經濟部中央梂準局貝工消费合作社印製 309611 Α7 Β7 五、發明说明（ d本發明係為一種數位訊號之理方法•尤指一 種改變薄統頻率之方式以達到音調昇 降之型罗I為一翟為在不改變輸入及輸出取樣慢垄下Μ 獲劈|調變化效_果·者•此舉•由於及輸Ug樣頻率完 全祖^下，當有直接適用於任何里JII訊號路徑上之簡便性 •且較傳統方式成本低廉、結構豎為單純與提供較為檐定 的訊號品霣者》 .--- 按現今數放音之技術上*概為透過相同的 音取樣頻率及放音率4 · 1 Κ Η z )對類比轚 音訊號進行取樣餹存與透遇LM·取樣頻率進行讀取與播放， 而獼致~ I音“再生的效果•然轚琶1理及編輯運用已達 一 .·_ 1 '"* ......... 相當霣泛的今天•改變轚音播放的音調或進油翻為不 — _一- 1»· Ι·..ι« ，，r-T" 可或缺的必備功能，而對已透過固定取樣頻率而將轚音簏 存於c PRO Μ或D Λ_」ϋ上之數位資料*欲進行氣出奪調 變(改變音調）時，最為ϋ且直接式即為改簠放 的然而將再生的取樣頻率設為不_囿於錄宣JRJI 頻率毛下•不僅造成規藥產.生_器之敗造裏為複雜之外，且 該等設為不同取樣頻率之型態下•更對於及0混合 型JUS而論•更造成類比迴路之訊矂比（S_/N )惡的 不良現象•尤其是在錄音取樣頻率與放音取樣頻率之比値 非屬正轚教或該正整鞺之物數、·尤造成硬«結構更為複 雜^ (必須設霤多組頻率產生器之故）·此外•上述改變再 生（放音）取樣頻率之設計，充其置僅能適用於直接輸出 -3- 本紙張尺度適用中困國家標芈（CNS ) Λ4规格（210X29?公釐） (請先閱讀背面之注意事項再填寫本頁) 装_ 訂 經濟部中央標準局貝工消费合作社印製 A7 B7 五、發明说明（V) 類比訊號之場合使闬（例如連接音頻擴大器或彊音放大霉 路）•而欲運用做為數位處理系@之中閫處理装置時•則 由於其再生取搛頻率(輸出頻率）不之故·無法直j與 原有數位處理系統卯E •故針對上述問題·當有尋求其他 - .mu » ι___· __ 解決方必要。 本發明人鑑於薄統音調昇降處理方式之駿|乃經悉心 地試驗與研究並一本鍥而不捨之發明精神•終發明出一種 數位訊號之昇降音處理方法此處理方法不僅具有 1IJM果外·最主要為可使輸入及輸出的相同 數@·使其可直接運用於數位^涯系統上而進(位訊 號之音邇，化處理•更可解決傳統為令錄音、再生取樣頻 _ 嘱"·11*1"11 **«*—1 1 率設為不同數値所衍生之硬黼結構複雜度增加、訊噪比惡 -- — … — - 化等問題•且有降低記慊鱅容置之優點。 ·—..... .r- Γ,,π-· 亦即*本發明之笔靈且进在於提供一種數位訊號之昇 降音處理方法·為運用内插（interpolation)處理、串列辱 存於記Μ中、串歹jj讓取轉換以及除頻取樣（decimation) 等方式·而達到相^[於改變音調的效果，此舉· ϋ主要的 優乾為可使輸入及輸出頻率設為(福同鸯，而僅霈使用單一 - - ...... 、.、----.〆 ---- 系統時脈產生器而暹到簡化硬體結構之優點*更由於其間 均處於數位式處JI ·僅需以數位電路實施·與傳統數位及 類比混合型電路相較•有著成卒低廉、品質穩定之功效）。 ,...—— | ___ 本發明之次一目'的在於提供一種數位訊號之昇降音處 理方法·其中該内插虛擬訊號（interpolation)及除頻取樣 本紙張尺度適闲中國阁家梯準（CNS ) Λ4規格（210 X 2()7公嫠> II,'--- — γ 装-------订 Jilt---1.. (请先閱讀背面之注意^項存填寫本頁) 309611 at B7 五、發明说明（、）Printed 309611 Α7 Β7 by the Beigong Consumer Cooperative of the Central Bureau of Economic Affairs of the Ministry of Economic Affairs 5. Description of the invention (d The present invention is a method of digital signal management. Especially refers to a method of changing the frequency of the thin system to achieve the tone up and down. Yi Zhaiwei obtains splitting under the slow ridge without changing the input and output sampling | modulation effect_Guo · Zhe · Movement • Because of the complete frequency of the input Ug sample frequency, it is directly applicable to any JII signal path The simplicity of the method and the lower cost than the traditional method, the structure is simple and provides a more fixed signal quality ". --- According to the current digital playback technology * is generally through the same sound sampling frequency and playback Rate 4 · 1 Κ Η z) The analog audio signal is sampled and stored, and the LM · sampling frequency is read and played, and the sound ~ I sound "the effect of reproduction达 一. · _ 1 '" * ......... Quite popular today • Change the pitch of the audio playback or turn the oil into no — _ 一 -1 1 »· Ι · .