (en) | 1995-03-27 | 1998-03-10 | Dolby Laboratories Licensing Corporation | Method and apparatus for efficient implementation of single-sideband filter banks providing accurate measures of spectral magnitude and phase |
JP3317470B2 (ja) | 1995-03-28 | 2002-08-26 | 日本電信電話株式会社 | 音響信号符号化方法、音響信号復号化方法 |
US5659622A (en) | 1995-11-13 | 1997-08-19 | Motorola, Inc. | Method and apparatus for suppressing noise in a communication system |
US5890106A (en) | 1996-03-19 | 1999-03-30 | Dolby Laboratories Licensing Corporation | Analysis-/synthesis-filtering system with efficient oddly-stacked singleband filter bank using time-domain aliasing cancellation |
US5848391A (en) | 1996-07-11 | 1998-12-08 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Method subband of coding and decoding audio signals using variable length windows |
JP3259759B2 (ja) | 1996-07-22 | 2002-02-25 | 日本電気株式会社 | 音声信号伝送方法及び音声符号復号化システム |
JPH10124092A (ja) | 1996-10-23 | 1998-05-15 | Sony Corp | 音声符号化方法及び装置、並びに可聴信号符号化方法及び装置 |
US5960389A (en) | 1996-11-15 | 1999-09-28 | Nokia Mobile Phones Limited | Methods for generating comfort noise during discontinuous transmission |
JPH10214100A (ja) | 1997-01-31 | 1998-08-11 | Sony Corp | 音声合成方法 |
US6134518A (en) | 1997-03-04 | 2000-10-17 | International Business Machines Corporation | Digital audio signal coding using a CELP coder and a transform coder |
SE512719C2 (sv) | 1997-06-10 | 2000-05-02 | Lars Gustaf Liljeryd | En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion |
JP3223966B2 (ja) | 1997-07-25 | 2001-10-29 | 日本電気株式会社 | 音声符号化/復号化装置 |
US6070137A (en) | 1998-01-07 | 2000-05-30 | Ericsson Inc. | Integrated frequency-domain voice coding using an adaptive spectral enhancement filter |
ATE302991T1 (de) | 1998-01-22 | 2005-09-15 | Deutsche Telekom Ag | Verfahren zur signalgesteuerten schaltung zwischen verschiedenen audiokodierungssystemen |
GB9811019D0 (en) | 1998-05-21 | 1998-07-22 | Univ Surrey | Speech coders |
US6173257B1 (en) * | 1998-08-24 | 2001-01-09 | Conexant Systems, Inc | Completed fixed codebook for speech encoder |
US6439967B2 (en) | 1998-09-01 | 2002-08-27 | Micron Technology, Inc. | Microelectronic substrate assembly planarizing machines and methods of mechanical and chemical-mechanical planarization of microelectronic substrate assemblies |
SE521225C2 (sv) * | 1998-09-16 | 2003-10-14 | Ericsson Telefon Ab L M | Förfarande och anordning för CELP-kodning/avkodning |
US7272556B1 (en) | 1998-09-23 | 2007-09-18 | Lucent Technologies Inc. | Scalable and embedded codec for speech and audio signals |
US7124079B1 (en) | 1998-11-23 | 2006-10-17 | Telefonaktiebolaget Lm Ericsson (Publ) | Speech coding with comfort noise variability feature for increased fidelity |
FI114833B (fi) | 1999-01-08 | 2004-12-31 | Nokia Corp | Menetelmä, puhekooderi ja matkaviestin puheenkoodauskehysten muodostamiseksi |
DE19921122C1 (de) | 1999-05-07 | 2001-01-25 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zum Verschleiern eines Fehlers in einem codierten Audiosignal und Verfahren und Vorrichtung zum Decodieren eines codierten Audiosignals |
JP2003501925A (ja) | 1999-06-07 | 2003-01-14 | エリクソン インコーポレイテッド | パラメトリックノイズモデル統計値を用いたコンフォートノイズの生成方法及び装置 |
JP4464484B2 (ja) | 1999-06-15 | 2010-05-19 | パナソニック株式会社 | 雑音信号符号化装置および音声信号符号化装置 |
US6636829B1 (en) | 1999-09-22 | 2003-10-21 | Mindspeed Technologies, Inc. | Speech communication system and method for handling lost frames |
ES2269112T3 (es) | 2000-02-29 | 2007-04-01 | Qualcomm Incorporated | Codificador de voz multimodal en bucle cerrado de dominio mixto. |
US6757654B1 (en) | 2000-05-11 | 2004-06-29 | Telefonaktiebolaget Lm Ericsson | Forward error correction in speech coding |
JP2002118517A (ja) | 2000-07-31 | 2002-04-19 | Sony Corp | 直交変換装置及び方法、逆直交変換装置及び方法、変換符号化装置及び方法、並びに復号装置及び方法 |
FR2813722B1 (fr) | 2000-09-05 | 2003-01-24 | France Telecom | Procede et dispositif de dissimulation d'erreurs et systeme de transmission comportant un tel dispositif |
