cache_results by Dan Ellis

CACHE_RESULTS - caching function results to disk with transparent tracking of arguments (disk, cache, utility)

cache_results(cmd, args, cachename, cachedir, VERBOSE)

audioread - unified audio file input function by Dan Ellis

audioread provides a single, unified function for reading audio files in wav, mp3, aac, flac... (mp4, aac, data import)

audioread(FN, TARGETSR, FORCEMONO, START, DUR)

audiowrite(D,SR,FN)

flacread(FILE,N,MONO,DOWNSAMP,DELAY)

m4aread - read MPEG4 (AAC or M4A) compressed audio files by Dan Ellis

m4aread reads m4a or aac compressed audio files just like wavread reads uncompressed audio files (mp4, mpeg, data import)

m4aread(FILE,N,MONO,DOWNSAMP,DELAY)

wavread_downsamp(F,N,M,DS)

demo_m4aread.m

m4awrite - write m4a format audio file by Dan Ellis

m4awrite writes an m4a (MPEG4 audio) format file using an external faac binary (audio, mpeg4, data export)

m4awrite(D,SR,NBITS,FILE,OPTIONS)

flacwrite - write out a FLAC-encoded audio file using flac by Dan Ellis

flacwrite writes FLAC-encoded audio files by piping data to the external flac binary (audio, lossless, flac)

flacwrite(D,SR,NBITS,FILE,OPTIONS)

Time-domain scrambling of audio signals by Dan Ellis

Scramble audio signals by shuffling short-time windows (signal processing, audio, speech)

ERBFilterBank(x, fcoefs)

ERBSpace(lowFreq, highFreq, N)

fcoefs=MakeERBFilters(fs,numChannels,lowFreq,width)

Time-frequency Automatic Gain Control (AGC) by Dan Ellis

Automatic Gain Control (AGC) attempts to maintain a constant energy level for an audio signal. (sound, audio, automatic gain contro...)

fft2melmx(nfft, sr, nfilts, width, minfrq, maxfrq, htkmel, ...

istft(d, ftsize, w, h)

stft(x, f, w, h, sr)

urlreadpost - url POST method with binary file uploading by Dan Ellis

A replacement for urlread(url,'post',...) that allows POST to upload binary (file) data. (http, binary, post)

urlreadpost(urlChar,params)

urlreadwrite(fcn,urlChar)