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Background Noise For Recording Presentation

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Unwanted noise when recording

Transcript: Shielding and no ground loops in my Bass: Imperceptible Electric noise Each piece of electronic device does make some kind of electrical noise, so: Use the few possible pieces of gear. Use short cables: The longer the cable, the more noise the cable will pick. Use balanced cables (XLR or TRS). Switch off electric power sistems: Dimmers, fluorescent lamps. Use devices with ground electric. High quality gear: good electronic design, EMI shielded instruments... Gain stages: When you amplify the signal you amplify the noise too. So boost level electrically as little as possible. Try to move mic closer to the source instead of increasing gain. Mic placement and type: Use directional mics to isolate the source from a noisy environment. Use high sample rate and high bit depth. Usually we do not like listening to music with noise. If there is much noise, (bad SNR) the signal (relevant information) is lost or misunderstood. Background noise affects the dynamic range: The higher the background noise the lower the dynamic range. Processing noisy tracks consumes more CPU resources: The Plugin processes useless information. Mixing noisy tracks adds noise each other, causing more noise than we had. Noise can be classified according to their origin: Acoustic noise: Sound pressure variations present in the room ambiance. Enters the system through the microphones. Electrical Noise: EMI(*) picked by some components of the gear: cables, bad EMI isolated gear, pickups of the guitar... Inherent noise generated in all semiconductor devices. Thank You! (*) EMI=ElectroMagnetic Interference:The source may be any object, artificial or natural, that carries rapidly changing electrical currents, such as an electrical circuit, cell phones, dimmers, Radio Stations, the Sun or the Northern Lights. What is noise? .... Improve Signal/Noise Ratio: Fermín Laguna Zaragoza, Spain Introduction to Music Production Week 4 Create an isolated space for recording. Identify the sources of noise: Listen carefully to the "silence" or "room tone. Turn off all nearby noise sources to the recording room like A/C, fans, TV... If you can´t turn off, move away from noisy sources. ¿HOW REDUCE NOISE WHEN RECORDING? Noise: Unwanted random and unpredictible waveforms. Reducing electrical noise: Click on the image to see the video: Unwanted noise when recording ¿Why we don´t want noise?: Main types of Noise: Reducing Acoustic Noise: The complete silence does not exist: There is always noise, and the goal is to reduce the noise to a minimum. 62 ECG bpm

The Background Noise

Transcript: Churchill uses the bulldog as propaganda to represent the relentlessness of holding the British line during war. From the Disney propaganda short film "Der Fuehrer's Face" representing Donald Duck making fun of Hitler's claims as a leader, portraying him as the enemy. National security intensified during the war, referencing this piece of propaganda that someone is always watching and monitoring you. During World War II, the television broadcasts ceased, but radio kept the nation well informed of the events of the war while providing drama, music, commentary, and children's programs that brought hope to a nation under siege. The Background Noise World War II : Natalie Bergman and Allison Peto Propaganda Additionally, messages of women working during the war were trageted at the home front. Propaganda also was utilized because it could be the winning or losing factor in a war. It could motivate soldiers, instil hatred for the enemies, and keep support on the home front. Radio broadcasting, music and propaganda played a major role in World War II. The ability to access information more efficiently helped nations under siege and at war. "Lili Marleen" How were radio programs made appealing? Music Radio Hitler saw the condemnation of American jazz as part of a larger plan to liberate Germany from the "deadly embrace" of "Jewish cultural Bolshevism." As a result, "popular" music in Germany consisted largely of official patriotic songs associated with the Reich, folk songs, and some ballads. Strangely enough, one of these ballads had the unusual distinction of being popular on virtually every front in Europe. "Lili Marlene," written by German soldier Hans Leip in 1915, was as popular with Allied troops as it was with the Germans. The range of popular songs was enormous. There were patriotic songs, designed to inspire support for the war effort as well as for the realities of day-to-day life during the war ("Cowards over Pearl Harbor," "America Calling," and "There'll Always Be an England").There were songs directly related to military service, some with specific references to the commanding officers ("Keep Your Powder Dry," and "Here's to You, MacArthur"). Sentimental songs of love and separation were particularly popular ("We'll Meet Again," "White Cliffs of Dover," "In the Mood"). Many shows that aired at the home front during the war incorporated a character from battle who had either returned home due to extensive injuries or highlighted the family of a fallen soldier. Radio What genres of music were popular? A radio broadcasting of "The Liberty" recorded on NBC. Propaganda programs were made appealing because of a revolutionary aspect of new technological advances. Radio propaganda became an influencial tool because it ignored national boarders and made enemy lines closer. It made information accessible and easy to learn about everything going on during the war. Radios gave out official messages, ranging from the urgings to plant victory gardens to reminders of the importance of keeping secrets and not spreading rumors. Likewise, radio shows incorporated war themes into their scripts. It became popular for characters in virtually every genre to discuss the importance of volunteering to help the cause in whatever way possible. Music Radio reached its apex during the 1940s, when Americans relied on it for their entertainment as well as their information about World War II. Radio was used to transmit propaganda not only to the other side, but their own population as well. Its advertising structure was typically single advertisers sponsoring whole shows. Propaganda A beloved song by both the Allied troops and the Germans. Messages Targeted at the Home Front For Americans dealing with World War II, music in all its forms served as a salve, a comfort, and a distraction. Big bands played the biggest part, but jazz and country were starting to have a larger impact. "We Did It Before and We Can do it Again" (by Charles Tobias and Cliff Friend) was the first original American World War II song, whose morale-lifting title reflects the previous Allied victory in World War I. Another song, written just after the attack on Pearl Harbor, was "Remember Pearl Harbor" (by Don Reid and Sammy Kaye), which became a hit when it was recorded a few months later by Sammy Kaye's orchestra. Radio was a popular mass medium for fast distribution of news. Two types of propaganda were played over the radio. There was white propaganda, meaning Nazi affairs were always secretive. The other type of propaganda was black propaganda. It was a world of gloomy transmitters and intricate deceptions. Many people tuned into the propaganda programs because it usually put their country in a higher light, while it would poke fun and shame their enemy countries.

