CN202586939U - 音频通信***、音频发射机和音频接收机 - Google Patents
音频通信***、音频发射机和音频接收机 Download PDFInfo
- Publication number
- CN202586939U CN202586939U CN201220149419XU CN201220149419U CN202586939U CN 202586939 U CN202586939 U CN 202586939U CN 201220149419X U CN201220149419X U CN 201220149419XU CN 201220149419 U CN201220149419 U CN 201220149419U CN 202586939 U CN202586939 U CN 202586939U
- Authority
- CN
- China
- Prior art keywords
- digital
- audio
- video signals
- compressor
- analog
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000004891 communication Methods 0.000 title claims abstract description 30
- 230000005236 sound signal Effects 0.000 claims abstract description 44
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 238000005516 engineering process Methods 0.000 claims description 9
- 239000003638 chemical reducing agent Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 238000004088 simulation Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers
- H03G7/002—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers
- H03G7/007—Volume compression or expansion in amplifiers of digital or coded signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/07—Applications of wireless loudspeakers or wireless microphones
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
Description
Claims (8)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201220149419XU CN202586939U (zh) | 2012-04-10 | 2012-04-10 | 音频通信***、音频发射机和音频接收机 |
US13/526,018 US20130268278A1 (en) | 2012-04-10 | 2012-06-18 | Audio Communication System, An Audio Transmitter and An Audio Receiver |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201220149419XU CN202586939U (zh) | 2012-04-10 | 2012-04-10 | 音频通信***、音频发射机和音频接收机 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202586939U true CN202586939U (zh) | 2012-12-05 |
Family
ID=47256297
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201220149419XU Expired - Lifetime CN202586939U (zh) | 2012-04-10 | 2012-04-10 | 音频通信***、音频发射机和音频接收机 |
Country Status (2)
Country | Link |
---|---|
US (1) | US20130268278A1 (zh) |
CN (1) | CN202586939U (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9204220B2 (en) * | 2013-03-11 | 2015-12-01 | Favepc Inc. | RFID transceiver for remote control |
US9202367B2 (en) * | 2013-03-11 | 2015-12-01 | Favepc Inc. | Low power transmitter for remote control |
GB201406574D0 (en) * | 2014-04-11 | 2014-05-28 | Microsoft Corp | Audio Signal Processing |
US9584911B2 (en) * | 2015-03-27 | 2017-02-28 | Cirrus Logic, Inc. | Multichip dynamic range enhancement (DRE) audio processing methods and apparatuses |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5758274A (en) * | 1996-03-13 | 1998-05-26 | Symbol Technologies, Inc. | Radio frequency receiver with automatic gain control |
US5815532A (en) * | 1996-05-01 | 1998-09-29 | Glenayre Electronics, Inc. | Method and apparatus for peak-to-average ratio control in an amplitude modulation paging transmitter |
US5892834A (en) * | 1997-06-30 | 1999-04-06 | Ford Motor Company | Audio level dynamic range compression |
US6278750B1 (en) * | 1997-08-30 | 2001-08-21 | Winbond Electronics Corp. | Fully integrated architecture for improved sigma-delta modulator with automatic gain controller |
US6937274B2 (en) * | 2001-12-17 | 2005-08-30 | Motorola, Inc. | Dynamic range compression of output channel data of an image sensor |
DE102007011436B4 (de) * | 2007-03-08 | 2011-02-17 | Burmester Audiosysteme Gmbh | Vorrichtung und Verfahren zum Formen eines digitalen Audiosignals |
US7742746B2 (en) * | 2007-04-30 | 2010-06-22 | Qualcomm Incorporated | Automatic volume and dynamic range adjustment for mobile audio devices |
US9425747B2 (en) * | 2008-03-03 | 2016-08-23 | Qualcomm Incorporated | System and method of reducing power consumption for audio playback |
US8578775B2 (en) * | 2010-02-08 | 2013-11-12 | Freescale Semiconductor, Inc. | Generation, injection and use of pilot tones for gyro system characterization |
US8983092B2 (en) * | 2010-07-15 | 2015-03-17 | Conexant Systems, Inc. | Waveform shaping system to prevent electrical and mechanical saturation in loud speakers |
-
2012
- 2012-04-10 CN CN201220149419XU patent/CN202586939U/zh not_active Expired - Lifetime
- 2012-06-18 US US13/526,018 patent/US20130268278A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US20130268278A1 (en) | 2013-10-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102361506A (zh) | 无线音频通信***、以及用于发射音频信号的方法和设备 | |
CN202095090U (zh) | 用于发射音频信号的设备、用于接收音频信号的设备、无线音频通信*** | |
CN202586939U (zh) | 音频通信***、音频发射机和音频接收机 | |
MX2009005824A (es) | Metodo y aparato para recibir señales de radiofrecuencia. | |
WO2005002066A3 (en) | Through-the-earth radio | |
EP0462782A3 (en) | Receiver for a cellular mobile radio communication system | |
CN216649687U (zh) | 一种用于无线音频传输的片上*** | |
US5903825A (en) | Digital FM receiver back end | |
EP1217732B1 (en) | A wireless microphone having a split-band audio companding system that provides improved noise reduction and sound quality | |
TW200501601A (en) | AM receiver and demodulator | |
AU2002361428A1 (en) | Wireless receiver without agc | |
CN212231431U (zh) | 一种音频远程传输*** | |
CN203563068U (zh) | 红外光无线语音通信装置 | |
CN109150211B (zh) | 一种宽频发射装置 | |
CN216721530U (zh) | 音频接收机及设备 | |
US6038429A (en) | Citizen's band radio with improved reception | |
CN203015067U (zh) | 音频发射芯片、音频接收芯片、便携设备、无线通信***和无线麦克风*** | |
CN205017312U (zh) | 七管超外差式调幅收音机 | |
JPH05191188A (ja) | 信号処理回路 | |
CN202713290U (zh) | 音频传输芯片、具有音频传输芯片的便携设备 | |
JPH10150692A (ja) | ディジタル型ワイアレスマイクロフォン装置および送信機、受信機 | |
KR20090059878A (ko) | 복합 튜너 모듈 | |
CN2375043Y (zh) | 电视伴音信号无线发射器 | |
CN202586937U (zh) | 集成音频发射机和便携设备、集成音频接收机和便携设备、音频通信*** | |
CN105101006A (zh) | 无线话筒及无线卡拉ok控制*** |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: BEIJING KUNTENG MICRO-ELECTRONICS INC. Free format text: FORMER NAME: KT MICRO, INC. Owner name: KUNTENG MICROELECTRONIC CO., LTD. Free format text: FORMER NAME: BEIJING KUNTENG MICRO-ELECTRONICS INC. |
|
CP01 | Change in the name or title of a patent holder |
Address after: 100195 Beijing, Yuquan, No. 23 Haidian District Road, building No. 4 Patentee after: KT MICRO, Inc. Address before: 100195 Beijing, Yuquan, No. 23 Haidian District Road, building No. 4 Patentee before: Beijing Kunteng electronic Limited by Share Ltd. |
|
CP03 | Change of name, title or address |
Address after: 100195 Beijing, Yuquan, No. 23 Haidian District Road, building No. 4 Patentee after: Beijing Kunteng electronic Limited by Share Ltd. Address before: 100097 Beijing city Haidian District landianchang Road No. 2 Jin Yuan Business Center Building 2, block B, 8 A, B Patentee before: KT MICRO Inc. (BEIJING) |
|
CX01 | Expiry of patent term |
Granted publication date: 20121205 |
|
CX01 | Expiry of patent term |