English-Chinese Glossary

This document lists terms that are used in Espressif Audio Development Framework Guide and other audio related documentation. Each term is followed by its Chinese equivalents and some have definitions.

AAC

Chinese equivalent: AAC

Abbreviation for Advanced Audio Coding, an industry-standard audio compression format.

acoustic

Chinese equivalent: 声学

acoustic calibrator

Chinese equivalent: 声校准器

Also known as sound level calibrator.

acoustic echo cancellation

Chinese equivalent: 声学回声消除

Spelled-out form of AEC.

AEC

Chinese equivalent: AEC

Abbreviation for acoustic echo cancellation.

Advanced Audio Distribution Profile

Chinese equivalent: 高级音频分发框架

Spelled-out form of A2DP.

A2DP

Chinese equivalent: A2DP.

Abbreviation for Advanced Audio Distribution Profile.

A2DP sink

Chinese equivalent: A2DP sink

A2DP source

Chinese equivalent: A2DP source

AFE

Chinese equivalent: AFE

Abbreviation for audio front end. Espressif audio front-end algorithm framework is developed by Espressif AI Lab to provide high-quality and stable audio data to the host.

AirKiss

Chinese equivalent: AirKiss

AirKiss is a quick-connection technique provided by Weixin device platform for Wi-Fi devices to configure network connection.

AMR

Chinese equivalent: AMR

Abbreviation for Adaptive Multi-Rate, an audio compression format optimized for speech coding.

AMR-NB

Chinese equivalent: AMR-NB

Abbreviation for Adaptive Multi-Rate Narrowband, a narrowband speech audio coding standard developed based on Adaptive Multi-Rate encoding.

AMR-WB

Chinese equivalent: AMR-WB

Abbreviation for Adaptive Multi-Rate Wideband, a wideband speech audio coding standard developed based on Adaptive Multi-Rate encoding.

analog-to-digital converter

Chinese equivalent: 模拟数字转换器

Spelled-out form of ADC.

ADC

Chinese equivalent: ADC

Abbreviation for analog-to-digital converter.

audio codec

Chinese equivalent: 音频编码解码器

audio forge

Chinese equivalent: 音频塑造

A combination of several audio backend processing techniques, including resample, downmix, automatic level control, equalizer and sonic. Users can enable or disable certain techniques as needed.

audio gate

Chinese equivalent: 音频网关

Spelled-out form of AG.

AG

Chinese equivalent: AG

Abbreviation for audio gate.

audio front end

Chinese equivalent: 声学前端

Spelled-out form of AFE.

audio passthru

Chinese equivalent: 音频透传

Also known as pipeline passthru. It is an audio technique that allows audio files to pass through a pipeline unaltered.

audio pipeline

Chinese equivalent: 音频管道

Often used as “pipeline”. It is a chain of audio processing elements arranged in a particular order so that the output of each element is the input of the next.

Audio Video Remote Control Profile

Chinese equivalent: 音视频远程控制规范

Spelled-out form of AVRCP.

AVRCP

Chinese equivalent: AVRCP

Abbreviation for Audio Video Remote Control Profile.

automatic gain control

Chinese equivalent: 自动增益控制

Spelled-out form of AGC.

AGC

Chinese equivalent: AGC

Abbreviation for automatic gain control.

automatic level control

Chinese equivalent: 自动电平控制

Spelled-out form of ALC.

ALC

Chinese equivalent: ALC

Abbreviation for automatic level control.

automatic speech recognition

Chinese equivalent: 自动语音识别

Spelled-out form of ASR.

aux cable

Chinese equivalent: aux 音频线

Also known as auxiliary cable.

ASR

Chinese equivalent: ASR

Abbreviation for automatic speech recognition.

bandwidth

Chinese equivalent: 带宽

Bass Frequency

Chinese equivalent: 低频

BCLK

Chinese equivalent: BCLK

Abbreviation for base clock.

