Does anyone know what brand of voice recorders has good sound quality and long standby time

At present, there are many brands of voice recorders on the market, and many digital audio-visual brands have launched their own voice recorder products, in view of this, consumers are reminded that the performance and effect of voice recorders should refer to the following factors: 1Coding schemes.

Some professional voice recorders, such as Samsung, Sony, Huasuo, etc., use the encoding scheme of a professional noise reduction recording chip, rather than the encoding scheme 2Signal-to-noise ratio. Professional voice recorders will indicate their recording signal-to-noise ratio, such as Sony is "= 95, Sanyo is "= 90, Samsung is "" = 85, Huasuo is "" = 90, Patriot is "" = 80, (unit:

dB DB), and some brands will also mark the signal-to-noise ratio, but it is the first-class audio decoding signal-to-noise ratio, that is to say, the professional voice recorder is to reduce noise during recording, not professional only in the recording of the file ** noise reduction processing, the two are completely different.

1 Sony (1946 Japan, leading brand) 2 Samsung (1969 Korea, leading brand) 3 Aigo (well-known trademark in China, national inspection-free product) 4 Jinghua Jingwah (well-known brand, Shenzhen Jinghua number.

I think it's better to be a patriot?

Good brands of voice recorders are: Sony, Jinghua, Patriot, Samsung, Philips, etc.

1. Sony

Sony is a world giant spanning the fields of electronic 3C, gaming, finance and entertainment, and has the world's leading brand influence. Sony was founded in May 1946 by Dai Ibuka, who has a background in technology research and development, and Akio Morita, who is good at public relations and marketing.

2. Jinghua

Founded in February 2000, Shenzhen Jinghua Digital Technology Co., Ltd. is a high-tech enterprise engaged in the research, development and production and operation of high-tech products.

3. Patriots

AIGOSTAR Digital Technology Co., Ltd. was established in 1993 and has more than 1,900 employees. In addition to the Beijing headquarters, it has 14 platform institutions and a number of domestic branches, subsidiaries and R&D centers across the country, and has established 4 overseas branches in Singapore, Hong Kong, Colombia and the United States, forming a group-type IT enterprise with AIGOSTAR as the main body and R&D and brand promotion as the core.

4. Samsung

Samsung Group is the largest company in South Korea and a large multinational conglomerate, a subsidiary of Sumitomo Mitsui (Mitsui Foundation). Samsung Group includes many international subsidiaries, including Samsung Electronics, Samsung C&T, Samsung Airlines, Samsung Life Insurance, etc., and its business involves electronics, finance, machinery, chemistry and many other fields.

5. Philips

Philips Electronics is one of the largest electronics companies in the world, ranking first in Europe. Since its establishment 100 years ago, it has been determined to innovate, contributing many inventions to the world, such as audio cassette, CD, rewritable ***, 100 Hz color TV, etc., and is a world leader in the field of color TV, lighting, electric shavers, medical diagnostic imaging and patient monitors, and single-chip TV products.

Written in front: The performance of the voice recorder depends on: noise reduction, which recording mode (LP, HP, SHP, PCM) is the best way to buy a voice recorder with research and development capabilities, it is too cheap, and small factories are generally public models.

The following voice recorders are built-in lithium batteries: can be satisfied, meeting, listening to lectures, 1: Jinghua 898-8G: with noise reduction function, ** at about 200, does not support expansion, battery life of about 10 hours, can record 2160 hours! Jinghua brand is very professional in the voice recorder.

2: Philips VTR5000, Philips independent audio solution, ** around 360, does not support expansion, battery life of about 10 hours, can record for 1082 hours!

3: Sony TX50, ultra-thin, PCM linear recording, ** around 1000 yuan, support expansion, battery life 24 hours, can record 178 hours and 5 minutes.

Patriot voice recorder R5589, intelligent dual power supply patented technology, design ideas ** in the Shenzhou spacecraft dual-channel power supply system, at the same time there are dry battery and lithium battery two power supply methods, the default lithium battery power supply, when the lithium battery power is low, automatically switch to dry battery power supply, which ensures environmental protection, and solves the embarrassment of forgetting to charge the temporary recording, saving money and worry, killing two birds with one stone. Moreover, the recording performance is stable and reliable, which effectively guarantees the normal operation in various complex environments, and the continuous trouble-free working time is more than ten times that of ordinary voice recorders. It also provides a new way of economic and environmentally friendly office for the industry, making the intelligent dual power supply system a new standard for purchasing voice recorders.