US6847929B2 (en) * | 2000-10-12 | 2005-01-25 | Texas Instruments Incorporated | Algebraic codebook system and method |
US6636830B1 (en) | 2000-11-22 | 2003-10-21 | Vialta Inc. | System and method for noise reduction using bi-orthogonal modified discrete cosine transform |
US7901873B2 (en) | 2001-04-23 | 2011-03-08 | Tcp Innovations Limited | Methods for the diagnosis and treatment of bone disorders |
US7136418B2 (en) | 2001-05-03 | 2006-11-14 | University Of Washington | Scalable and perceptually ranked signal coding and decoding |
US7206739B2 (en) * | 2001-05-23 | 2007-04-17 | Samsung Electronics Co., Ltd. | Excitation codebook search method in a speech coding system |
US20020184009A1 (en) | 2001-05-31 | 2002-12-05 | Heikkinen Ari P. | Method and apparatus for improved voicing determination in speech signals containing high levels of jitter |
US20030120484A1 (en) | 2001-06-12 | 2003-06-26 | David Wong | Method and system for generating colored comfort noise in the absence of silence insertion description packets |
DE10129240A1 (de) | 2001-06-18 | 2003-01-02 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zum Verarbeiten von zeitdiskreten Audio-Abtastwerten |
US6879955B2 (en) | 2001-06-29 | 2005-04-12 | Microsoft Corporation | Signal modification based on continuous time warping for low bit rate CELP coding |
US7711563B2 (en) | 2001-08-17 | 2010-05-04 | Broadcom Corporation | Method and system for frame erasure concealment for predictive speech coding based on extrapolation of speech waveform |
DE10140507A1 (de) * | 2001-08-17 | 2003-02-27 | Philips Corp Intellectual Pty | Verfahren für die algebraische Codebook-Suche eines Sprachsignalkodierers |
KR100438175B1 (ko) * | 2001-10-23 | 2004-07-01 | 엘지전자 주식회사 | 코드북 검색방법 |
CA2365203A1 (en) * | 2001-12-14 | 2003-06-14 | Voiceage Corporation | A signal modification method for efficient coding of speech signals |
US6934677B2 (en) | 2001-12-14 | 2005-08-23 | Microsoft Corporation | Quantization matrices based on critical band pattern information for digital audio wherein quantization bands differ from critical bands |
US7240001B2 (en) | 2001-12-14 | 2007-07-03 | Microsoft Corporation | Quality improvement techniques in an audio encoder |
DE10200653B4 (de) | 2002-01-10 | 2004-05-27 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Skalierbarer Codierer, Verfahren zum Codieren, Decodierer und Verfahren zum Decodieren für einen skalierten Datenstrom |
CA2388439A1 (en) | 2002-05-31 | 2003-11-30 | Voiceage Corporation | A method and device for efficient frame erasure concealment in linear predictive based speech codecs |
CA2388352A1 (en) | 2002-05-31 | 2003-11-30 | Voiceage Corporation | A method and device for frequency-selective pitch enhancement of synthesized speed |
CA2388358A1 (en) * | 2002-05-31 | 2003-11-30 | Voiceage Corporation | A method and device for multi-rate lattice vector quantization |
US7302387B2 (en) * | 2002-06-04 | 2007-11-27 | Texas Instruments Incorporated | Modification of fixed codebook search in G.729 Annex E audio coding |
US20040010329A1 (en) | 2002-07-09 | 2004-01-15 | Silicon Integrated Systems Corp. | Method for reducing buffer requirements in a digital audio decoder |
DE10236694A1 (de) | 2002-08-09 | 2004-02-26 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum skalierbaren Codieren und Vorrichtung und Verfahren zum skalierbaren Decodieren |
US7502743B2 (en) | 2002-09-04 | 2009-03-10 | Microsoft Corporation | Multi-channel audio encoding and decoding with multi-channel transform selection |
US7299190B2 (en) | 2002-09-04 | 2007-11-20 | Microsoft Corporation | Quantization and inverse quantization for audio |
CN1703736A (zh) | 2002-10-11 | 2005-11-30 | 诺基亚有限公司 | 用于源控制可变比特率宽带语音编码的方法和装置 |
US7343283B2 (en) | 2002-10-23 | 2008-03-11 | Motorola, Inc. | Method and apparatus for coding a noise-suppressed audio signal |
KR100463419B1 (ko) * | 2002-11-11 | 2004-12-23 | 한국전자통신연구원 | 적은 복잡도를 가진 고정 코드북 검색방법 및 장치 |