BluFi

Chinese equivalent: BluFi

A Wi-Fi network configuration function via Bluetooth channel. See ESP-IDF Programming Guide for more information.

cavity

Chinese equivalent: 腔体

command word

Chinese equivalent: 命令词

core dump

Chinese equivalent: 核心转储

cutoff frequency

Chinese equivalent: 截止频率

decoder

Chinese equivalent: 解码器

digital media renderer

Chinese equivalent: 数字媒体渲染器

Spelled-out form of DMR.

digital signal processor

Chinese equivalent: 数字信号处理器

Spelled-out form of DSP.

DSP

Chinese equivalent: DSP

Abbreviation for digital signal processor or digital signal processing.

digital-to-analog converter

Chinese equivalent: 数字模拟转换器

Spelled-out form of DAC.

dispatcher

Chinese equivalent: 调度器

distortion

Chinese equivalent: 失真

DAC

Chinese equivalent: DAC

Abbreviation for digital-to-analog converter.

Digital Living Network Alliance

Chinese equivalent: 数字生活网络联盟

Spelled-out form of DLNA.

DLNA

Chinese equivalent: DLNA

Abbreviation for Digital Living Network Alliance.

DMR

Chinese equivalent: DMR

Abbreviation for digital media renderer.

downmix

Chinese equivalent: 向下混叠

An audio processing technique that mixes more audio streams to less output audio streams.

DuerOS

Chinese equivalent: DuerOS

DuerOS is a conversational AI system developed by Baidu.

echo

Chinese equivalent: 回声

A reflection of sound that arrives at the listener with a delay after the direct sound.

echo reference signal

Chinese equivalent: 回声参考信号

electret condenser microphone

Chinese equivalent: 驻极体麦克风

Spelled-out form of ECM.

ECM

Chinese equivalent: ECM

Abbreviation for electret condenser microphone.

element

Chinese equivalent: 元素

Also known as audio element. It is the basic building block for the application programmer developing with ADF. Every decoder, encoder, filter, input stream, or output stream is in fact an audio element.

encoder

Chinese equivalent: 编码器

equalizer

Chinese equivalent: 均衡器

ESP VoIP

Chinese equivalent: ESP VoIP

ESP VoIP is a telephone client based on the standard SIP protocol, which can be used in some P2P or audio conference scenarios.

fast Fourier transform

Chinese equivalent: 快速傅里叶变换

Spelled-out form of FFT.

FFT

Chinese equivalent: FFT

Abbreviation for fast Fourier transform.

FatFs

Chinese equivalent: FatFs

FatFs stream

Chinese equivalent: FatFs 流

FLAC

Chinese equivalent: FLAC

Abbreviation for Free Lossless Audio Codec, an audio coding format for lossless compression of digital audio.

flexible pipeline

Chinese equivalent: 灵活管道

FPS

Chinese equivalent: FPS

Abbreviation for frames per second.

frames per second

Chinese equivalent: 每秒传输帧数

Spelled-out form of FPS.

frequency response

Chinese equivalent: 频率响应

full band

Chinese equivalent: 全频带

Spelled-out form of FB.

FB

Chinese equivalent: FB

Abbreviation for full band.

Hands-Free

Chinese equivalent: 免提

Spelled-out form of HF.

HF

Chinese equivalent: HF

Abbreviation for Hands-Free.

Hands-Free Audio Gateway

Chinese equivalent: 免提音频网关

Spelled-out form of HFP-AG.

Hands-Free Profile

Chinese equivalent: 免提规范

Hands-Free Unit

Chinese equivalent: 免提组件

HFP

Chinese equivalent: HFP

Abbreviation for Hands-Free Profile.

hardware abstraction layer

Chinese equivalent: 硬件抽象层

Spelled-out form of HAL.

HAL

Chinese equivalent: HAL

Abbreviation for hardware abstraction layer.

headset

Chinese equivalent: 耳机

HFP-AG

Chinese equivalent: HFP-AG

Abbreviation for Hands-Free Audio Gateway.

Hi-Fi speaker

Chinese equivalent: 高保真音箱

Also known as high-fidelity speaker.

High Frequency

Chinese equivalent: 高频

high-fidelity microphone

Chinese equivalent: 高保真麦克风

HLS

Chinese equivalent: HLS

Abbreviation for HTTP Live Streaming.

