Glossary Of Audio Terms

A

• AAC
• ABR
• ABX/ABX testing
• AC3
• Aliasing
• AltPresets
• Ambisonics
• Amplitude
• APE (Monkey's Audio)
• APE Tags
• Artifact/Distortion
• ATH (Absolute Threshold of Hearing)
• ASPI (CD-ROM Installation)

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B

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

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C

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

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D

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

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F

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

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H

• Harmonics
• Highpass
• Huffman coding

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I

• ID3
• IIR filter (Infinite Impulse Response Filters)
• Impulse
• Intensity stereo
• Inverse mix

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J

• Joint stereo

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L

• LFE (Low Frequency Extension)
• LPAC
• Long block
• Lossless
• Lossy
• Lowpass
• LTQ (Level of Threshold in Quiet)

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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)
• MPEG-4
• Multichannel

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N

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

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O

• Ogg
• Ogg Vorbis
• OptimFROG

P

• Parametric stereo/PS
• PCM
• Point stereo
• Pre echo/Post echo
• Psychoacoustic
• Psychoacoustic model
• Pre-masking/Post-masking

Q

• Quantize/Quantizer/Quantization
• Quantization noise

R

• Range coding
• Rice coding
• Ringing

S

• Sampling rate/Sample rate/Sampling frequency
• SBR (Spectral Band Replication)
• Scale factor/Scale factor band
• Short block
• Shorten (SHN)
• Sigma Delta Modulation
• SNR (Signal-to-Noise Ratio)
• Spectrogram
• Streaming
• Subband
• SZIP

T

• TTA True Tap Audio
• Temporal accuracy
• Temporal smearing
• Time domain
• Tonality/Tonal signals/Tonality estimation
• Transcoding
• Transform
• Transient
• Transient smearing
• Transparency
• Tremor

V

• VBR (Variable Bitrate/Variable Bitrate Coding)
• Vector quantization

W

• WAV
• Wavelets
• WavPack
• Window function
• WMA