ιι« ,, r-T " is an indispensable essential function, and for the fixed sampling frequency, it has been stored in c PRO Or D Λ_ ”digital data on ϋ * When you want to make a tune-out modulation (change the pitch), the most ϋ and the direct type is to change the playback, but set the regeneration sampling frequency to no _ 囿于 录 宣 JRJI frequency Mao Xia • Not only causes the regulation of medicine production. The failure of the bio-device is complicated, and these are set to different sampling frequencies. • More about the 0-mixed JUS • More about the analog circuit. Bad ratio (S_ / N) is a bad phenomenon. Especially in the ratio of the recording sampling frequency to the playback sampling frequency. The value is not the correct teaching or the number of the correcting parts. Especially hard. «The structure is more complicated ^ (The reason why multiple frequency generators must be installed) · In addition • The above design for changing the sampling frequency of reproduction (playback) can only be applied to direct output -3- This paper standard is applicable to the national standard of the troubled (CNS ) Λ4 specification (210X29? Mm) (Please read the precautions on the back before filling in this page) _ _ Order A7 B7 printed by the Beigong Consumer Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs. 5. Description of invention (V) In case of analog signals Lu (such as connecting an audio amplifier or a strong sound to amplify the mold) When used as a digital processing system @ 中 阃 processing device • Due to the fact that its regenerative frequency (output frequency) is not available • It cannot be directly connected with the original digital processing system 90 • Therefore, for the above problems • When you have to seek other -.mu »ι ___ · __ The solution is necessary. In view of the prosperity of the thin system tone up and down processing method | the inventor has carefully tested and studied and has a persistent spirit of invention. Finally, he has invented a digital signal lifting and lowering sound processing method. This processing method not only has 1IJM extra fruit In order to make the same number of input and output @ · so that it can be directly applied to the digital ^ Ya system (the sound of the bit signal, processing) can also be solved traditionally for recording, reproduction sampling frequency _ 華 " · 11 * 1 " 11 ** «* — 1 1 The rate is set to different numbers. The complexity of the hard truss structure is increased, and the signal-to-noise ratio is bad--...--and other problems • and there is a reduction in storage capacity The advantages of ············· r- Γ ,, π- · that is * the pen of the present invention is to provide a method for processing the up-and-down sound of digital signals. For the use of interpolation processing, serial The humiliation is stored in the memory, the serial conversion and the frequency division sampling (decimation) and other methods to achieve the phase ^ [in the effect of changing the tone, this action · ϋ The main advantage is to make the input and output frequency Set to (Fu Tongyang, and only a single use--.........,., ----. 