KR100463559B1 (ko) * | 2002-11-11 | 2004-12-29 | 한국전자통신연구원 | 대수 코드북을 이용하는 켈프 보코더의 코드북 검색방법 |
KR100465316B1 (ko) * | 2002-11-18 | 2005-01-13 | 한국전자통신연구원 | 음성 부호화기 및 이를 이용한 음성 부호화 방법 |
KR20040058855A (ko) * | 2002-12-27 | 2004-07-05 | 엘지전자 주식회사 | 음성 변조 장치 및 방법 |
AU2003208517A1 (en) | 2003-03-11 | 2004-09-30 | Nokia Corporation | Switching between coding schemes |
US7249014B2 (en) * | 2003-03-13 | 2007-07-24 | Intel Corporation | Apparatus, methods and articles incorporating a fast algebraic codebook search technique |
US20050021338A1 (en) | 2003-03-17 | 2005-01-27 | Dan Graboi | Recognition device and system |
KR100556831B1 (ko) * | 2003-03-25 | 2006-03-10 | 한국전자통신연구원 | 전역 펄스 교체를 통한 고정 코드북 검색 방법 |
WO2004090870A1 (ja) * | 2003-04-04 | 2004-10-21 | Kabushiki Kaisha Toshiba | 広帯域音声を符号化または復号化するための方法及び装置 |
US7318035B2 (en) | 2003-05-08 | 2008-01-08 | Dolby Laboratories Licensing Corporation | Audio coding systems and methods using spectral component coupling and spectral component regeneration |
DE10321983A1 (de) | 2003-05-15 | 2004-12-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Einbetten einer binären Nutzinformation in ein Trägersignal |
ES2354427T3 (es) | 2003-06-30 | 2011-03-14 | Koninklijke Philips Electronics N.V. | Mejora de la calidad de audio decodificado mediante la adición de ruido. |
DE10331803A1 (de) | 2003-07-14 | 2005-02-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Umsetzen in eine transformierte Darstellung oder zum inversen Umsetzen der transformierten Darstellung |
US6987591B2 (en) | 2003-07-17 | 2006-01-17 | Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Industry Through The Communications Research Centre Canada | Volume hologram |
DE10345995B4 (de) | 2003-10-02 | 2005-07-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Verarbeiten eines Signals mit einer Sequenz von diskreten Werten |
DE10345996A1 (de) | 2003-10-02 | 2005-04-28 | Fraunhofer Ges Forschung | Vorrichtung und Verfahren zum Verarbeiten von wenigstens zwei Eingangswerten |
US7418396B2 (en) | 2003-10-14 | 2008-08-26 | Broadcom Corporation | Reduced memory implementation technique of filterbank and block switching for real-time audio applications |
US20050091044A1 (en) | 2003-10-23 | 2005-04-28 | Nokia Corporation | Method and system for pitch contour quantization in audio coding |
US20050091041A1 (en) | 2003-10-23 | 2005-04-28 | Nokia Corporation | Method and system for speech coding |
WO2005073959A1 (en) | 2004-01-28 | 2005-08-11 | Koninklijke Philips Electronics N.V. | Audio signal decoding using complex-valued data |
EP2770694A1 (en) | 2004-02-12 | 2014-08-27 | Core Wireless Licensing S.a.r.l. | Classified media quality of experience |
DE102004007200B3 (de) | 2004-02-13 | 2005-08-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audiocodierung |
CA2457988A1 (en) * | 2004-02-18 | 2005-08-18 | Voiceage Corporation | Methods and devices for audio compression based on acelp/tcx coding and multi-rate lattice vector quantization |
FI118834B (fi) | 2004-02-23 | 2008-03-31 | Nokia Corp | Audiosignaalien luokittelu |
FI118835B (fi) | 2004-02-23 | 2008-03-31 | Nokia Corp | Koodausmallin valinta |
CN1930607B (zh) | 2004-03-05 | 2010-11-10 | 松下电器产业株式会社 | 差错隐藏装置以及差错隐藏方法 |
WO2005096274A1 (fr) | 2004-04-01 | 2005-10-13 | Beijing Media Works Co., Ltd | Dispositif et procede de codage/decodage audio ameliores |
GB0408856D0 (en) | 2004-04-21 | 2004-05-26 | Nokia Corp | Signal encoding |
CA2566368A1 (en) | 2004-05-17 | 2005-11-24 | Nokia Corporation | Audio encoding with different coding frame lengths |
JP4168976B2 (ja) | 2004-05-28 | 2008-10-22 | ソニー株式会社 | オーディオ信号符号化装置及び方法 |
US7649988B2 (en) | 2004-06-15 | 2010-01-19 | Acoustic Technologies, Inc. | Comfort noise generator using modified Doblinger noise estimate |
US8160274B2 (en) | 2006-02-07 | 2012-04-17 | Bongiovi Acoustics Llc. | System and method for digital signal processing |
US7630902B2 (en) | 2004-09-17 | 2009-12-08 | Digital Rise Technology Co., Ltd. | Apparatus and methods for digital audio coding using codebook application ranges |
