Recording medium recording complementary program, complementary method, and information processing device

A recording medium stores a program causing a computer to execute processing including: specifying demonstrative words from character information; extracting a first feature of a first referent corresponding to a first demonstrative word, and a second feature of a second referent corresponding to a second demonstrative word; calculating a similarity between the first feature and the second feature corresponding to a same one of the genres; calculating a degree of attention based on information out of the voice information, the character information, and the image information; selecting at least genres based on the similarity and the degree of attention; creating a first complementary word obtained by modifying a name of the first referent with the first feature corresponding to each of the selected genres; and creating a second complementary word obtained by modifying a name of the second referent with the second feature corresponding to each of the selected genres.

RECORDING MEDIUM RECORDING UTTERANCE IMPRESSION DETERMINATION PROGRAM, UTTERANCE IMPRESSION DETERMINATION METHOD, AND INFORMATION PROCESSING APPARATUS

A non-transitory computer-readable recording medium that records a program for causing a computer to execute an utterance impression determination process of: specifying a current fundamental frequency from a voice signal which is received, calculating a relaxation value by changing the current fundamental frequency in chronological order so that the change in the current fundamental frequency becomes moderate, and evaluating the voice signal based on a degree of a magnitude of a difference between at least one feature amount associated with the current fundamental frequency and the relaxation value corresponding to the feature amount. 1. A non-transitory computer-readable recording medium that records a program for causing a computer to execute an utterance impression determination process of:specifying a current fundamental frequency from a voice signal which is received;calculating a relaxation value by changing the current fundamental frequency in chronological order so that the change in the current fundamental frequency becomes moderate; andevaluating the voice signal based on a degree of a magnitude of a difference between at least one feature amount associated with the current fundamental frequency and the relaxation value corresponding to the feature amount.2. The non-transitory computer-readable recording medium according to claim 1 ,wherein the relaxation value is one of a moving average value of a fundamental frequency of a section of the voice signal and a weighted average value of the current fundamental frequency which is calculated based on a weighted average value of a past fundamental frequency, which is obtained by weighting a weight of the weighted average value of the past fundamental frequency using a long-term weighting coefficient that changes the fundamental frequency so that the change in the fundamental frequency becomes moderate, and the current fundamental frequency.3. The non-transitory computer-readable recording medium according to ...

INFORMATION PROCESSING APPARATUS, METHOD AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM

An information processing apparatus includes a memory, and a processor coupled to the memory and configured to specify a first signal level of a first voice signal, specify a second signal level of a second voice signal, and execute evaluation of at least one of the first voice signal and the second voice signal based on at least one of a sum of the first signal level and the second signal level and an average of the first signal level and the second signal level. 1. An information processing apparatus comprising:a memory; and specify a first signal level of a first voice signal;', 'specify a second signal level of a second voice signal; and', 'execute evaluation of at least one of the first voice signal and the second voice signal based on at least one of a sum of the first signal level and the second signal level and an average of the first signal level and the second signal level., 'a processor coupled to the memory and configured to2. The information processing apparatus according to claim 1 , wherein the processor is configured to:specify a ratio of the first signal level and the second signal level; andexecute the evaluation on impressions of at least one of the first voice signal and the second voice signal based on the specified ratio.3. The information processing apparatus according to claim 1 , wherein the processor is configured to:specify a time period for which at least one of the sum and the average continuously exceeds a threshold; andexecute the evaluation on impressions of at least one of the first voice signal and the second voice signal based on the specified time period.4. The information processing apparatus according to claim 1 , wherein the processor is configured to:specify a frequency that at least one of the sum and the average exceeds a threshold; andexecute the evaluation on impressions of at least one of the first voice signal and the second voice signal based on the specified frequency.5. The information processing apparatus according ...

NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM FOR STORING DETECTION PROGRAM, DETECTION METHOD, AND DETECTION APPARATUS

A detection method implemented by a computer, the detection method includes: acquiring voice information containing voices of a plurality of speakers; detecting a first speech segment of a first speaker among the plurality of speakers included in the voice information based on a first acoustic feature of the first speaker, the first acoustic feature being obtained by performing a machine learning; and detecting a second speech segment of a second speaker among the plurality of speakers based on a second acoustic feature, the second acoustic feature being an acoustic feature included in the voice information associated with a predetermined time range, the predetermined time range being a time range outside the first speech segment. 1. A non-transitory computer-readable storage medium for storing a detection program which causes a processor to perform processing , the processing comprising:acquiring voice information containing voices of a plurality of speakers;detecting a first speech segment of a first speaker among the plurality of speakers included in the voice information based on a first acoustic feature of the first speaker, the first acoustic feature being obtained by performing a machine learning; anddetecting a second speech segment of a second speaker among the plurality of speakers based on a second acoustic feature, the second acoustic feature being an acoustic feature included in the voice information associated with a predetermined time range, the predetermined time range being a time range outside the first speech segment.2. The non-transitory computer-readable storage medium according to claim 1 , whereinthe detecting of a first speech segment is configured to detect the first speech segment based on a similarity of the learned acoustic feature to an acoustic feature included in the voice information.3. The non-transitory computer-readable storage medium according to claim 1 , causing the computer to execute the processing further comprising:updating ...

SOUND PROCESSING DEVICE AND SOUND PROCESSING METHOD

A sound processing device performs obtaining a first frequency spectrum that corresponds to a first sound signal and a second frequency spectrum that corresponds to a second sound signal, calculating a level difference between a level of each of frequency components in the first frequency spectrum and a level of each of frequency components in the second frequency spectrum, calculating a spread of a distribution of the level difference during a prescribed period for each of the frequency components, and determining a gain to be multiplied to the frequency component in the first frequency spectrum and a gain to be multiplied to the frequency component in the second frequency spectrum in accordance with the spread of the distribution of the level difference. 1. A non-transitory computer-readable recording medium having stored therein a sound processing program that causes a computer to execute a sound process , the sound process comprising:obtaining a first frequency spectrum that corresponds to a first sound signal and a second frequency spectrum that corresponds to a second sound signal;calculating a level difference between a level of each of frequency components in the first frequency spectrum and a level of each of frequency components in the second frequency spectrum;calculating a spread of a distribution of the level difference during a prescribed period for each of the frequency components; anddetermining a gain to be multiplied to the frequency component in the first frequency spectrum and a gain to be multiplied to the frequency component in the second frequency spectrum in accordance with the spread of the distribution of the level difference.2. The non-transitory computer-readable recording medium according to claim 1 , wherein specifying a suppression threshold indicating a range in which the gain is multiplied in accordance with the spread of the distribution of the level difference for each of the frequency components in the first frequency spectrum; ...

Sound processing device and non-transitory computer-readable storage medium

A sound processing device includes a processor configured to generate a first frequency spectrum of a first sound signal corresponding to a first sound received at a first input device and a second frequency spectrum of a second sound signal corresponding to the first sound received at a second input device, calculate a transfer characteristic based on a first difference between an intensity of the first frequency spectrum and an intensity of the second frequency spectrum, generate a third frequency spectrum of a third sound signal transmitted from the first input device and a fourth frequency spectrum of a fourth sound signal transmitted from the second input device, specify a suppression level of an intensity of the fourth frequency spectrum based on a second difference between an intensity of the third frequency spectrum and an intensity of the fourth frequency spectrum.

Audio processing method, audio processing device, and computer readable storage medium

An audio processing method including: generating a plurality of frequency spectra by transforming a plurality of audio signals inputted to a plurality of input devices respectively, comparing an amplitude of each of frequency components of a specific frequency spectrum included in the plurality of frequency spectra with an amplitude of each of frequency components of one or a more other frequency spectra different from the specific frequency spectrum included in the plurality of frequency spectra, for each of the frequency components, extracting, from the frequency components, a frequency component in which an amplitude of the specific frequency spectrum is larger than an amplitude of the one or more other frequency spectra, and controlling an output corresponding to the plurality of audio signal inputted to each of the plurality of input devices based on a proportion of the extracted frequency component in the frequency components whose amplitudes has been compared.