HTTP stream

Chinese equivalent: HTTP 流

HTTP Live Streaming

Chinese equivalent: HTTP 直播流

Spelled-out form of HLS.

I2S stream

Chinese equivalent: I2S 流

insertion loss

Chinese equivalent: 插入损失

Internet radio

Chinese equivalent: 网络电台

Internet of Things

Chinese equivalent: 物联网

IoT

Chinese equivalent: IoT

Abbreviation for Internet of Things.

JPEG

Chinese equivalent: JPEG

A commonly used method of lossy compression for digital images. Same as JPG.

JPG

Chinese equivalent: JPG

A commonly used method of lossy compression for digital images. Same as JPEG.

Light and Versatile Graphics Library

Chinese equivalent: 轻量级多功能图形库

Spelled-out form of LVGL

low-pass filter

Chinese equivalent: 低通滤波器

LVGL

Chinese equivalent: LVGL

Abbreviation for Light and Versatile Graphics Library.

M3U8

Chinese equivalent: M3U8

The Unicode version of M3U is M3U8, which uses UTF-8-encoded characters.

M4A

Chinese equivalent: M4A

An audio encoding format for lossless compression of digital audio.

mass production

Chinese equivalent: 量产

maximum output power

Chinese equivalent: 最大输出功率

MCLK

Chinese equivalent: MCLK

Abbreviation for master clock.

mel-frequency cepstral coefficients

Chinese equivalent: 梅尔频率倒谱系数

Spelled-out form of MFCC.

MFCC

Chinese equivalent: MFCC

Abbreviation for mel-frequency cepstral coefficients.

microphone

Chinese equivalent: 麦克风

mic

Chinese equivalent: 麦克风

Informal form for microphone.

micro-electro-mechanical systems microphone

Chinese equivalent: 微型机型系统麦克风

Spelled-out form of MEMS mic.

MEMS mic

Chinese equivalent: MEMS 麦克风

Abbreviation for micro-electro-mechanical systems microphone.

microphone gain

Chinese equivalent: 麦克风增益

microphone hole

Chinese equivalent: 麦克孔

microSD card

Chinese equivalent: microSD 卡

MP3

Chinese equivalent: MP3

MP4

Chinese equivalent: MP4

MultiNet

Chinese equivalent: MultiNet

MultiNet is a lightweight model specially designed based on CRNN and CTC for the implementation of multi-command recognition.

multi-room

Chinese equivalent: 多房间

Multi-Room Music

Chinese equivalent: Multi-Room Music

ESP Multi-Room Music is a Wi-Fi-based communication protocol to share music across multiple interconnected speakers. Under this protocol, those connected speakers form a Group. They can play music synchronously and are controlled together, which can easily achieve a theater-grade stereo surround sound system.

narrowband

Chinese equivalent: 窄带

Spelled-out form of NB.

NB

Chinese equivalent: NB

Abbreviation for narrowband.

NimBLE

Chinese equivalent: NimBLE

An open-source Bluetooth Low Energy or Bluetooth Smart stack.

noise criteria curve

Chinese equivalent: 噪声标准曲线

Also known as NC curve.

noise rating curve

Chinese equivalent: 噪声评价曲线

Also known as NR curve.

noise floor

Chinese equivalent: 本底噪声

noise suppression

Chinese equivalent: 噪声抑制

Spelled-out form of NS.

NS

Chinese equivalent: NS

Abbreviation for noise suppression.

non-volatile storage

Chinese equivalent: 非易失性存储

Spelled-out form of NVS.

NVS

Chinese equivalent: NVS

Abbreviation for non-volatile storage.

OGG

Chinese equivalent: OGG

An audio compression format.

OPUS

Chinese equivalent: OPUS

A lossy audio coding format.

PCM

Chinese equivalent: PCM

Abbreviation for pulse-code modulation.

pixel

Chinese equivalent: 像素

playback

Chinese equivalent: 回放

It is a noun. The verb is “play back”.

programmable gain amplifier

Chinese equivalent: 可编程增益放大器

Spelled-out form of PGA.

