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.