Gain adjustment apparatus and gain adjustment method

A gain adjustment apparatus includes a first output device configured to output a first audio signal, a second output device configured to output a second audio signal, a memory, and a processor coupled to the memory and configured to convert the first audio signal and the second audio signal to a first frequency spectrum and a second frequency spectrum, calculate an estimated difference between the first frequency spectrum and the second frequency spectrum based on a comparison of the first frequency spectrum with the second frequency spectrum, and output a first and second adjustment spectra corresponding to the first and second frequency spectra, the first and second adjustment spectra being adjusted on the basis of the first and second frequency spectra and the estimated difference.

METHOD, INFORMATION PROCESSING APPARATUS FOR PROCESSING SPEECH, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM

A method for processing speech includes: executing a acquiring process that includes acquiring a speech signal; executing a detection process that includes detecting a first frequency spectrum from the speech signal; executing a calculation process that includes calculating a second spectrum based on an envelope of the first spectrum; executing a correction process that includes correcting the first spectrum based on comparison between a first amplitude of the first spectrum and a second amplitude of the second spectrum; executing a estimation process that includes estimating a pitch frequency of the speech signal in accordance with correlation between the corrected first frequency spectrum and periodic signals corresponding to frequencies in a certain band. 1. A method for processing speech , the method comprising:executing a acquiring process that includes acquiring a speech signal;executing a detection process that includes detecting a first frequency spectrum from the speech signal;executing a calculation process that includes calculating a second spectrum based on an envelope of the first spectrum;executing a correction process that includes correcting the first spectrum based on comparison between a first amplitude of the first spectrum and a second amplitude of the second spectrum;executing a estimation process that includes estimating a pitch frequency of the speech signal in accordance with correlation between the corrected first frequency spectrum and periodic signals corresponding to frequencies in a certain band.2. The method according to claim 1 ,wherein the calculation process is configured to calculate the second frequency spectrum by smoothing the first frequency spectrum.3. The method according to claim 1 , connect each of local maxima of the first frequency spectrum to one another, and', 'calculate the second frequency spectrum by translating the each of local maxima connected to each another in parallel., 'wherein the calculation process is ...

AUDIO PROCESSING DEVICE AND AUDIO PROCESSING METHOD

There is provided an audio processing device including a memory, and a processor coupled to the memory and the processor configured to detect a first acoustic feature amount and a second acoustic feature amount of an input audio, calculate a coefficient for the second acoustic feature amount based on a time change amount by calculating the time change amount of the first acoustic feature amount, and calculate a statistical amount for the second acoustic feature amount based on the coefficient. 1. An audio processing device comprising:a memory; anda processor coupled to the memory and the processor configured to:detect a first acoustic feature amount and a second acoustic feature amount of an input audio;calculate a coefficient for the second acoustic feature amount based on a time change amount by calculating the time change amount of the first acoustic feature amount; andcalculate a statistical amount for the second acoustic feature amount based on the coefficient.2. An audio processing method comprising:detecting a first acoustic feature amount and a second acoustic feature amount of an input audio;calculating a coefficient for the second acoustic feature amount based on a time change amount by calculating the time change amount of the first acoustic feature amount; andcalculating a statistical amount for the second acoustic feature amount based on the coefficient, by a processor.3. A computer-readable non-transitory recording medium storing a program that causes a computer to execute a procedure , the procedure comprising:detecting a first acoustic feature amount and a second acoustic feature amount of an input audio;calculating a coefficient for the second acoustic feature amount based on a time change amount by calculating the time change amount of the first acoustic feature amount; andcalculating a statistical amount for the second acoustic feature amount based on the coefficient.4. The computer-readable non-transitory recording medium according to claim 3 , ...

