pcm
Converting 8bit unsigned PCM into 8bit signed PCM
How can I convert an unsigned 8bit PCM stream (0-255) into a signed 8bit PCM stream (-128-127). Is it as simple as subtracting 128 from ever开发者_如何学Goy unsigned byte so that 0 becomes -128 and 25[详细]
2023-03-20 22:47 分类:问答Implementing AMR encoder
I have 8k 16bit PCM and I want to implement algorithm for converting it to AMR. How should I proceed?[详细]
2023-03-20 07:41 分类:问答C# PCM data audio player for Silverlight 5
Is th开发者_JAVA技巧ere a way in SilverLight 5 to play PCM data?This could be obtained from a stream from a web Server or obtained by reading a WAV file.[详细]
2023-03-18 12:09 分类:问答iPhone Audio Queue sample rate question
I am in the process of making a piece of pitch correction software for the iPhone. I am currently at the fun Audio Queue part and I have a few questions about changing the pitch. My current idea to in[详细]
2023-03-14 16:37 分类:问答How to find audio power (db) in pcm stream (c#)
I have a pcm 16 bit stream and I need to know when the audio pass a specific power开发者_开发技巧.[详细]
2023-03-12 13:18 分类:问答Converting raw pcm to speex?
For latency issues, I would like to send speex encoded audio frame data to a server instead of the raw PCM like I\'m sending right now.[详细]
2023-03-11 07:29 分类:问答Android API for analyzing PCM data?
Is there an Android-native API which would help me analyzing raw PCM data? (Just basic thing开发者_C百科s: frequency, volume of a data piece.)[详细]
2023-03-10 16:06 分类:问答Play generated PCM data in real time
I\'mdeveloping a digital audio synthesizer on a dsPIC. To begin with Im writing and testing the algorithms in matlab.[详细]
2023-03-04 16:54 分类:问答playing pcm data on iphone
i need to play linear pcm data live on a iphone. i get a LIVE datastream via RTSP, and i can currently read it out from iphone, save it into a file, play it on a desktop audioplayer that supports pcm[详细]
2023-03-02 23:56 分类:问答Get iPhone mp3 frequency from AvassetReader and vDSP_FFT
I\'m trying to get frequency from iPhone / iPod music library for a spectrum app on iPod library, helping myself with reading-audio-samples-via-avassetreader to get audio samples and then with using-t[详细]
2023-03-02 10:45 分类:问答