KR100656788B1 (ko) * | 2004-11-26 | 2006-12-12 | 한국전자통신연구원 | 비트율 신축성을 갖는 코드벡터 생성 방법 및 그를 이용한 광대역 보코더 |
TWI253057B (en) | 2004-12-27 | 2006-04-11 | Quanta Comp Inc | Search system and method thereof for searching code-vector of speech signal in speech encoder |
WO2006079348A1 (en) | 2005-01-31 | 2006-08-03 | Sonorit Aps | Method for generating concealment frames in communication system |
US7519535B2 (en) | 2005-01-31 | 2009-04-14 | Qualcomm Incorporated | Frame erasure concealment in voice communications |
JP4519169B2 (ja) | 2005-02-02 | 2010-08-04 | 富士通株式会社 | 信号処理方法および信号処理装置 |
US20070147518A1 (en) | 2005-02-18 | 2007-06-28 | Bruno Bessette | Methods and devices for low-frequency emphasis during audio compression based on ACELP/TCX |
US8155965B2 (en) | 2005-03-11 | 2012-04-10 | Qualcomm Incorporated | Time warping frames inside the vocoder by modifying the residual |
JP5129117B2 (ja) | 2005-04-01 | 2013-01-23 | クゥアルコム・インコーポレイテッド | 音声信号の高帯域部分を符号化及び復号する方法及び装置 |
WO2006126844A2 (en) | 2005-05-26 | 2006-11-30 | Lg Electronics Inc. | Method and apparatus for decoding an audio signal |
US7707034B2 (en) | 2005-05-31 | 2010-04-27 | Microsoft Corporation | Audio codec post-filter |
RU2296377C2 (ru) | 2005-06-14 | 2007-03-27 | Михаил Николаевич Гусев | Способ анализа и синтеза речи |
WO2006136901A2 (en) | 2005-06-18 | 2006-12-28 | Nokia Corporation | System and method for adaptive transmission of comfort noise parameters during discontinuous speech transmission |
FR2888699A1 (fr) | 2005-07-13 | 2007-01-19 | France Telecom | Dispositif de codage/decodage hierachique |
US7610197B2 (en) | 2005-08-31 | 2009-10-27 | Motorola, Inc. | Method and apparatus for comfort noise generation in speech communication systems |
RU2312405C2 (ru) | 2005-09-13 | 2007-12-10 | Михаил Николаевич Гусев | Способ осуществления машинной оценки качества звуковых сигналов |
US20070174047A1 (en) | 2005-10-18 | 2007-07-26 | Anderson Kyle D | Method and apparatus for resynchronizing packetized audio streams |
US7720677B2 (en) | 2005-11-03 | 2010-05-18 | Coding Technologies Ab | Time warped modified transform coding of audio signals |
US7536299B2 (en) | 2005-12-19 | 2009-05-19 | Dolby Laboratories Licensing Corporation | Correlating and decorrelating transforms for multiple description coding systems |
US8255207B2 (en) | 2005-12-28 | 2012-08-28 | Voiceage Corporation | Method and device for efficient frame erasure concealment in speech codecs |
WO2007080211A1 (en) | 2006-01-09 | 2007-07-19 | Nokia Corporation | Decoding of binaural audio signals |
CN101371295B (zh) | 2006-01-18 | 2011-12-21 | Lg电子株式会社 | 用于编码和解码信号的设备和方法 |
US8032369B2 (en) | 2006-01-20 | 2011-10-04 | Qualcomm Incorporated | Arbitrary average data rates for variable rate coders |
US7668304B2 (en) | 2006-01-25 | 2010-02-23 | Avaya Inc. | Display hierarchy of participants during phone call |
FR2897733A1 (fr) | 2006-02-20 | 2007-08-24 | France Telecom | Procede de discrimination et d'attenuation fiabilisees des echos d'un signal numerique dans un decodeur et dispositif correspondant |
FR2897977A1 (fr) | 2006-02-28 | 2007-08-31 | France Telecom | Procede de limitation de gain d'excitation adaptative dans un decodeur audio |
EP1852848A1 (en) | 2006-05-05 | 2007-11-07 | Deutsche Thomson-Brandt GmbH | Method and apparatus for lossless encoding of a source signal using a lossy encoded data stream and a lossless extension data stream |
US7873511B2 (en) | 2006-06-30 | 2011-01-18 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic |
JP4810335B2 (ja) | 2006-07-06 | 2011-11-09 | 株式会社東芝 | 広帯域オーディオ信号符号化装置および広帯域オーディオ信号復号装置 |
WO2008007700A1 (fr) | 2006-07-12 | 2008-01-17 | Panasonic Corporation | Dispositif de décodage de son, dispositif de codage de son, et procédé de compensation de trame perdue |
EP2040251B1 (en) | 2006-07-12 | 2019-10-09 | III Holdings 12, LLC | Audio decoding device and audio encoding device |