〆- --- System clock generator and Siam's advantages to simplify the hardware structure * Because they are all in the digital type JI · Only need to be implemented in digital circuits · Compared with traditional digital and analog hybrid circuits · Has a low cost of creation , The effect of stable quality)., ...—— | ___ The second objective of the present invention is to provide a digital signal lifting and lowering sound processing method, in which the interpolated virtual signal (interpolation) and frequency-division sampling paper size Leisure China Pavilion Ladder Standard (CNS) Λ4 specification (210 X 2 () 7 Gongmai> II, '--- — γ loading ------- order Jilt --- 1 .. (please read first Note on the back ^ Item save fill this page) 309611 at B7 V. Description of invention (,)
(decimation)的辑率比値·即為欲改變音調之輸入/JSJtL 取樣頻率之比値，且胲内插虛擬訊號及除之倍婆 / 一· "— 値若較方時•亦可將胲等笔_麗_分割成多.?复遵J?地以上連力 式處理|更可達到降低運算置與降低記慊容置之效果° 'Nw --------- 為使責霤査委興能進一步瞭解本發明之方法•特徽 及其他S的·玆附以圓式詳細說明如后： (一） *圓式部份： 第一驪：係本發明之數位_纽號處理方塊·。 (二） ·圔號部_份: (ίο)内插處理 (2〇) iwajg (30)記慊鱅 （40)解碼器 (50)除頻取樣 本發明為提供一種於不改鼴輸入/輸ttl頻率下即 到改調高低之效果者，而其處理方式上，概為1 第一 示•現假設輸入頻率（f S in〉與輸出（f^s out )之比値為(Μ、Ν是不為零的正整數〉*其動作 方式即區分為如下四個步驟： 經濟部中央橾準局月工消費合作社印製 (錆先閱讀背面之注意事項再填寫本頁) ⑴.將輸入訊號進行内插處理:首先將由矚面左側送 入的頻率（f s>透過内插處理（1 0〉，亦即為令―輸入 、丨丨" — 頻率（U )進行插入虚擬訊號於其間，使得 訊號的每搛點增加為取樣點•故而經此〃 "處理後的訊號即為MX f s數値。 ⑵.CVS D編碼轉換：將前述已透過内_插應理後的 -5- 本紙張尺度適用中®國家標準（CNS ) Λ4规格（210X297公釐） 五 鍾濟部中央樣準局員工消費合作社印製 A7 B7 、發明説明（¥)The ratio of (decimation) is the ratio of the input / JSJtL sampling frequency whose tone is to be changed, and the virtual signal is interpolated and divided by the dou / i. " — When the value is relatively square, you can also change胲 等 笔 _ 丽 _ Divided into multiple.? Comply with J? Above-ground force processing | can also achieve the effect of lowering the calculation setting and lowering the storage capacity ° 'Nw --------- Responsible for investigating the committee to further understand the method of the present invention • The special emblem and other S's are attached with a circular type as detailed below: (1) * Circular type part: The first liter: is the number of the invention _ button Processing blocks. (二) · 圔 号 部 _Parts: (ίο) Interpolation processing (2〇) iwajg (30) Recording device (40) Decoder (50) Frequency-dividing sampling The present invention is to provide an input / output that does not change At ttl frequency, the effect of changing the height is adjusted, and the processing method is 1 first. It is assumed that the ratio of the input frequency (f S in> to the output (f ^ s out) is (Μ, Ν It is a non-zero positive integer> * The action method is divided into the following four steps: Printed by the Central Industry and Commerce Bureau of the Ministry of Economic Affairs, printed by Yuegong Consumer Cooperative (read the precautions on the back before filling out this page) ⑴. Input the signal Interpolation processing: First, the frequency (f s > sent from the left side of the attention) through the interpolation processing (1 0>, that is, the order-input, 丨 丨 " — frequency (U) inserts a virtual signal in between, Each signal point