影视录音常用设备.ppt
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1、影视录音常用设备,Sound system,What we need?,ProductionMicrophoneMixerRecorderPostproductionDAWPost recording systemSound mixing system,Production sound systems,microphone cameramicrophone mixer cameramicrophone mixer recordermicrophone pre amplifier mixer recorder,Equipments,MicrophonesWireless SystemsBoomp
2、olesMixersRecordersCommunicationPlayback SystemsPower SolutionsWalkie TalkiesSound ControlAccessories,Microphones,ShotgunsLavaliersStereosSurrounds,Microphones _shotguns,ShotgunsSennheiser MKH 416 Short Shotgun MicSennheiser MKH 60 Super-cardioid Condenser ShotgunSennheiser MKH 70 Long ShotgunSennhe
3、iser ME 66 Super Cardioid CondenserSchoeps CMIT5U Super Cardioid Shotgun MicSanken CS-1 Short Shotgun MicSanken CS3e Super-cardioid Condenser ShotgunNeumann KMR 81 ShotgunNeumann KMR 82i Long Shotgun,How to choose shotguns?,Frequency responseLow cutHigh frequency boostOut-of-axis frequency response
4、Directional patternCardioidSuper-cardioidEffective pick-up angle(3dB sensitivity decreasing)cardioid 1300,super-cardioid 300-400Sensitivity Dynamic range,Sennheiser MKH 416,Power Supply:P or T,Sennheiser MKH 60,Sennheiser MKH 70,Sennheiser MKH 416 vs.60 vs.70,Sanken CS-1,Short shotgunVery sharp dire
5、ctivity in a 181.5mm length bodyFlat frequency response beyond 20kHz(on axis)High sensitivity-30dB/PaAccepts high SPLs.More than 137dB SPL(1%THD).With no distortion in close miking.Narrow angle directivity over the entire frequency range.Overrall rear rejection.22dB/20kHz.18dB/10kHz.27dB/1kHz.27dB/2
6、00Hz.Light weight.Only 100g.Easy to operate on a boom pole.,Schoeps CMIT 5 U,Low coloration of off-axis soundEven greater immunity to wind noise than a SCHOEPS super-cardioidDirectionality increases smoothly with higher frequencies,which results in a very balanced sonic characterCapsule and amplifie
7、r are built as a single unit,Schoeps CMIT 5 U _more,The sound quality of the CMIT 5 remains consistent even if the microphone is rotated on its axis,since its directional pattern is the same in both the vertical and horizontal planes.,Schoeps CMIT 5 U _more,Three pushbutton-activated filters allow t
8、he microphone to adapt to the recording situationHigh-frequency emphasis(+5 dB at 10 kHz)enhances speech intelligibility,and compensates for high-frequency loss caused by windscreens;A steep low-cut filter(18 dB/oct.below 80 Hz)suppresses wind and boom noise;A gentle low-frequency rolloff(6 dB/oct.b
9、elow 300 Hz)compensates for proximity effect.,Microphones _supercardioid,Schoeps MK41Schoeps CCM41,Schoeps MK41 and CMC 6,Supercardioid with highly consistent directionality throughout its frequency range.High directivity,comparable to that of a short“shotgun“microphone up through midrange frequenci
10、es.off axis attenuating even more than with a cardioiddirectivity is highly independent of frequency,even sounds arriving off axis and reverberant sound are registered without colorationThe pickup is“drier”and less susceptible to acoustic feedback than any other SCHOEPS capsule typeEven distant plac
11、ement of the capsule produces a very natural sound pickup.This is a real advantage over interference-tube“shotgun”microphones,whose directivity is very frequency-dependent exceeding that of a supercardioid only at higher frequencies.Interference-tube microphones are notoriously sensitive to their po
12、sition in a room,where the shifting patterns of reflections cause corresponding shifts in sound color.Good to use in room.,Schoeps CCM41,Similar to MK41Compact mic,Schoeps vs.416,Schoeps话筒比416话筒更敏感,手持噪声和移动话筒的噪声都容易串入,用于同期录音时一般在前级加高通/低切滤波器。该配件需单独购买。,Microphones _lavaliers,LavaliersCountryman B6/B3 Min