SPEECH EVALUATION APPARATUS AND SPEECH EVALUATION METHOD

A speech evaluation apparatus includes a memory, and a processor coupled to the memory and configured to generate a first input spectrum obtained by frequency transforming a first signal that is a signal of a first period, generate a second input spectrum obtained by frequency transforming a second signal that is the signal of a second period earlier than the first period, generate a processed spectrum obtained by transforming frequency of the second input spectrum based on a change ratio set in advance, calculate a correlation value between the first input spectrum and the processed spectrum, and determine a change amount of pitch frequency from the first signal to the second signal based on the change ratio and the correlation value. 1. A speech evaluation apparatus comprising:a memory; anda processor coupled to the memory and configured to:generate a first input spectrum obtained by frequency transforming a first signal that is a signal of a first period,generate a second input spectrum obtained by frequency transforming a second signal that is the signal of a second period earlier than the first period,generate a processed spectrum obtained by transforming frequency of the second input spectrum based on a change ratio set in advance,calculate a correlation value between the first input spectrum and the processed spectrum, anddetermine a change amount of pitch frequency from the first signal to the second signal based on the change ratio and the correlation value.2. The speech evaluation apparatus according to claim 1 , whereinthe processorgenerates a plurality of processed spectra based on a plurality of the change ratios,calculates each of correlation values between the first input spectrum and the plurality of processed spectra, anddetermines the change amount based on the change ratio with which the correlation value is largest among the plurality of the change ratios.3. The speech evaluation apparatus according to claim 1 , whereinthe processor sets the ...

Speech processing method, speech processing apparatus, and non-transitory computer-readable storage medium for storing speech processing computer program

A speech processing method for estimating a pitch frequency includes: executing a conversion process that includes acquiring an input spectrum from an input signal by converting the input signal from a time domain to a frequency domain; executing a feature amount acquisition process that includes acquiring a feature amount of speech likeness for each band included in a target band based on the input spectrum; executing a selection process that includes selecting a selection band selected from the target band based on the feature amount of speech likeness for each band; and executing a detection process that includes detecting a pitch frequency based on the input spectrum and the selection band.

SPEECH PROCESSING METHOD, SPEECH PROCESSING APPARATUS, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM FOR STORING SPEECH PROCESSING COMPUTER PROGRAM

A speech processing method for estimating a pitch frequency includes: executing a conversion process that includes calculating a spectrum from a plurality of frames included in an input signal; executing a determination process that includes determining a speech-like frame from the plurality of frames based on characteristics of the spectrum of the frame; executing a learning process that includes specifying a fundamental sound based on a plurality of local maximum values included in the spectrum of the speech frame and learning a learning value based on a magnitude of the fundamental sound; and executing a detection process of detecting a pitch frequency of the frame based on the spectrum of the frame and the learning value. 1. A speech processing method for estimating a pitch frequency , the method comprising:executing a conversion process that includes calculating a spectrum from a plurality of frames included in an input signal;executing a determination process that includes determining a speech-like frame from the plurality of frames based on characteristics of the spectrum of the frame;executing a learning process that includes specifying a fundamental sound based on a plurality of local maximum values included in the spectrum of the speech frame and learning a learning value based on a magnitude of the fundamental sound; andexecuting a detection process of detecting a pitch frequency of the frame based on the spectrum of the frame and the learning value.2. The speech processing method according to claim 1 ,wherein the determination process is configured to calculate a spectrum envelope of the spectrum by smoothing the spectrum of the frame in a frequency direction and determine whether or not the frame is a speech frame based on a difference between the spectrum and the spectrum envelope.3. The speech processing method according to claim 1 , the method further comprising:executing an estimation process that includes estimating a noise spectrum based on the ...

