audio-analysis

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File decompression memory footprint

I want to process audio offline on iOS, but have a query regarding memory usage. If I use AVAssetRe开发者_如何学Cader to decompress an MP3 to raw PCM data, the memory footprint would be huge. So how w[详细]

2023-04-08 02:09 分类：问答
Audio Analysis for Sheet Music

I\'m currently working on a program that analyses a wav file of a solo musician playing an instrument and detects the notes within it.To do this it performs an FFT and then looks at the data produced.[详细]

2023-03-09 04:38 分类：问答
Volume from byte array

I\'m new to audio analysis, but need to perform a (seemingly) simple task. I have a byte array containing a 16 bit recording (single channel) and a sample rate of 44100. How do I perform a quick analy[详细]

2023-01-28 07:31 分类：问答
Rapid spectral analysis of audio file using Python 2.6?

What I want to do is to have a subroutine that analyses every 200 milliseconds of a sound file which it is given and spits out the frequency intensity value (from 0 to 1 as a float) of a specific freq[详细]

2023-01-03 02:49 分类：问答
Verizon SongID - How is it programmed?

For anyone not familiar with Verizon\'s SongID program, it is a free application downloadable through Verizon\'s VCast network.It listens to a song for 10 seconds at any point during the song and then[详细]

2022-12-31 11:49 分类：问答
ASP.NET: What is the connection between forms authentication and membership?

As I understand it \"forms\" is just a method to authenticate users. Is this correct? But what \"membership\" really is I don\'t know. I\'ve written a custom membership provider but I still don\'t re[详细]

2022-12-27 14:34 分类：问答
《Lovefool》MP3歌词-The Cardigans？

Lovef开发者_Go百科ool The Cardigans 专辑：Best Of 语种：英语本歌词于吾爱知道 Dear I fear we\'re facing a problem[详细]

2022-12-27 07:20 分类：问答
Apple Pay阵营再增数十家合作伙伴？

据外媒报道，支持苹果新移动支付服务ApplePay的公司名单不断扩大。苹果今天宣布，最近几周，ApplePay增加了数十家合作银行，包括银行、零售店和初创公司。通过这项服务，消费者只需在购物时挥动iPhone即可完成支付。[详细]

2022-12-22 07:37 分类：问答
How to generate a good random seed to pass to srand()?

I am writing a C++ program which needs to create a temporary file for its internal usage. I would like to allow concurrent executions of the program by running multiple processes, so the temporary fil[详细]

2022-12-18 16:02 分类：问答