Glossary Of Audio Terms

A

• AAC
• ABR
• ABX/ABX testing
• AC3
• Aliasing
• AltPresets
• Amplitude and Frequency
• APE (extension for Monkey's Audio)
• Artifact/Distortion
• ATH (absolute threshold of hearing)/LTQ (level of threshold in quiet)

B

• Bandpass filter
• Bandstop filter/Band reject
• Bandwidth
• Bark
• Bit reservoir
• Bitrate
• Blind test
• Block switching

C

• CBR/Constant bitrate/Constant bitrate coding
• Channel coupling
• Clipping
• Codec
• Container format
• Critical band

D

• dB/Decibel
• DC coefficient
• DCT
• DCT coefficient
• DRM / Digital Radio Mondiale
• DRM / Digital Rights Management
• DSP
• DTS

F

• FFT
• Filterbank
• FIR filter (Finite Impulse Response Filters)
• FLAC
• Frequency and Amplitude
• Frequency domain

H

• Harmonics
• Highpass Filter
• Huffman coding

I

• IIR filter (Infinite Impulse Response Filters)
• Impulse
• Intensity stereo
• Inverse mix

J

• Joint stereo

L

• LFE - Low Frequency Extension
• LPAC
• Long block
• Lossless
• Lossy
• Lowpass Filter
• LTQ (level of threshold in quiet)

M

• Masking
• MDCT
• Metadata
• Mid-side stereo
• Monkey's Audio
• MP3 (MPEG 1 audio layer 3)
• MP3Pro
• MPC/MP+/Musepack/Mpeg Plus
• Mpeg/Motion Picture Expert Group
• Multichannel

N

• Neural network
• Noise shaping
• Noise like signals
• Notch filter
• Nyquist rate/Nyquist frequency/Nyquist sampling theorem

O

• Ogg
• Ogg Vorbis
• OptimFROG

P

• PCM
• Pre echo/Post echo
• Psychoacoustic
• Psychoacoustic model

Q

• Quantize/Quantizer/Quantization
• Quantization noise

R

• Range coding
• Ringing (traditional sense)

S

• Sampling rate/Sample rate/Sampling frequency
• SBR (Spectral Band Replication)
• Scale factor/Scale factor band
• Short block
• Shorten (SHN)
• Spectrogram
• Streaming
• Subband
• SZIP

T

• Temporal accuracy
• Temporal smearing
• Time domain
• Tonality/Tonal signals/Tonality estimation
• Transform
• Transient
• Transient smearing
• Transparency

V

• VBR (variable bitrate/variable bitrate coding)

W

• WAV
• Wavelet
• WMA