VOICE PROCESSING METHOD, VOICE PROCESSING APPARATUS, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM FOR STORING VOICE PROCESSING COMPUTER PROGRAM

A voice processing method for estimating an impression of speech includes: executing an acquisition process that includes acquiring voice signals; executing a feature acquisition process that includes acquiring acoustic features regarding the voice signals from the voice signals; executing a voice-parameter acquisition process that includes acquiring a voice parameter regarding a frame of the voice signals; executing a relative-value determination process that includes determining a relative value between the determined voice parameter and a statistical value of the voice parameter; executing a weight assignment process that includes assigning a weight to the frame of the voice signals in accordance with the relative value; and executing a distribution determination process that includes determining a distribution of the acoustic features, based on the weight assigned to the frame of the voice signals. 1. A voice processing method for estimating an impression of speech , the method comprising:executing an acquisition process that includes acquiring voice signals;executing a feature acquisition process that includes acquiring acoustic features regarding the voice signals from the voice signals;executing a voice-parameter acquisition process that includes acquiring a voice parameter regarding a frame of the voice signals;executing a relative-value determination process that includes determining a relative value between the determined voice parameter and a statistical value of the voice parameter;executing a weight assignment process that includes assigning a weight to the frame of the voice signals in accordance with the relative value; andexecuting a distribution determination process that includes determining a distribution of the acoustic features, based on the weight assigned to the frame of the voice signals.2. The voice processing method according to claim 1 , the method further comprising:executing an evaluation process that includes outputting, based on the ...

VOICE EVALUATION METHOD, VOICE EVALUATION APPARATUS, AND RECORDING MEDIUM

A non-transitory computer-readable recording medium storing a program that causes a computer to execute a process for evaluating a voice, the process includes analyzing a voice signal to detect a pitch frequency; selecting an evaluation target region to be evaluated in the detected pitch frequency based on a distribution of a detection rate of the detected pitch frequency; and evaluating a voice based on the distribution of the detection rate and the selected evaluation target region. 1. A non-transitory computer-readable recording medium storing a program that causes a computer to execute a process for evaluating a voice , the process comprising:analyzing a voice signal to detect a pitch frequency;selecting an evaluation target region to be evaluated in the detected pitch frequency based on a distribution of a detection rate of the detected pitch frequency; andevaluating a voice based on the distribution of the detection rate and the selected evaluation target region.2. The recording medium according to claim 1 , wherein the process further comprisingcorrecting the distribution by multiplying a pitch frequency corresponding to a central portion of the distribution by a first weight and multiplying a pitch frequency corresponding to a tail portion of the distribution by a second weight smaller than the first weight,wherein, in the evaluating, impression of a voice within an utterance section is evaluated based on a spread of the corrected distribution.3. The recording medium according to claim 1 ,wherein, in the detecting the pitch frequency, any one of a pitch frequency at each time, an average pitch frequency within a predetermined period of time, an upper limit pitch frequency, and a lower limit pitch frequency is detected.4. The recording medium according to claim 1 ,wherein, in the correcting the distribution, a statistical quantity of any one of a variance, a standard deviation, a range, a sum of squares, and an interquartile range, relating to a plurality of ...

CONFUSED STATE DETERMINATION DEVICE, CONFUSED STATE DETERMINATION METHOD, AND STORAGE MEDIUM

A confused state determination device that includes: an audio receiver that receives input of call audio; a memory; and a processor that is connected to the memory and that is configured to detect a questioning utterance in a call-hold duration of the call audio, compute a frequency of the questioning utterance detected in the call-hold duration, and determine a user to be in a confused state in a case in which the computed questioning utterance frequency is a first threshold value or greater. 1. A confused state determination device comprising:an audio receiver that receives input of call audio;a memory; anda processor that is connected to the memory and that is configured to detect a questioning utterance in a call-hold duration of the call audio, compute a frequency of the questioning utterance detected in the call-hold duration, and determine a user to be in a confused state in a case in which the computed questioning utterance frequency is a first threshold value or greater.2. The confused state determination device of claim 1 , wherein the processor changes the first threshold value so as to be smaller as the call-hold duration becomes longer.3. The confused state determination device of claim 1 , wherein the processor computes the first threshold value based on a questioning utterance frequency acquired for a past call-hold duration.4. The confused state determination device of claim 1 , wherein claim 1 , in a case in which a slope of a fundamental frequency of audio at an end of an utterance duration is greater than a second threshold value claim 1 , the processor detects audio in the utterance duration as being a questioning utterance.5. The confused state determination device of claim 1 , wherein claim 1 , in a case in which a predetermined phrase is contained in at least one of a beginning or an end of an utterance duration claim 1 , the processor detects audio in the utterance duration as being a questioning utterance.6. The confused state determination ...