13、iature Omnidirectional LavCountryman EMWLectrosonics M150 Omnidirectional LavSanken COS-11 Omnidirectional LavSennheiser ME 2 LavSennheiser MKE-1/2 Omnidirectional LavTRAM TR-50 Omnidirectional LavSony 77B/ECM-88,How to choose lavalier?,Nice soundingOmni-cardioidLess positioning problems(people movi
14、ng their head all the time)Less sensitive to wind and popingGood matching to boom micDynamic range(low distortion at high SPL)RF interference resistancePower supply(from AA battery or 48V phantom power on mixer or recorder)Easy to hide,Countryman B6,Smallest lavalier in the worldonly one tenth of an
15、 inch(0.1 inch,2.5mm)in diameterEasily hidden in hair/costumes or glued on performers faces in film,theater and broadcastChangeable protective capsMoisture resistanceColor options(6 colors)Shape the frequency response for different situations or to match other microphonesLow distortion at SPL up to
16、150dB on 48V phantom powerLow handling noiseExcellent rejection of surrounding noiseHigh quality audio,Countryman B6 kits,B6 lavalier microphoneKevlar cableCapsWindscreenTie clipsCarrying case,Countryman B3,Similar to B6,but cheaper0.2 inch in diameterMoisture and perspiration resistant when used in
17、 hair,on the body and in bad weather,Countryman EMW,Omni-directionalVery low rubbing noiseHighly moisture resistanceAllows use near water or in intense weather,Sanken COS-11D,Overcomes digital transmitter RFI(radio frequency interference)Water resistantImproved moisture resistanceOriginal vertical d
18、iaphragm designOptimized for human voice,Sennheiser MKE 2-ew Gold,Omni-directionalMax SPL 142dB,Sennheiser ME2 Lav,Use with evolution wireless SK bodypack transmitters,TRAM TR-50,Miniature Omni-directional Electret Condenser Microphone Minimum sound coloration for universal use Easily combined with
19、boom microphones Tiny,lightweight and compact;easily concealed Extensive range of mounting accessories Wide frequency response Very low rubbing noise Internal battery or 12-48V phantom power*(*with positive bias version only)Detachable 250 Q power supply Available in 4 colors:black,gray,white,tan La
20、rge range of connectors for direct use on a wireless transmitter Strong,durable and reliable,Microphones _stereo,StereoSanken CSS5 shotgun stereo micSanken CMS-10Schoeps CMIT M/S setSchoeps CCM 8&CCM 4/41 M/S setNeumann RSM 191 M/S setSennheiser MKH 418S shotgun M/S micSennheiser MKH 30/60 M/S set,S
21、anken CSS-5,First stereo shotgun3 mode switchable MONO(shotgun)Normal STEREO(1200)Wide STEREO(1400)Superb rear rejection at 180 degrees even in low frequenciesMONO-STEREO compatibility.Mono and phantom center have the same sound characteristics,Sanken CSS-5,MONO modesharp directivity is maintained o
22、ver a wide frequency range for the aimed frontal sound sources,using the combination of a second gradient microphone and a line microphone.It is significant that the CSS-5 picks up the chosen sound source very clearly even in a noisy ambient situation or in a long reverberation space.Normal modepick
23、s up the targeted sound as well as extremely accurate stereo localization.STEREO angle is 120.Wide modedesigned for stereo recording of sound effects and environmental information where dialogue will be dubbed in at a later date.This mode allows a wider 1400 stereo width.Mono-Stereo CompatibilityIn
24、stereo recordings,the frequency response of the MONO summed output often exhibits interference,or comb filtering.This phenomenon is caused by phase differences between the Left and Right signals.This does not occur in single point recording.,Sanken CMS-10,Switchable mode Very sharp mono-shortgunSter
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