of the signal is increased to a sampling point. Therefore, the signal processed by this " is the MX fs number value. ⑵. CVS D code conversion: The above-mentioned -5- copies after being processed through inter-interpolation The paper standard is applicable to the China® National Standard (CNS) Λ4 specification (210X297mm) Wuzhong Jibu Central Prototype Bureau employee consumption cooperation Printed by the company A7 B7, description of invention (¥)
訊號進行 CVSD 編碥器（20) (CONTIUNE VARIABLE SLOPE ^^(^丨丨、1'10们縳換為一位15垣擬的串測8粑型屬 (BIT STRING)及依序儲存於記慊黼(-3-0 )中。 ⑶.讕取記懦艚及CVS D解碼轉換：由記鼠Jt ( 3 〇 )中以依序取出霣料，並經。V—gj解碼器( 4 0)縳換成列輸出β ⑷·除頻取搛：將解、碼轉換後的輸JiLffl號進行除N ( + N)的取樣步罄，亦即為由IUBJ1的輸出訊號僅取一點 輸出，而由第一_輸出端位麵所取得的輸出頻！即為相同 於原輸入訊號之頻率（f S )。 以上述四個處理步驟處理後·主要為將輸入訊號進行 说雇方^式插入虚擓訊號•然後冉於輸出位鼸以除N_J5J方式 進行除頻處理•而透過該乘及之處理，則產生如前 述音調變化效果·故此方式不僅可獲得相同的昇 、丨丨_秦 ........ 〜"〜 的作用外·由於其可令輸入頻率及翰出頻率在保持 不變的特g •當可解決簿統處理方式所衍生之各項問題。 __ ，一 對於前述1、N兩·數値呈不等的禰況下，以M@_對輸 入取樣頻率iJI賭存於記嫌霞中，再以N倍取搛頻率方五 讓取與頻之下•胲記慊體（3 0 )即有被取盡的慵 況•故而需不ILMJi料存入記JBUe_£P以因應之•此外* 為免除胲·Μ·^ 而導致運JQI及過昆1祖記懦 空間之問題，則可在前述ϋ、Ν數傾為較大的TF箱餹睹· 則可將孩、Nj割成份予以分次處理，亦即Ms -6 - 本紙張尺度適用中國國家橾準（CNS ) Λ4规格（2丨〇X 297公釐） mnii ---叫裝-- (請先閱讀背面之注意事項再填寫本頁) 訂 *09611 A7 B7 M濟部中央揉準局只工消費合作社印製 五、發明説明（<) M i +仏…+J K、N = N i + ^…+ Μ者·而作業 方式上•第一次為進行/IL·比値之處理，第二次為The signal is processed by CVSD (20) (CONTIUNE VARIABLE SLOPE ^^ (^ 丨 丨, 1'10 are replaced with a 15-bit BIT STRING) and stored in the record in sequence In 黼 (-3-0). ⑶. Decoding and conversion of Chong Dian and CVS D: from the mouse Jt (3 〇) in order to remove the encyclopedia, and through the V-gj decoder (40) Replace with column output β ⑷ · Frequency division: Take the output of the JiLffl number after solution and code conversion to divide by N (+ N), which means that the output signal of IUBJ1 takes only a little output, and the 1. The output frequency obtained by the output plane! It is the same frequency as the original input signal (f S). After the above four processing steps are processed, it is mainly to insert the input signal into the virtual signal. • Then the Ran Yu output bit mule is divided by N_J5J to divide the frequency. • Through this multiplication and processing, the tone change effect as described above is produced. Therefore, this method not only can obtain the same liter, Qin ..... ... ~ " ~ outside the function · Because it can make the input frequency and the output frequency remain the same g • When it can be solved by the book processing method derived Various problems. __, under the condition that the aforementioned 1, N, and 2. numbers are unequal, the input sampling frequency of M @ _ is bet in the Ji Xia, and then the frequency is taken N times. Under the frequency of take-out and take-off • The corpuscular body (30) has been exhausted. Therefore, it is necessary to save the ILMJi material into the JBUe_ £ P to cope with it. In addition * In order to avoid the problem of MU · ^ The problem of transporting JQI and Guo Kun's ancestors' coward space can be seen in the TF box with the larger ϋ and Ν numbers mentioned above. Then, the cut components of children and Nj can be processed in stages, that is, Ms -6- The paper size is applicable to China National Standard (CNS) Λ4 specification (2 丨 〇X 297mm) mnii --- ordering-(please read the precautions on the back before filling in this page) Order * 09611 A7 B7 M Printed by the Ministry of Central Bureau of Standards and Commodities only at the Consumer Cooperative. V. Description of invention (<) M i + 仏… + JK, N = N i + ^… + Μ ·· The way of operation • The first time is to carry out / IL · Compared with the treatment, the second time is
«III 進行M2 / N_Z 之處理，以此類推，而前述分割後的 個別數値愈接近M/ 比値或E/已.的比値愈佳，若以 M/N之比値為1 2 7 / 1 2 8為例•則可分成U /j 2、32/32、32/32、31/32 等□猶分割段 進行分次處理•而其結果亦為符合上述效果•而此等分割 .—_- ______ — 成多次予以依次處理之下·由於每次進行乘、除$與存2 記懦艚之資料置降低之故•相形之下•即有降低運算複雜 度與降低記懦空聞之效果» 故以前述說明可知·本發明可保持輸入頻率與轉_达_頻 率j目等狀態之音ϋ改變的處理方法 > 此方法不僅可解決傳 統令輸入/輸出頻率不同所衍生之硬«結構複雜度高、訊 噪比惡化之i題，更由於本案之艙入及_出時序為呈滴~纸 之情況下·可直接邏用做為數位處理系Μ上之中間處1裝 匾，且於整個方法中更為全數位化方式進行•亦 統混合有數位及類比電1之處理裝arii好的動作g定性 _—— 、更低的成本與易於設計等優點•確為一符合新顆性及產 業利用性之訊號處理方法•應符專利申講要件•爰依法提 出申謫》 -7- 本紙張尺度適用中國國家標率（CNS ) Λ4規格（2Ι〇Χ 297公釐） (請先閲讀背面之注意事項再填寫本頁) 裝. 訂«III performs M2 / N_Z processing, and so on, and the closer the individual number value after division is to M / ratio value or E / already. The better the ratio value, if the M / N ratio value is 1 2 7 / 1 2 8 as an example, then it can be divided into U / j 2, 32/32, 32/32, 31/32, etc.-still divided into segments for fractional processing • and the result is also in line with the above effects • and these divisions. —_- ______ — It will be processed sequentially in multiple times. Because of multiplying, dividing $, and storing 2 records of cowards each time, it is lowered. In contrast, it reduces the computational complexity and reduces the cowards. The effect of the smell »Therefore, it can be known from the foregoing description that the present invention can maintain the processing method of changing the input frequency and the frequency of the _da_frequency j mesh, etc. ϋ; this method can not only solve the traditional derivative of the input / output frequency is different The problem of "hard structure is high in complexity and the signal-to-noise ratio is degraded" is also due to the case where the entry and exit timing of this case is in the form of drops ~ paper. It can be directly used as a digital processing system. Plaque, and it is more digitalized in the entire method • It also mixes digital and analogue 1 processing equipment with good motion g Qualitative _——, lower cost and easy design and other advantages • It is indeed a signal processing method that conforms to the new size and industrial utilization • It should conform to the requirements for patent application • You should apply for the law according to law "-7- This paper The standard is applicable to China National Standard Rate (CNS) Λ4 specification (2Ι〇Χ 297mm) (please read the precautions on the back before filling this page)