VOICE PROCESSING METHOD AND VOICE PROCESSING APPARATUS

A non-transitory computer-readable recording medium having stored therein a program that causes a computer to execute a procedure, the procedure includes detecting a plurality of voice sections from an input sound that includes voices of a plurality of speakers, calculating a feature amount of each of the plurality of voice sections, determining a plurality of emotions, corresponding to the plurality of voice sections respectively, of a speaker of the plurality of speakers for each of the plurality of voice sections, and clustering a plurality of feature amounts, based on a change vector from the feature amount of the voice section determined as a first emotion of the plurality of emotions of the speaker to the feature amount of the voice section determined as a second emotion of the plurality of emotions different from the first emotion. 1. A non-transitory computer-readable recording medium having stored therein a program that causes a computer to execute a procedure , the procedure comprising:detecting a plurality of voice sections from an input sound that includes voices of a plurality of speakers;calculating a feature amount of each of the plurality of voice sections;determining a plurality of emotions, corresponding to the plurality of voice sections respectively, of a speaker of the plurality of speakers; andclustering a plurality of feature amounts, based on a change vector from the feature amount of the voice section determined as a first emotion of the plurality of emotions of the speaker to the feature amount of the voice section determined as a second emotion of the plurality of emotions different from the first emotion.2. The non-transitory computer-readable recording medium according to claim 1 ,wherein the procedure, in the clustering,classifies, into a plurality of clusters, a first feature amount of the calculated feature amount of each of the plurality of voice sections determined as the first emotion,generates the change vector coupled to one of ...

NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM FOR STORING PROGRAM, INFORMATION PROCESSING METHOD, AND INFORMATION PROCESSING DEVICE

A method includes: detecting that an index value of an event has satisfied a predetermined condition; acquiring an amount of an action related to the event in a time zone corresponding to a time point when the index value has satisfied the condition based on first information that allows identifying an action performed by a target person at each of a plurality of time points; comparing the acquired amount of the action related to the event in the time zone with an amount of an action related to the event in a past time zone; and identifying a cause corresponding to a comparison result based on second information that allows identifying, for a case where a cause for the index value to satisfy the condition has not occurred, a change tendency of an amount of an action related to the event when the cause has occurred. 1. A non-transitory computer-readable storage medium for storing a program which causes a processor to perform processing , the processing comprising:detecting that an index value with respect to a predetermined event has satisfied a predetermined condition;acquiring an amount of an action related to the event in a time zone corresponding to a time point when the index value with respect to the event has satisfied the condition based on first information that allows identifying an action performed by a target person at each of a plurality of time points;comparing the acquired amount of the action related to the event in the time zone with an amount of an action related to the event in a past time zone; andidentifying a cause corresponding to a comparison result based on second information that allows identifying, with respect to a case where a cause for the index value with respect to the event to satisfy the condition has not occurred, a change tendency of an amount of an action related to the event when the cause has occurred.2. The non-transitory computer-readable storage medium according to claim 1 , whereinthe acquiring acquires an amount of each of ...

Speech evaluation apparatus and speech evaluation method

The disclosed techniques intend to accurately determine the change amount of the fundamental pitch frequency even if distortion is generated in the voice waveform. According to an aspect of the embodiments, a speech evaluation apparatus includes a memory, and a processor coupled to the memory and configured to generate a first input spectrum obtained by frequency transforming a first signal that is a signal of a first period, generate a second input spectrum obtained by frequency transforming a second signal that is the signal of a second period earlier than the first period, generate a processed spectrum obtained by transforming frequency of the second input spectrum based on a change ratio set in advance, calculate a correlation value between the first input spectrum and the processed spectrum, and determine a change amount of pitch frequency from the first signal to the second signal based on the change ratio and the correlation value.

