Tài liệu 40 MPEG Digital Audio Coding Standards pdf

... LLC MPEGDigitalAudioCoding Standards PeterNoll TechnicalUniversityofBerlin 40. 1Introduction 40. 2KeyTechnologiesinAudioCoding AuditoryMaskingandPerceptualCoding • FrequencyDomain Coding • WindowSwitching • DynamicBitAllocation 40. 3MPEG- 1/AudioCoding TheBasics • LayersIandII • LayerIII • FrameandMultiplex Structure • SubjectiveQuality 40. 4MPEG- 2/AudioMultichannelCoding MPEG- 2/Au...

Ngày tải lên: 22/01/2014, 12:20

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Ngày tải lên: 22/12/2013, 21:18

... dB SPL for 400 -Hz tone). Three curves are shown, for 400 -Hz maskers at 40, 60, and 80 dB SPL. Masking is greatest for probe frequencies slightly above or below the masker frequency of 400 Hz. Maximumprobe-to-masker ... dB SPL masker, and −14 dB for a 40 dB SPL masker. Masking decreases as probe frequency gets closer to 400 Hz. The probe frequencies closest to 400 Hz are 397 and 40...

Ngày tải lên: 22/01/2014, 12:20

... clari cation. (See grade 2 Language standards 1 and 3 on page 12 for speci c expectations.) 11 03.10.12 SPEAKING AND LISTENING STANDARDS K-5 The following standards for K–5 o er a focus for ... task and situation. (See grade 5 Language standards 1 and 3 on page 14 for speci c expectations.) 03.10.12 12 LANGUAGE STANDARDS K-5 The following standards for grades K–5 o er a f...

Ngày tải lên: 24/02/2014, 18:20

... industries. The audio technology used in the ATSC digital audio compression standard [1] is Dolby AC-3. Dolby AC-3 is an audio compression technology capable of encoding a range of audio channel formats ... as defined previously. For each of 50 c  1999 by CRC Press LLC Davidson, G.A. Digital Audio Coding: Dolby AC-3” Digital Signal Processing Handbook Ed. Vijay K. Madisetti an...

Ngày tải lên: 22/01/2014, 12:20

... 40 điều nên làm Nguồn: Sưu tầm Người gửi: Lê Thị Phương Mai (trang riêng) Ngày gửi: 11h:56'

Ngày tải lên: 29/11/2013, 21:11

... Winter 2000 Lecture-22 Digital Transmission Digital Pulse modulation: Pulse Code Modulation is the most basic form of Digital Pulse Modulation. Different form of digital pulse modulation ... It is an operation that is basic to digital signal processing and digital communication. • Through the use of sampling, an analog signal is converted to its digital form. • To obtain e...

Ngày tải lên: 09/12/2013, 16:15

... connector POWER 8 Vac power at 47-60 Hz (for PMS-6 1400 1 and PMS-6 1400 7 only) Description Assemblies Patching with LEDs and test module PMS-6 1400 1 - 16 LED PMM-6 1400 1 patch modules - one non-LED PMM-636003 ... EIA-530 Digital Patching Control Platform www.adc.com • +1-952-938-8080 • 1-800-366-3891 The PatchMate digital control platform provides a convenient, organized, and secure...

Ngày tải lên: 10/12/2013, 17:15