US7933770B2 (en) | 2006-07-14 | 2011-04-26 | Siemens Audiologische Technik Gmbh | Method and device for coding audio data based on vector quantisation |
CN101512633B (zh) | 2006-07-24 | 2012-01-25 | 索尼株式会社 | 毛发运动合成器系统和用于毛发/皮毛流水线的优化技术 |
US7987089B2 (en) | 2006-07-31 | 2011-07-26 | Qualcomm Incorporated | Systems and methods for modifying a zero pad region of a windowed frame of an audio signal |
EP2054876B1 (en) | 2006-08-15 | 2011-10-26 | Broadcom Corporation | Packet loss concealment for sub-band predictive coding based on extrapolation of full-band audio waveform |
US7877253B2 (en) | 2006-10-06 | 2011-01-25 | Qualcomm Incorporated | Systems, methods, and apparatus for frame erasure recovery |
US8041578B2 (en) | 2006-10-18 | 2011-10-18 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Encoding an information signal |
US8417532B2 (en) | 2006-10-18 | 2013-04-09 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Encoding an information signal |
DE102006049154B4 (de) | 2006-10-18 | 2009-07-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Kodierung eines Informationssignals |
US8036903B2 (en) | 2006-10-18 | 2011-10-11 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Analysis filterbank, synthesis filterbank, encoder, de-coder, mixer and conferencing system |
US8126721B2 (en) | 2006-10-18 | 2012-02-28 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Encoding an information signal |
EP3288027B1 (en) | 2006-10-25 | 2021-04-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for generating complex-valued audio subband values |
DE102006051673A1 (de) | 2006-11-02 | 2008-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Nachbearbeiten von Spektralwerten und Encodierer und Decodierer für Audiosignale |
JP5171842B2 (ja) | 2006-12-12 | 2013-03-27 | フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー.ファオ | 時間領域データストリームを表している符号化および復号化のための符号器、復号器およびその方法 |
FR2911228A1 (fr) | 2007-01-05 | 2008-07-11 | France Telecom | Codage par transformee, utilisant des fenetres de ponderation et a faible retard. |
KR101379263B1 (ko) | 2007-01-12 | 2014-03-28 | 삼성전자주식회사 | 대역폭 확장 복호화 방법 및 장치 |
FR2911426A1 (fr) | 2007-01-15 | 2008-07-18 | France Telecom | Modification d'un signal de parole |
US7873064B1 (en) | 2007-02-12 | 2011-01-18 | Marvell International Ltd. | Adaptive jitter buffer-packet loss concealment |
JP4708446B2 (ja) | 2007-03-02 | 2011-06-22 | パナソニック株式会社 | 符号化装置、復号装置およびそれらの方法 |
JP5241701B2 (ja) | 2007-03-02 | 2013-07-17 | パナソニック株式会社 | 符号化装置および符号化方法 |
US8364472B2 (en) | 2007-03-02 | 2013-01-29 | Panasonic Corporation | Voice encoding device and voice encoding method |
DE102007013811A1 (de) | 2007-03-22 | 2008-09-25 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur zeitlichen Segmentierung eines Videos in Videobildfolgen und zur Auswahl von Keyframes für das Auffinden von Bildinhalten unter Einbeziehung einer Subshot-Detektion |
JP2008261904A (ja) | 2007-04-10 | 2008-10-30 | Matsushita Electric Ind Co Ltd | 符号化装置、復号化装置、符号化方法および復号化方法 |
US8630863B2 (en) | 2007-04-24 | 2014-01-14 | Samsung Electronics Co., Ltd. | Method and apparatus for encoding and decoding audio/speech signal |
EP2157573B1 (en) * | 2007-04-29 | 2014-11-26 | Huawei Technologies Co., Ltd. | An encoding and decoding method |
CN101388210B (zh) * | 2007-09-15 | 2012-03-07 | 华为技术有限公司 | 编解码方法及编解码器 |
CN101743586B (zh) | 2007-06-11 | 2012-10-17 | 弗劳恩霍夫应用研究促进协会 | 音频编码器、编码方法、解码器、解码方法 |
US9653088B2 (en) | 2007-06-13 | 2017-05-16 | Qualcomm Incorporated | Systems, methods, and apparatus for signal encoding using pitch-regularizing and non-pitch-regularizing coding |
KR101513028B1 (ko) | 2007-07-02 | 2015-04-17 | 엘지전자 주식회사 | 방송 수신기 및 방송신호 처리방법 |
US8185381B2 (en) | 2007-07-19 | 2012-05-22 | Qualcomm Incorporated | Unified filter bank for performing signal conversions |
CN101110214B (zh) | 2007-08-10 | 2011-08-17 | 北京理工大学 | 一种基于多描述格型矢量量化技术的语音编码方法 |
US8428957B2 (en) | 2007-08-24 | 2013-04-23 | Qualcomm Incorporated | Spectral noise shaping in audio coding based on spectral dynamics in frequency sub-bands |
