Astell & Kern AK300 - 64GB Portable Audio Hi Res Digital Audio Player
Description
AK300 - 64GB Portable Audio Hi Res Digital Audio Player (DAP) - Midnight Black While succeeding the state-of-the-art DAC and scalability as applied to the AK380 and AK320 the latest model has improved accessibility by being priced at a reasonable level. 24bit 192kHz bit to bit Playback AK300 is capable of bit-to-bit playback up to 24bit 192kHz. 32bit audio is downsampled using a sample-rate converter (SRC). In addition DSD 64/128 can be played back via conversion to PCM. * 32bit 384kHz is downsampled to 24bit 192kHz and 32bit 352kHz is downsampled to 24bit 176kHz for playback. * DSD 64/128 is converted via DSD-to-PCM to PCM 24bit 176kHz for playback. PEQ (Parametric EQ) A parametric equalizer (PEQ*1) was implemented in the AK380 to deliver detailed adjustment of the original sound and an audio digital signal processor (DSP) was added to aid in this process. This frees up CPU cycles previously needed for calculating graphic equalizers (GEQ) allowing more detailed and accurate calculations via the dedicated DSP. The audio DSP expands the existing 10-band +/-0.5 dB graphic equalizer (GEQ*2) to 20-band +/-0.01 dB to more precisely adjust the frequency and gain (dB) as well as more accurately specifying the frequency range via Q value adjustments. The AK300s PEQ Playback Using Audio DSP What is Parametric Equalization (PEQ*1)? Parametric equalization refers to the ability to increase or decrease the volume within the Q value range. A Q value is a frequency range relative to a selected frequency. The frequency range decreases when the Q value increases and vice versa. What is Graphic Equalization (GEQ*2)? Graphic equalization divides the audible frequency register into several registers and increases or decreases the level of each register with a volume slider to adjust the respective frequencys characteristics. The switches of the volume slider are connected like a ...
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