Information processing apparatus, method and non-transitory computer-readable storage medium

An information processing apparatus includes a memory, and a processor coupled to the memory and configured to specify a first signal level of a first voice signal, specify a second signal level of a second voice signal, and execute evaluation of at least one of the first voice signal and the second voice signal based on at least one of a sum of the first signal level and the second signal level and an average of the first signal level and the second signal level.

Voice processing method, voice processing apparatus, and non-transitory computer-readable storage medium for storing voice processing computer program

A voice processing method for estimating an impression of speech includes: executing an acquisition process that includes acquiring voice signals; executing a feature acquisition process that includes acquiring acoustic features regarding the voice signals from the voice signals; executing a voice-parameter acquisition process that includes acquiring a voice parameter regarding a frame of the voice signals; executing a relative-value determination process that includes determining a relative value between the determined voice parameter and a statistical value of the voice parameter; executing a weight assignment process that includes assigning a weight to the frame of the voice signals in accordance with the relative value; and executing a distribution determination process that includes determining a distribution of the acoustic features, based on the weight assigned to the frame of the voice signals.

Method, information processing apparatus for processing speech, and non-transitory computer-readable storage medium

A method for processing speech includes: executing a acquiring process that includes acquiring a speech signal; executing a detection process that includes detecting a first frequency spectrum from the speech signal; executing a calculation process that includes calculating a second spectrum based on an envelope of the first spectrum; executing a correction process that includes correcting the first spectrum based on comparison between a first amplitude of the first spectrum and a second amplitude of the second spectrum; executing a estimation process that includes estimating a pitch frequency of the speech signal in accordance with correlation between the corrected first frequency spectrum and periodic signals corresponding to frequencies in a certain band.

粉体攪拌装置及び粒子コーティング方法

【課題】コーティングホスト粒子の容器と攪拌子の形状を工夫することで、より幅広い形状と大きさの粒子の攪拌・流動化を図り、これ迄撹拌・流動化による均一なコーティングが困難であった粒子に、効率的な表面改質が行われるようにする。 【解決手段】上部が開放された円筒状の粉体攪拌部１２を有する粉体容器１０と、前記粉体攪拌部１２に嵌まって、その底面１４を掻きとることが可能な攪拌子２０、３０、４０と、該攪拌子２０、３０、４０を駆動するための駆動部５０と、を備える。更に、前記粉体容器１０に傾きを与えることが可能な容器架台６０を備えることができる。 【選択図】図１

Audio processing method, audio processing device, and audio processing program

補完プログラム、補完方法、および補完装置

【課題】類似した２つ以上の指示物に関する指示語から適切な補完語を作成すること。【解決手段】補完装置は、音声情報から抽出された文字情報から複数の指示語について、ジャンル毎の特徴をそれぞれ抽出する。補完装置は、同一のジャンルに対応する各特徴の類似度をジャンル毎に算出する。補完装置は、音声情報、文字情報、画像情報のうち、少なくとも１つ以上の情報を基にして、ジャンル毎の注目度を算出する。補完装置は、類似度および注目度を基にして、少なくとも１つ以上のジャンルを選択する。補完装置は、選択したジャンルに対応する特徴によって指示物の名称を修飾した補完語を作成する。【選択図】図４

検出プログラム、検出方法、検出装置

【課題】特定の発話者の発話区間を検出すること。【解決手段】検出装置は、複数の発話者の音声が含まれる音声情報を取得する。検出装置は、複数の発話者のうち、第１発話者に対して予め学習した音響特徴に基づいて、音声情報に含まれる第１発話者の第１発話区間を検出する。検出装置は、第１発話区間外であって、第１発話区間から所定の時間範囲に含まれる音響特徴を基にして、複数の発話者のうち、第２発話者の第２発話区間を検出する。【選択図】図１