PGA

Chinese equivalent: PGA

Abbreviation for programmable gain amplifier.

protractor

Chinese equivalent: 量角尺

pulse-code modulation

Chinese equivalent: 脉冲编码调制

Spelled-out form of PCM.

raw stream

Chinese equivalent: 原始流

resample

Chinese equivalent: 重采样

resample filter

Chinese equivalent: 重采样过滤器

resonant frequency

Chinese equivalent: 谐振频率

reverberation

Chinese equivalent: 混响

RGB

Chinese equivalent: RGB

The RGB color model is an additive color model in which the red, green, and blue primary colors of light are added together in various ways to reproduce a broad array of colors.

ring buffer

Chinese equivalent: 环形缓冲区

SBC

Chinese equivalent: SBC

Abbreviation for subband codec.

SD card

Chinese equivalent: SD 卡

Session Initiation Protocol

Chinese equivalent: 会话发起协议

Spelled-out form of SIP.

signal-to-echo ratio

Chinese equivalent: 信回比

signal-to-noise ratio

Chinese equivalent: 信噪比

Spelled-out form of SNR.

SIP

Chinese equivalent: SIP

Abbreviation for Session Initiation Protocol.

SNR

Chinese equivalent: SNR

Abbreviation for signal-to-noise ratio.

SmartConfig

Chinese equivalent: SmartConfig

The SmartConfig TM is a provisioning technology developed by TI to connect a new Wi-Fi device to a Wi-Fi network. It uses a mobile app to broadcast the network credentials from a smartphone, or a tablet, to an un-provisioned Wi-Fi device.

sonic

Chinese equivalent: 变声

An audio processing technique that modifies sound frequency and speed.

sound card

Chinese equivalent: 声卡

Also known as audio card.

sound level meter

Chinese equivalent: 分贝仪

Also known as sound pressure level meter.

sound pickup hole

Chinese equivalent: 拾音孔

sound pickup tube

Chinese equivalent: 拾音管道

sound transmission loss

Chinese equivalent: 传声损失

Spelled-out form of STL.

speech

Chinese equivalent: 语音

speech recognition

Chinese equivalent: 语音识别

Spelled-out form of SR.

SR

Chinese equivalent: SR

Abbreviation for speech recognition.

SPI Flash File System

Chinese equivalent: SPI 闪存文件系统

Spelled-out form of SPIFFS.

SPIFFS

Chinese equivalent: SPIFFS

Abbreviation for SPI Flash File System.

SPIFFS stream

Chinese equivalent: SPIFFS 流

subband codec

Chinese equivalent: 次频带编码

Spelled-out form of SBC.

STL

Chinese equivalent: STL

Abbreviation for sound transmission loss.

super wide band

Chinese equivalent: 超宽频带

Spelled-out form of SWB.

SWB

Chinese equivalent: SWB

Abbreviation for super wide band.

tape measure

Chinese equivalent: 卷尺

text-to-speech

Chinese equivalent: 语音合成

Spelled-out form of TTS.

TTS

Chinese equivalent: TTS

Abbreviation for text-to-speech.

tolerance

Chinese equivalent: 公差

tone

Chinese equivalent: 提示音

total harmonic distortion

Chinese equivalent: 总谐波失真

Spelled-out form of THD.

THD

Chinese equivalent: THD

Abbreviation for total harmonic distortion.

voice activity detection

Chinese equivalent: 语音活动检测

Spelled-out form of VAD.

VAD

Chinese equivalent: VAD

Abbreviation for voice activity detection.

VoIP

Chinese equivalent: VoIP

Abbreviation for Voice over Internet Protocol.

wake word

Chinese equivalent: 唤醒词

wake word engine

Chinese equivalent: 唤醒词引擎

Spelled-out form of WWE.

WakeNet

Chinese equivalent: WakeNet

WakeNet is a wake word engine built upon neural network for low-power embedded MCUs.

wake-up

Chinese equivalent: 唤醒

It is a noun.

wideband

Chinese equivalent: 宽带

Spelled-out form of WB.

WB

Chinese equivalent: WB

Abbreviation for wideband.

WWE

Chinese equivalent: WWE

Abbreviation for wake word engine.

YUV

Chinese equivalent: YUV

A color model typically used as part of a color image pipeline.