CA2698039C (en) | 2007-08-27 | 2016-05-17 | Telefonaktiebolaget Lm Ericsson (Publ) | Low-complexity spectral analysis/synthesis using selectable time resolution |
JP4886715B2 (ja) | 2007-08-28 | 2012-02-29 | 日本電信電話株式会社 | 定常率算出装置、雑音レベル推定装置、雑音抑圧装置、それらの方法、プログラム及び記録媒体 |
CN100524462C (zh) | 2007-09-15 | 2009-08-05 | 华为技术有限公司 | 对高带信号进行帧错误隐藏的方法及装置 |
US8576096B2 (en) | 2007-10-11 | 2013-11-05 | Motorola Mobility Llc | Apparatus and method for low complexity combinatorial coding of signals |
KR101373004B1 (ko) | 2007-10-30 | 2014-03-26 | 삼성전자주식회사 | 고주파수 신호 부호화 및 복호화 장치 및 방법 |
CN101425292B (zh) | 2007-11-02 | 2013-01-02 | 华为技术有限公司 | 一种音频信号的解码方法及装置 |
DE102007055830A1 (de) | 2007-12-17 | 2009-06-18 | Zf Friedrichshafen Ag | Verfahren und Vorrichtung zum Betrieb eines Hybridantriebes eines Fahrzeuges |
CN101483043A (zh) * | 2008-01-07 | 2009-07-15 | 中兴通讯股份有限公司 | 基于分类和排列组合的码本索引编码方法 |
CN101488344B (zh) | 2008-01-16 | 2011-09-21 | 华为技术有限公司 | 一种量化噪声泄漏控制方法及装置 |
DE102008015702B4 (de) | 2008-01-31 | 2010-03-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zur Bandbreitenerweiterung eines Audiosignals |
AU2009221443B2 (en) | 2008-03-04 | 2012-01-12 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus for mixing a plurality of input data streams |
US8000487B2 (en) | 2008-03-06 | 2011-08-16 | Starkey Laboratories, Inc. | Frequency translation by high-frequency spectral envelope warping in hearing assistance devices |
FR2929466A1 (fr) | 2008-03-28 | 2009-10-02 | France Telecom | Dissimulation d'erreur de transmission dans un signal numerique dans une structure de decodage hierarchique |
EP2107556A1 (en) | 2008-04-04 | 2009-10-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio transform coding using pitch correction |
US8879643B2 (en) | 2008-04-15 | 2014-11-04 | Qualcomm Incorporated | Data substitution scheme for oversampled data |
US8768690B2 (en) | 2008-06-20 | 2014-07-01 | Qualcomm Incorporated | Coding scheme selection for low-bit-rate applications |
MX2011000375A (es) | 2008-07-11 | 2011-05-19 | Fraunhofer Ges Forschung | Codificador y decodificador de audio para codificar y decodificar tramas de una señal de audio muestreada. |
MY181231A (en) | 2008-07-11 | 2020-12-21 | Fraunhofer Ges Zur Forderung Der Angenwandten Forschung E V | Audio encoder and decoder for encoding and decoding audio samples |
EP2144171B1 (en) | 2008-07-11 | 2018-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder and decoder for encoding and decoding frames of a sampled audio signal |
EP2144230A1 (en) | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Low bitrate audio encoding/decoding scheme having cascaded switches |
CA2836871C (en) | 2008-07-11 | 2017-07-18 | Stefan Bayer | Time warp activation signal provider, audio signal encoder, method for providing a time warp activation signal, method for encoding an audio signal and computer programs |
MY154452A (en) | 2008-07-11 | 2015-06-15 | Fraunhofer Ges Forschung | An apparatus and a method for decoding an encoded audio signal |
PL2301020T3 (pl) | 2008-07-11 | 2013-06-28 | Fraunhofer Ges Forschung | Urządzenie i sposób do kodowania/dekodowania sygnału audio z użyciem algorytmu przełączania aliasingu |
US8380498B2 (en) | 2008-09-06 | 2013-02-19 | GH Innovation, Inc. | Temporal envelope coding of energy attack signal by using attack point location |
US8352279B2 (en) | 2008-09-06 | 2013-01-08 | Huawei Technologies Co., Ltd. | Efficient temporal envelope coding approach by prediction between low band signal and high band signal |
US8577673B2 (en) | 2008-09-15 | 2013-11-05 | Huawei Technologies Co., Ltd. | CELP post-processing for music signals |
US8798776B2 (en) | 2008-09-30 | 2014-08-05 | Dolby International Ab | Transcoding of audio metadata |
DE102008042579B4 (de) | 2008-10-02 | 2020-07-23 | Robert Bosch Gmbh | Verfahren zur Fehlerverdeckung bei fehlerhafter Übertragung von Sprachdaten |
CN102177426B (zh) | 2008-10-08 | 2014-11-05 | 弗兰霍菲尔运输应用研究公司 | 多分辨率切换音频编码/解码方案 |