音声処理プログラム、音声処理方法および音声処理装置

【課題】ユーザが迷っている区間を正確に推定すること。【解決手段】音声処理装置１は、音声情報から複数の発話区間を検出する。音声処理装置１は、複数の発話区間からフィラーを検出した発話区間をフィラー区間として特定する。音声処理装置１は、フィラー区間の音声情報の特徴量を基にして、フィラー区間の音声情報が、ユーザが判断に迷っている場合に発話される音声情報であるか否かを判定する。【選択図】図３

情報処理プログラム、情報処理方法、および情報処理装置

【課題】問題が発生した原因を特定すること。【解決手段】情報処理装置は、変化パターン管理テーブル１０００において、指標値の種類に対応付けられた関連行動を特定する。情報処理装置は、対象者ごとの行動の一覧に基づいて、特定した関連行動の量を算出し、関連行動の量の一覧２５０１を取得する。情報処理装置は、平時関連行動量管理テーブルに基づいて、平時における、特定した関連行動の量を取得する。情報処理装置は、関連行動ごとに、算出した関連行動の量と、取得した関連行動の量とを比較する。情報処理装置は、例えば、平時に比べて、センター待機という関連行動の量に減少傾向があることを特定する。情報処理装置は、変化パターン管理テーブル１０００に基づいて、比較した結果に対応する原因を特定する。情報処理装置は、例えば、平時に比べて、センター待機という関連行動の量に減少傾向があるため、緊急搬送を原因として特定する。【選択図】図２５

歌唱採点システム

【課題】 カラオケ楽曲の歌唱採点を行う際に、当該カラオケ楽曲の選曲予約を行った利用者の設定に従って、実際の歌唱採点値と表示する採点値とを異ならせる。 【解決手段】 利用者の利用者ＩＤと予約楽曲の楽曲ＩＤとを紐付けして、予約楽曲管理テーブル２３ａにて管理する予約楽曲管理手段２６と、利用者毎に、歌唱採点値の調整を行うか否かを設定する歌唱採点値調整設定手段２７と、カラオケ楽曲の演奏に際し、マイクロホン１３から入力された歌唱音声信号と、所定のリファレンスデータとを比較して、歌唱採点値を算出する歌唱採点手段２８と、歌唱採点値を調整する設定が行われている利用者ＩＤと紐付けられた楽曲ＩＤを有する予約楽曲が演奏された場合に、所定の条件に従って、当該利用者ＩＤを有する利用者にとって有利な歌唱採点値となるよう調整を行う歌唱採点値調整手段２９とを備える。 【選択図】図１

音声処理プログラム、音声処理方法および音声処理装置

【課題】話者の感情が変化する場合に、複数の話者に含まれる１人の話者と、音声データに含まれる音声とを対応付けること。【解決手段】音声処理装置は、複数の話者の音声が含まれる入力音から複数の音声区間を検出する。音声処理装置は、複数の音声区間から特徴量をそれぞれ算出する。音声処理装置は、複数の音声区間に対する話者の感情をそれぞれ判定する。音声処理装置は、第１の感情と判定された音声区間の特徴量から、第１の感情とは異なる第２の感情と判定された音声区間の特徴量までの変化ベクトルを基にして、複数の特徴量をクラスタリングする。【選択図】図２

ルイボス飲料及びその製造方法

【課題】清涼感を付与し、甘香を強化した、飲用し易いルイボス抽出液含有飲料（ルイボス飲料）の提供。【解決手段】２０〜１１０ｐｐｍのアスパラチンを含有し、不発酵ルイボス抽出液と発酵ルイボス抽出液とを含有し、不発酵ルイボス抽出液の含有量が、飲料全体に対して１０〜６０重量％であることを特徴とする容器詰ルイボス飲料。アスパラチンを２０〜１１０ｐｐｍに調整することを特徴とする容器詰ルイボス飲料の製造方法。アスパラチンを２０〜１１０ｐｐｍに調整することを特徴とする容器詰ルイボス飲料の甘香を強化する方法、さらに劣化を抑制する方法。【選択図】なし