Background Noise

Transcript: Popular Music on Both Sides Messages in Propaganda Though the Allies and Axis typically listened to different styles of music, one particular number become popular with both sides. “Lili Marlene”, a ballet originally written by Hans Leip, a German soldier, and Norbert Schultze, became well known on all fronts of the war. An English and French version were created in 1943. Famous Propaganda Stations The Berlin Olympics, opening ceremony. On the opposite side, a different type of propaganda was used by the British, known as “black propaganda”. The most prominent use of black propaganda was by Gustav Siegfried Eins, or Sefton Delmer. Delmer pretended to be a high ranking Nazi officer and a Hitler supporter in order to gain popularity. He went by the name “Der Chef” on air, and used his popularity to form the illusion of corruption within the Nazi leadership. He even faked his own assassination on air and created more stations. These included Soldatensender Calais, which broadcasted to German soldiers stationed in France, and Atlantiksender, which spread misinformation to German U-Boats. Works Cited Background Noise In the 1940s, radio became popular, especially in the United States. Americans relied on it for entertainment and World War II updates. Millions of people would tune it to radio shows at one time. Single advertisers sponsored whole shows on various topics, such as propaganda, mystery, westerns, soap operas, dramas, comedies, and more. The Lone Ranger was a popular show that aired for twenty-two years. The Jack Benny Program was another popular broadcast that aired for twenty-six years. Both of these shows switched from radio to television shows in the 1950s. Some of the biggest names on the radio during World War II were The Marx Brothers, Burns and Allen, Jack Benny, and Fred Allen. Types of Propaganda Hollywood stars did not go on the radio much at first because they thought people would not go to as many movies if they could hear the stars on the radio. There were shows about Hollywood gossip, like Louella Parsons and Walter Winchell, so people got their information from the gossip channels. Eventually, stars realized that if people heard movie previews, interviews, and reviews they would be more interested in going to see the movies. Millions for Defense and Treasury Star Parade were radio programs based totally on selling government war bonds. Popular Radio Programs Near the beginning of the war, in America, Jazz was reaching its peak. It had become so popular in Allied countries, that Germany banned the style with censorship laws. Germans turned to ballets, folk music, and patriotic songs, in hopes of helping the war efforts. As the end of the war drew closer, the popularity of large band music began to fade, as a style derived from Jazz rose known as “bebop”, while Blues began forming early stages of rock and roll. Different tactics were used in radio programs to get support for the war. Often times, Hollywood stars and famous athletes would promote war bonds through music and interviews. Meanwhile, anyone who ran a radio station would use positive propaganda to promote their country and military, or negative propaganda, to mock their enemies Another type of propaganda was known as "Black Propaganda". It was mainly used in World War II, where someone would broadcast in an enemy country, disguised as a supporter of that government. The goal was to create a negative image of the leaders or military. Radio propaganda was extremely influential during World War II, and a few stations stood out. On the Axis side, the station called Radio Tokyo became very well known. It was run by a group of women, all known by one name: Tokyo Rose. The most popular member was Iva Toguri, an American born woman who was stranded in Japan when the war started. Toguri had been visiting relatives in Japan, and was unable to travel back to her home when the US entered the war. She took up a job at Radio Tokyo, running “Zero Hour”, in which she mocked American soldiers. When the war was over, Toguri was accused of treason, but pardoned because no proof was supplied that she was revealing military secrets. Radio programs reminded people regularly to keep secrets of war and avoid discussing military tactics. They were also encouraged to grow their own food so that the government's food could be sent to the troops. Radio programs used negative propaganda to portray the enemy as evil. They also tried to persuade soldiers into enlisting. Addis, Cameron. "Berlin Olympics: World War II." World at War: Understanding Conflict and Society. ABC-CLIO, 2014. Web. 29 Mar. 2014. "The Andrews Sisters." Pop Culture Universe: Icons, Idols, Ideas. ABC-CLIO, 2014. Web. 29 Mar. 2014. Batchelor, Bob. "Radio in the 1940s." Pop Culture Universe: Icons, Idols, Ideas. ABC-CLIO, 2014. Web. 29 Mar. 2014. "Berlin Olympics: opening ceremony." Image. The Illustrated London News Picture Library. World at War: Understanding Conflict and Society.

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