KR101315617B1 (ko) | 2008-11-26 | 2013-10-08 | 광운대학교 산학협력단 | 모드 스위칭에 기초하여 윈도우 시퀀스를 처리하는 통합 음성/오디오 부/복호화기 |
CN101770775B (zh) | 2008-12-31 | 2011-06-22 | 华为技术有限公司 | 信号处理方法及装置 |
UA99878C2 (ru) | 2009-01-16 | 2012-10-10 | Долби Интернешнл Аб | Гармоническое преобразование, усовершенствованное перекрестным произведением |
US8457975B2 (en) | 2009-01-28 | 2013-06-04 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio decoder, audio encoder, methods for decoding and encoding an audio signal and computer program |
AR075199A1 (es) | 2009-01-28 | 2011-03-16 | Fraunhofer Ges Forschung | Codificador de audio decodificador de audio informacion de audio codificada metodos para la codificacion y decodificacion de una senal de audio y programa de computadora |
EP2214165A3 (en) | 2009-01-30 | 2010-09-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method and computer program for manipulating an audio signal comprising a transient event |
CN103366755B (zh) | 2009-02-16 | 2016-05-18 | 韩国电子通信研究院 | 对音频信号进行编码和解码的方法和设备 |
EP2234103B1 (en) | 2009-03-26 | 2011-09-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Device and method for manipulating an audio signal |
KR20100115215A (ko) | 2009-04-17 | 2010-10-27 | 삼성전자주식회사 | 가변 비트율 오디오 부호화 및 복호화 장치 및 방법 |
EP3764356A1 (en) | 2009-06-23 | 2021-01-13 | VoiceAge Corporation | Forward time-domain aliasing cancellation with application in weighted or original signal domain |
JP5267362B2 (ja) | 2009-07-03 | 2013-08-21 | 富士通株式会社 | オーディオ符号化装置、オーディオ符号化方法及びオーディオ符号化用コンピュータプログラムならびに映像伝送装置 |
CN101958119B (zh) | 2009-07-16 | 2012-02-29 | 中兴通讯股份有限公司 | 一种改进的离散余弦变换域音频丢帧补偿器和补偿方法 |
US8635357B2 (en) | 2009-09-08 | 2014-01-21 | Google Inc. | Dynamic selection of parameter sets for transcoding media data |
BR122020024236B1 (pt) | 2009-10-20 | 2021-09-14 | Fraunhofer - Gesellschaft Zur Förderung Der Angewandten Forschung E. V. | Codificador de sinal de áudio, decodificador de sinal de áudio, método para prover uma representação codificada de um conteúdo de áudio, método para prover uma representação decodificada de um conteúdo de áudio e programa de computador para uso em aplicações de baixo retardamento |
WO2011048117A1 (en) | 2009-10-20 | 2011-04-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio signal encoder, audio signal decoder, method for encoding or decoding an audio signal using an aliasing-cancellation |
BR112012009490B1 (pt) | 2009-10-20 | 2020-12-01 | Fraunhofer-Gesellschaft zur Föerderung der Angewandten Forschung E.V. | ddecodificador de áudio multimodo e método de decodificação de áudio multimodo para fornecer uma representação decodificada do conteúdo de áudio com base em um fluxo de bits codificados e codificador de áudio multimodo para codificação de um conteúdo de áudio em um fluxo de bits codificados |
CN102081927B (zh) | 2009-11-27 | 2012-07-18 | 中兴通讯股份有限公司 | 一种可分层音频编码、解码方法及系统 |
US8428936B2 (en) | 2010-03-05 | 2013-04-23 | Motorola Mobility Llc | Decoder for audio signal including generic audio and speech frames |
US8423355B2 (en) | 2010-03-05 | 2013-04-16 | Motorola Mobility Llc | Encoder for audio signal including generic audio and speech frames |
US8793126B2 (en) | 2010-04-14 | 2014-07-29 | Huawei Technologies Co., Ltd. | Time/frequency two dimension post-processing |
TW201214415A (en) | 2010-05-28 | 2012-04-01 | Fraunhofer Ges Forschung | Low-delay unified speech and audio codec |
FR2963254B1 (fr) | 2010-07-27 | 2012-08-24 | Maurice Guerin | Dispositif et procede pour laver des surfaces internes d?une enceinte |
BR112013020482B1 (pt) | 2011-02-14 | 2021-02-23 | Fraunhofer Ges Forschung | aparelho e método para processar um sinal de áudio decodificado em um domínio espectral |
EP3373296A1 (en) | 2011-02-14 | 2018-09-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Noise generation in audio codecs |
WO2013075753A1 (en) | 2011-11-25 | 2013-05-30 | Huawei Technologies Co., Ltd. | An apparatus and a method for encoding an input signal |
