编写open_wav_file函数,这里实例化wav相关结构体,然后open打开设备文件,并通过read读取wav_riff,通过strncmp来校验wav_riff.ChunkID是否为4,通过校验后read来读取wav_fmt,再次校验wav_fmt.Subchunk1ID是否为4;最后把wav_fmt的相关信息全部printf出来;之后通过lseek移动指针到sub-chunk-data,然后while判断read读的size...
file) { fprintf(stderr, "Cannot open file for writing\n"); return 1; } // Capture audio data while (1) { snd_pcm_readi(capture_handle, buffer, frames); fwrite(buffer, 1, frames * CHANNELS * SAMPLE_SIZE / 8, file); } // Close file and PCM device fclose(file); snd_pcm_...
下面是完整的Python代码,用于读取和处理PCM文件: importmatplotlib.pyplotasplt# 打开PCM文件file=open("audio.pcm","rb")# 读取PCM数据data=file.read(1000)# 读取1000个字节的数据# 处理PCM数据# 将数据转换为整数数组pcm_data=list(data)# 绘制波形图plt.plot(pcm_data)plt.show() 1. 2. 3. 4. 5. ...
improve formatting in README.md May 26, 2020 winpmem introduce pcm namespace to avoid name collisions Jun 23, 2020 winring0 intel#1 Oct 31, 2016 .bdsignore.all intel#1 Oct 31, 2016 .cirrus.yml upgrade to freebsd-12-1 on cirrus
PCMReader+File file+AudioInputStream audioStream+int bufferSize+byte[] buffer+readPCM() : PCMDataPCMData+int sampleRate+int bitDepth+int channel+byte[] data 读取PCM文件流程 创建PCMReader对象,传入PCM文件路径。 使用AudioSystem获取AudioInputStream。
README LGPL-3.0 license ddPCM A fast domain decomposition based implementation of the COSMO solvation model COPYRIGHT (C) 2016 by Filippo Lipparini, Benjamin Stamm, Eric Cancès, Yvon Maday, Paolo Gatto, Jean-Philip Piquemal, Louis Lagardère and Benedetta Mennucci. ALL RIGHT RESERVED. This code...
格式在pcm.h文件里有定义*/ snd_pcm_format_t format=SND_PCM_FORMAT_S16...\n"); while(1) { /*从声卡设备读取一帧音频数据*/ if((err=snd_pcm_readi(capture_handle,buffer,buffer_frames))...=buffer_frames) { printf("从音频接口读取失败(%s)\n",snd_strerror(err)); exit(1); } /*...
The ID code recorded on the magnetic tape 13 is detected by a reverse ID code detection circuit 6, while the consecution of the PCM signals is being controlled by an address control circuit 2, the PCM signal is read from the memory 1 and the reproduced PCM signal is obtained at an ...
Asymmetry in read/write access latencies, which le Zhao,Yirong,Dgien,... - 《IEEE Transactions on Very Large Scale Integration Systems》 被引量: 0发表: 2015年 Numerical studies on the performance enhancement of an encapsulated thermal storage unit This paper investigates numerically the performance...
附加的选项可以在输入文件的末尾指定并用给SCRF关键词指定Read修饰词来读入。PCM溶剂化模型可以用于HF和DFT水平下的能量计算和梯度计算。 PCM计算产生的输出可以用DUMP选项显著地扩展。 下面的例子输入解释Cs对称性的乙醇的水溶剂化自由能的单电能计算(没有几何优化): #P B3LYP/6-31G(d) scf=tight int=finegrid...