When hackathon encounters full-stack engineers and hackathon encountersOn February 24, April 17, he participated in the HackAthon24 hackathon organized by Sina Weibo platform architecture. I think it's the first time I 've participated in this type of technical activity. I feel novel and passionate. In fact, I feel that the back-end engineers have little advantag
Speech Signal Processing (2) pitch estimation (pitch detection)
Zouxy09@qq.com
Http://blog.csdn.net/zouxy09
This semester I have a speech signal processing course, and I am about to take the test. So I need to know more about the relevant knowledge. Haha, I have no lectures at ordinary times, but now I have to stick to it. By the way, I would like to make my knowledge architecture clearer and share it with
I'm glad to have won the hackathon championship this time! The accuracy of our music prediction algorithm reaches RMSE = 13.24598.
The implicit feedbacks of SVD ++ did not play a major role this time. On the contrary, 86 feature columns in words are of great help and used in logistic regression. In addition, the combination of various profiles, items, and artist of users also brings good results.
The competition is described as follows:Competition go
On October 6, July 5, 2014, AVOS cloud joined forces with dynamic technology, qiniu cloud storage, ucloud, Intranet push, segmentfault, EOE developer community, 100 offer, csdn, and geek college to reach the magic capital, A two-day hackathon competition was held for developers. This activity was exclusively co-sponsored by moji.com to provide special reports on developers' ideas and products. As the guardian of mobile application security, love encry
Last weekend participated in the IBM Analytics held "Big Data Hackathon" Beijing Station competition, 4 people team to get the first place, very happy, also very difficult, we four wesor like to work together for a long time, their respective cooperation with tacit understanding, Won the final trophy. The first day from 9 o'clock to 11 o'clock more, I would like to stay up late but limited to the organizer of the venue, the next day 9 o'clock to three
"The 11th annual Baidu Hackathon Black Horse Prize project landed: Baidu Literacy--so that the browser does not have to copy the text"Video public class, online ppt is also manually input notes?The elegant sentence was p in the picture, there is no way for me all?Is there any type of text that cannot be copied on any page?Baidu Literacy plugin, Baidu browser exclusive support, convenient box select a key recognition, cut a picture can be all the text
5. Perception weighting and pitch
Mem_shift
This function is used
Combine the previously saved 120 input signals with the current 240 signal value into a 360 buffer zone Buf,
And saves the last 120 input signals to prevdata,
Take the Buf's 60th to 299 sample blocks (that is, a frame of 240) for analysis.
Wght_lpc
Construct a perceptual weighted filter
The LPC coefficient is constructed as follows:
10 10
(1-Σ A (I) * 0.9 ^ I * Z ^-1)/(1-1-Σ A (I) * 0
Three-dimensional Yaw, Pitch and roll distinction (image)Yaw pitch tilt/tilt roll rollingAssuming the z-axis positive direction is the forward direction, there is the following to explain the meaning of the three corner elements:Yaw (): heading, rotating the object around the y-axis (localrotationy)Pitch (): pitch, rot
First, basic introduction; second, basic attributesOriginal address: http://blog.csdn.net/dingkun520wy/article/details/50826033First, the basic introductionAudioto: Changes the volume and pitch of the sound to the specified value.Audiofrom: Changes the volume and pitch of the sound from the given value to the original value;Audioupdate: Similar to Audioto, called in the Update () method or in a looping envi
proe5.0 how to draw a variable pitch spring drawing technique?
1, a new ProE model file, into the parametric model design, in the Insert menu download, to find the spiral scan;
2, the use of spiral scan-protrusion, the pop-up instruction drawing interface is as follows:
3, select the drawing plane, you can choose front and left;
4, according to the software operation prompts, into the sketch interface, draw a
Last pitch!There should be problems with the algorithm, can not use addition to operate, this will lead to overflow, but changed a bit, found that there is no need to use the queue, everything is very orderly and natural, the modified code:Class Solution{PublicListNode *addtwonumbers (ListNode *l1, ListNode *l2){Long A=listtolong (L1);Long B=listtolong (L2);Long sum=a+b;return longtolist (sum);}Long Listtolong (listnode* t1){unsigned long sum = 0;unsi
Many of the students with virtual machine in the/ tmp directory when the decompression, will find that the previous mount of this directory space is insufficient, resulting in the next step can not be carried out (I encountered this problem in Vmwaretools decompression) ...In fact,/TMP is space-loaded without having to re-erect the virtual machine!The MOUNT-A command mounts all the file systems specified in the/etc/fstab file, and we can open this file to see what you're loading.## /etc/fstab# C
Always wanted to study the recording. There's a project that has a chance to use the powerful Naudio (Https://github.com/naudio/NAudio) LibraryRecordingNaudio Recording Class Librarypublic class Naudiorecorder {public WaveIn wavesource = null; Public Wavefilewriter wavefile = null; private string fileName = String. Empty; Voice ChangerThe voice changer used to be SoundTouch.dll.SoundTouch Wrapperpublic class SoundTouch {private INTPTR handle; Public SoundTouch () {handle = S
Fever pitch is crazy and excited
We worked at fever pitch.We are doing our best.That's only an economy at fever pitch.It's just a overheated economy.
The world of investors banking has long exerted a fascination for academics, management consultants, and financial analysts as well as practitioners. Today the fascination has reachedFever pitchAs the business, having grown globally at a phenomenal rate in the 1990 s of perhaps three times GDP in key
off the tee." “
experimental results show that :The results of the scans showed that the area of the motor cortex in which the body was controlled in the brain was activated.Too much language will kill your story.
"When it comes to storytelling, do not use the clichés that have been overused," he said. In fact, you should remove them from the market life cycle in which your product is located. “
While studying the subject of storytelling, scientists have also discovered the f
The pitch of the copper layer in DXP is modified without affecting the wiring of each layer.
In the clearance of rule, create a new rules Clearance1 (name can be customized),
Then, in the Where, select Advanced (Query) in the "matches" box,
Click Query Builder, and then the Building Query from board dialog box appears,
In the first row of this dialog box, select Show all levels (default for this item).
Then select Object Kind is in the Drop-down menu
relative to their parent objects. The first son object is relative to the parent object, and the second son object is relative to the first son object, so the second son object does not have a problem after it is set. In addition, in some special layouts, it may be necessary to combine display:block and display:inline to achieve the desired results.2. SolutionSet in the first son object divdisplay: inlineSummary: This phenomenon only appears in the block element, and the inline element does not
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