-
2012
- 2012-02-10 ES ES12703123.5T patent/ES2639646T3/es active Active
- 2012-02-10 CN CN201280016442.4A patent/CN103460284B/zh active Active
- 2012-02-10 RU RU2013142068/08A patent/RU2586597C2/ru active
- 2012-02-10 PL PL17171964T patent/PL3239978T3/pl unknown
- 2012-02-10 JP JP2013553882A patent/JP5800915B2/ja active Active
- 2012-02-10 EP EP17171964.4A patent/EP3239978B1/en active Active
- 2012-02-10 EP EP18209670.1A patent/EP3471092B1/en active Active
- 2012-02-10 CA CA2827156A patent/CA2827156C/en active Active
- 2012-02-10 WO PCT/EP2012/052294 patent/WO2012110416A1/en active Application Filing
- 2012-02-10 PL PL12703123T patent/PL2676267T3/pl unknown
- 2012-02-10 BR BR112013020700-0A patent/BR112013020700B1/pt active IP Right Grant
- 2012-02-10 KR KR1020137024213A patent/KR101643450B1/ko active IP Right Grant
- 2012-02-10 ES ES17171964T patent/ES2715191T3/es active Active
- 2012-02-10 AR ARP120100443A patent/AR085361A1/es active IP Right Grant
- 2012-02-10 MX MX2013009345A patent/MX2013009345A/es active IP Right Grant
- 2012-02-10 EP EP12703123.5A patent/EP2676267B1/en active Active
- 2012-02-10 SG SG2013061379A patent/SG192747A1/en unknown
- 2012-02-10 TR TR2019/03388T patent/TR201903388T4/tr unknown
- 2012-02-10 AU AU2012217184A patent/AU2012217184B2/en active Active
- 2012-02-10 PT PT17171964T patent/PT3239978T/pt unknown
- 2012-02-10 PL PL18209670T patent/PL3471092T3/pl unknown
- 2012-02-10 PT PT127031235T patent/PT2676267T/pt unknown
-
2013
- 2013-08-14 US US13/966,635 patent/US9595263B2/en active Active
- 2013-09-11 ZA ZA2013/06841A patent/ZA201306841B/en unknown
-
2018
- 2018-04-24 HK HK18105291.5A patent/HK1245987B/zh unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003506764A (ja) * | 1999-08-06 | 2003-02-18 | モトローラ・インコーポレイテッド | 情報コード化のための階乗パッキング方法及び装置 |
JP2004514182A (ja) * | 2000-11-22 | 2004-05-13 | ヴォイスエイジ コーポレイション | 広帯域信号コーディング用の代数コードブック中のパルス位置と符号の索引付け方法 |
JP2006504123A (ja) * | 2002-10-25 | 2006-02-02 | ディリティアム ネットワークス ピーティーワイ リミテッド | Celpパラメータの高速マッピング方法および装置 |
JP2010539528A (ja) * | 2007-09-11 | 2010-12-16 | ヴォイスエイジ・コーポレーション | 話声およびオーディオの符号化における、代数符号帳の高速検索のための方法および装置 |
Non-Patent Citations (2)
Title |
---|
JPN6014035395; James P.ASHLEY, et al.: '"WIDEBAND CODING OF SPEECH USING A SCALABLE PULSE CODEBOOK"' Proceedings of the 2000 IEEE Workshop on Speech Coding , 200009, pp.148-150 * |
JPN6014035396; Timothy B.TERRIBERRY, et al.: '"A Multiply-Free Enumeration of Combinations with Replacement and Sign"' IEEE Signal Processing Letters Vol.15, 200712, pp.1-9 * |
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5800915B2 (ja) | オーディオ信号のトラックのパルス位置の符号化および復号化 | |
TWI488176B (zh) | 音訊信號音軌脈衝位置之編碼與解碼技術 | |
JP6573640B2 (ja) | オーディオ・エンコーダおよびデコーダ | |
EP3311318B1 (en) | Method for compressing genomic data | |
KR101170137B1 (ko) | 복잡성이 축소된 벡터 인덱싱 및 탈-인덱싱 | |
EP3074970B1 (en) | Audio encoder and decoder | |
JP4601690B2 (ja) | ベクトル符号化/復号化方法、装置、及びストリーム・メディア・プレイヤー | |
ES2428572T3 (es) | Dispositivo de codificación de audio y método de codificación de audio | |
US8487789B2 (en) | Method and apparatus for lossless encoding and decoding based on context | |
KR20070008413A (ko) | 코드북 탐색 방법 및 장치 | |
ES2821725T3 (es) | Codificación y decodificación de posiciones de impulso de pistas de una señal de audio | |
JP2019124951A (ja) | 快適雑音生成モード選択のための装置および方法 | |
JP2010537552A (ja) | デジタル信号ソーティングに対するシステム、方法、および/または装置 | |
JP5789816B2 (ja) | 符号化装置、この方法、プログラム及び記録媒体 | |
JP5762636B2 (ja) | 符号化装置、復号装置、これらの方法、プログラム、および記録媒体 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20140826 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20141125 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20141202 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20150225 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20150804 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20150825 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5800915 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |