Top "Pcm" questions

PCM to AAC conversion using mediacodec

I am using a media codec class in Android (Jelly Bean) to encode PCM format to AAC. The file was …

android pcm aac

How is audio data stored in raw pcm format？

I am writing an app to manipulate audio where i need to convert a file (wav, MP3, etc) to raw …

ffmpeg pcm audioformat

java pcm to wav

I have a pcm file, and I want to convert it to a wav file. Is there any suitable api …

java wav pcm

How to change the volume of a PCM data stream (failed experiment)

Solved My code was never before used for processing signed values and as such bytes -> short conversion was …

audio pcm

Android AudioRecord and AudioTrack codec options?

I currently use the AudioTrack and AudioRecord classes in Android. I use the pure PCM data but I was wondering …

android audio pcm codec amr

Downsample PCM audio from 44100 to 8000

I've been working on a audio-recognize demo for some time, and the api needs me to pass an .wav file …

javascript audio pcm downsampling

Create valid wav file header for streams in memory

I have raw-headerless wav audio data as MemoryStreams. Stream rawAudioStream = Producer.GetRawAudioFileStream(...); I know those streams data format: // WaveFormat(int …

c# audio wav pcm

How can I get frequency data from PCM using FFT

I have an array of audio data I am passing to a reader: recorder.read(audioData,0,bufferSize); The instantiation is …

java android fft pcm

Correct way to Convert 16bit PCM Wave data to float

I have a wave file in 16bit PCM form. I've got the raw data in a byte[] and a method …

java android pcm audio-processing

iPhone - how to measure amplitude of a PCM coded signal

here's my problem at hand: I need to analyze audio data in realtime to find out the amplitude of the …

iphone audio pcm